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Creating 3.4.2-final from release_34 branch.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/tags/RELEASE_34@211217 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Tom Stellard 2014-06-18 20:57:27 +00:00
parent 622ed6db16
commit a4679572e7
4863 changed files with 506802 additions and 0 deletions
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4
dot2-final/.arcconfig Normal file
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{
"project_id" : "libcxx",
"conduit_uri" : "http://llvm-reviews.chandlerc.com/"
}

283
dot2-final/CMakeLists.txt Normal file
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# See www/CMake.html for instructions on how to build libcxx with CMake.
#===============================================================================
# Setup Project
#===============================================================================
project(libcxx CXX C)
cmake_minimum_required(VERSION 2.8)
set(PACKAGE_NAME libcxx)
set(PACKAGE_VERSION trunk-svn)
set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")
set(PACKAGE_BUGREPORT "llvmbugs@cs.uiuc.edu")
# Add path for custom modules
set(CMAKE_MODULE_PATH
"${CMAKE_CURRENT_SOURCE_DIR}/cmake"
"${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules"
${CMAKE_MODULE_PATH}
)
# Require out of source build.
include(MacroEnsureOutOfSourceBuild)
MACRO_ENSURE_OUT_OF_SOURCE_BUILD(
"${PROJECT_NAME} requires an out of source build. Please create a separate
build directory and run 'cmake /path/to/${PROJECT_NAME} [options]' there."
)
if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
set(LIBCXX_BUILT_STANDALONE 1)
endif()
#===============================================================================
# Setup CMake Options
#===============================================================================
# Define options.
option(LIBCXX_ENABLE_EXCEPTIONS "Use exceptions." ON)
option(LIBCXX_ENABLE_RTTI "Use run time type information." ON)
option(LIBCXX_ENABLE_ASSERTIONS "Enable assertions independent of build mode." ON)
option(LIBCXX_ENABLE_PEDANTIC "Compile with pedantic enabled." ON)
option(LIBCXX_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF)
option(LIBCXX_ENABLE_CXX0X "Enable -std=c++0x and use of c++0x language features if the compiler supports it." ON)
option(LIBCXX_ENABLE_SHARED "Build libc++ as a shared library." ON)
option(LIBCXX_INSTALL_SUPPORT_HEADERS "Install libc++ support headers." ON)
set(CXXABIS none libcxxabi libcxxrt libstdc++ libsupc++)
if (NOT DEFINED LIBCXX_CXX_ABI)
set(LIBCXX_CXX_ABI "none")
endif()
set(LIBCXX_CXX_ABI "${LIBCXX_CXX_ABI}" CACHE STRING
"Specify C++ ABI library to use." FORCE)
set_property(CACHE LIBCXX_CXX_ABI PROPERTY STRINGS ;${CXXABIS})
#===============================================================================
# Configure System
#===============================================================================
# Get triples.
include(GetTriple)
get_host_triple(LIBCXX_HOST_TRIPLE
LIBCXX_HOST_ARCH
LIBCXX_HOST_VENDOR
LIBCXX_HOST_OS
)
set(LIBCXX_HOST_TRIPLE ${LIBCXX_HOST_TRIPLE} CACHE STRING "Host triple.")
get_target_triple(LIBCXX_TARGET_TRIPLE
LIBCXX_TARGET_ARCH
LIBCXX_TARGET_VENDOR
LIBCXX_TARGET_OS
)
set(LIBCXX_TARGET_TRIPLE ${LIBCXX_TARGET_TRIPLE} CACHE STRING "Target triple.")
#===============================================================================
# Add an ABI library if appropriate
#===============================================================================
#
# _setup_abi: Set up the build to use an ABI library
#
# Parameters:
# abidefines: A list of defines needed to compile libc++ with the ABI library
# abilibs : A list of libraries to link against
# abifiles : A list of files (which may be relative paths) to copy into the
# libc++ build tree for the build. These files will also be
# installed alongside the libc++ headers.
# abidirs : A list of relative paths to create under an include directory
# in the libc++ build directory.
#
macro(setup_abi_lib abipathvar abidefines abilibs abifiles abidirs)
list(APPEND LIBCXX_CXX_FEATURE_FLAGS ${abidefines})
set(${abipathvar} "${${abipathvar}}"
CACHE STRINGS
"Paths to ABI include directories separate by ';'."
)
set(LIBCXX_CXX_ABI_LIBRARIES ${abilibs})
set(LIBCXX_ABILIB_FILES ${abifiles})
file(MAKE_DIRECTORY "${CMAKE_BINARY_DIR}/include")
foreach(_d ${abidirs})
file(MAKE_DIRECTORY "${CMAKE_BINARY_DIR}/include/${_d}")
endforeach()
set(LIBCXX_ABILIB_FILE_PATHS)
foreach(fpath ${LIBCXX_ABILIB_FILES})
set(found FALSE)
foreach(incpath ${${abipathvar}})
if (EXISTS "${incpath}/${fpath}")
set(found TRUE)
get_filename_component(dstdir ${fpath} PATH)
get_filename_component(ifile ${fpath} NAME)
add_custom_command(
OUTPUT "${CMAKE_BINARY_DIR}/include/${dstdir}/${ifile}"
COMMAND ${CMAKE_COMMAND} -E copy_if_different
"${incpath}/${fpath}"
"${CMAKE_BINARY_DIR}/include/${dstdir}"
MAIN_DEPENDENCY "${incpath}/${fpath}"
)
list(APPEND LIBCXX_CXX_ABI_DEPS
"${CMAKE_BINARY_DIR}/include/${dstdir}/${ifile}"
)
endif()
endforeach()
if (NOT found)
message(FATAL_ERROR "Failed to find ${fpath}")
endif()
endforeach()
add_custom_target(abilib_headers DEPENDS ${LIBCXX_CXX_ABI_DEPS})
set(LIBCXX_CXX_ABI_DEPS abilib_headers)
include_directories("${CMAKE_BINARY_DIR}/include")
install(DIRECTORY "${CMAKE_BINARY_DIR}/include/"
DESTINATION include/c++/v1
FILES_MATCHING
PATTERN "*"
)
endmacro()
if ("${LIBCXX_CXX_ABI}" STREQUAL "libstdc++" OR
"${LIBCXX_CXX_ABI}" STREQUAL "libsupc++")
set(_LIBSUPCXX_INCLUDE_FILES
cxxabi.h bits/c++config.h bits/os_defines.h bits/cpu_defines.h
bits/cxxabi_tweaks.h bits/cxxabi_forced.h
)
if ("${LIBCXX_CXX_ABI}" STREQUAL "libstdc++")
set(_LIBSUPCXX_DEFINES "-DLIBSTDCXX")
set(_LIBSUPCXX_LIBNAME stdc++)
else()
set(_LIBSUPCXX_DEFINES "")
set(_LIBSUPCXX_LIBNAME supc++)
endif()
setup_abi_lib("LIBCXX_LIBSUPCXX_INCLUDE_PATHS"
"-D__GLIBCXX__ ${_LIBSUPCXX_DEFINES}"
"${_LIBSUPCXX_LIBNAME}" "${_LIBSUPCXX_INCLUDE_FILES}" "bits"
)
elseif ("${LIBCXX_CXX_ABI}" STREQUAL "libcxxabi")
setup_abi_lib("LIBCXX_LIBCXXABI_INCLUDE_PATHS" ""
"c++abi" "cxxabi.h" ""
)
elseif ("${LIBCXX_CXX_ABI}" STREQUAL "libcxxrt")
setup_abi_lib("LIBCXX_LIBCXXRT_INCLUDE_PATHS" "-DLIBCXXRT"
"cxxrt" "cxxabi.h;unwind.h;unwind-arm.h;unwind-itanium.h" ""
)
elseif (NOT "${LIBCXX_CXX_ABI}" STREQUAL "none")
message(FATAL_ERROR
"Currently libstdc++, libsupc++, libcxxabi, libcxxrt and none are "
"supported for c++ abi."
)
endif ()
# Configure compiler.
include(config-ix)
#===============================================================================
# Setup Compiler Flags
#===============================================================================
# Get required flags.
# On all systems the system c++ standard library headers need to be excluded.
if (MSVC)
# MSVC only has -X, which disables all default includes; including the crt.
# Thus, we do nothing and hope we don't accidentally include any of the C++
# headers.
else()
if (LIBCXX_HAS_NOSTDINCXX_FLAG)
set(LIBCXX_CXX_REQUIRED_FLAGS -nostdinc++)
endif()
if (LIBCXX_ENABLE_CXX0X AND LIBCXX_HAS_STDCXX0X_FLAG)
list(APPEND LIBCXX_CXX_REQUIRED_FLAGS -std=c++0x)
endif()
endif()
macro(append_if list condition var)
if (${condition})
list(APPEND ${list} ${var})
endif()
endmacro()
# Get warning flags
if (NOT MSVC)
append_if(LIBCXX_CXX_WARNING_FLAGS LIBCXX_HAS_WALL_FLAG -Wall)
set(LIBCXX_CXX_REQUIRED_FLAGS, -Werror=return-type)
endif()
append_if(LIBCXX_CXX_WARNING_FLAGS LIBCXX_HAS_W_FLAG -W)
append_if(LIBCXX_CXX_WARNING_FLAGS LIBCXX_HAS_WNO_UNUSED_PARAMETER_FLAG -Wno-unused-parameter)
append_if(LIBCXX_CXX_WARNING_FLAGS LIBCXX_HAS_WWRITE_STRINGS_FLAG -Wwrite-strings)
append_if(LIBCXX_CXX_WARNING_FLAGS LIBCXX_HAS_WNO_LONG_LONG_FLAG -Wno-long-long)
if (LIBCXX_ENABLE_WERROR)
append_if(LIBCXX_CXX_WARNING_FLAGS LIBCXX_HAS_WERROR_FLAG -Werror)
append_if(LIBCXX_CXX_WARNING_FLAGS LIBCXX_HAS_WX_FLAG -WX)
else()
append_if(LIBCXX_CXX_WARNING_FLAGS LIBCXX_HAS_WNO_ERROR_FLAG -Wno-error)
append_if(LIBCXX_CXX_WARNING_FLAGS LIBCXX_HAS_NO_WX_FLAG -WX-)
endif()
if (LIBCXX_ENABLE_PEDANTIC)
append_if(LIBCXX_CXX_WARNING_FLAGS LIBCXX_HAS_PEDANTIC_FLAG -pedantic)
endif()
# Get feature flags.
# Exceptions
if (LIBCXX_ENABLE_EXCEPTIONS)
# Catches C++ exceptions only and tells the compiler to assume that extern C
# functions never throw a C++ exception.
append_if(LIBCXX_CXX_FEATURE_FLAGS LIBCXX_HAS_EHSC_FLAG -EHsc)
else()
list(APPEND LIBCXX_CXX_FEATURE_FLAGS -D_LIBCPP_NO_EXCEPTIONS)
append_if(LIBCXX_CXX_FEATURE_FLAGS LIBCXX_HAS_NO_EHS_FLAG -EHs-)
append_if(LIBCXX_CXX_FEATURE_FLAGS LIBCXX_HAS_NO_EHA_FLAG -EHa-)
append_if(LIBCXX_CXX_FEATURE_FLAGS LIBCXX_HAS_FNO_EXCEPTIONS_FLAG -fno-exceptions)
endif()
# RTTI
if (NOT LIBCXX_ENABLE_RTTI)
list(APPEND LIBCXX_CXX_FEATURE_FLAGS -D_LIBCPP_NO_RTTI)
append_if(LIBCXX_CXX_FEATURE_FLAGS LIBCXX_HAS_NO_GR_FLAG -GR-)
append_if(LIBCXX_CXX_FEATURE_FLAGS LIBCXX_HAS_FNO_RTTI_FLAG -fno-rtti)
endif()
# Assert
string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE)
if (LIBCXX_ENABLE_ASSERTIONS)
# MSVC doesn't like _DEBUG on release builds. See PR 4379.
if (NOT MSVC)
list(APPEND LIBCXX_CXX_FEATURE_FLAGS -D_DEBUG)
endif()
# On Release builds cmake automatically defines NDEBUG, so we
# explicitly undefine it:
if (uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE")
list(APPEND LIBCXX_CXX_FEATURE_FLAGS -UNDEBUG)
endif()
else()
if (NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE")
list(APPEND LIBCXX_CXX_FEATURE_FLAGS -DNDEBUG)
endif()
endif()
# Static library
if (NOT LIBCXX_ENABLE_SHARED)
list(APPEND LIBCXX_CXX_FEATURE_FLAGS -D_LIBCPP_BUILD_STATIC)
endif()
# This is the _ONLY_ place where add_definitions is called.
if (MSVC)
add_definitions(-D_CRT_SECURE_NO_WARNINGS)
endif()
add_definitions(
${LIBCXX_CXX_REQUIRED_FLAGS}
${LIBCXX_CXX_WARNING_FLAGS}
${LIBCXX_CXX_FEATURE_FLAGS}
)
#===============================================================================
# Setup Source Code
#===============================================================================
include_directories(include)
add_subdirectory(include)
# Add source code. This also contains all of the logic for deciding linker flags
# soname, etc...
add_subdirectory(lib)
#===============================================================================
# Setup Tests
#===============================================================================
add_subdirectory(test)

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dot2-final/CREDITS.TXT Normal file
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This file is a partial list of people who have contributed to the LLVM/libc++
project. If you have contributed a patch or made some other contribution to
LLVM/libc++, please submit a patch to this file to add yourself, and it will be
done!
The list is sorted by surname and formatted to allow easy grepping and
beautification by scripts. The fields are: name (N), email (E), web-address
(W), PGP key ID and fingerprint (P), description (D), and snail-mail address
(S).
N: Saleem Abdulrasool
E: compnerd@compnerd.org
D: Minor patches and Linux fixes.
N: Dimitry Andric
E: dimitry@andric.com
D: Visibility fixes, minor FreeBSD portability patches.
N: Holger Arnold
E: holgerar@gmail.com
D: Minor fix.
N: Ruben Van Boxem
E: vanboxem dot ruben at gmail dot com
D: Initial Windows patches.
N: David Chisnall
E: theraven at theravensnest dot org
D: FreeBSD and Solaris ports, libcxxrt support, some atomics work.
N: Marshall Clow
E: mclow.lists@gmail.com
E: marshall@idio.com
D: C++14 support, patches and bug fixes.
N: Bill Fisher
E: william.w.fisher@gmail.com
D: Regex bug fixes.
N: Matthew Dempsky
E: matthew@dempsky.org
D: Minor patches and bug fixes.
N: Google Inc.
D: Copyright owner and contributor of the CityHash algorithm
N: Howard Hinnant
E: hhinnant@apple.com
D: Architect and primary author of libc++
N: Hyeon-bin Jeong
E: tuhertz@gmail.com
D: Minor patches and bug fixes.
N: Argyrios Kyrtzidis
E: kyrtzidis@apple.com
D: Bug fixes.
N: Bruce Mitchener, Jr.
E: bruce.mitchener@gmail.com
D: Emscripten-related changes.
N: Michel Morin
E: mimomorin@gmail.com
D: Minor patches to is_convertible.
N: Andrew Morrow
E: andrew.c.morrow@gmail.com
D: Minor patches and Linux fixes.
N: Arvid Picciani
E: aep at exys dot org
D: Minor patches and musl port.
N: Bjorn Reese
E: breese@users.sourceforge.net
D: Initial regex prototype
N: Nico Rieck
E: nico.rieck@gmail.com
D: Windows fixes
N: Jonathan Sauer
D: Minor patches, mostly related to constexpr
N: Craig Silverstein
E: csilvers@google.com
D: Implemented Cityhash as the string hash function on 64-bit machines
N: Richard Smith
D: Minor patches.
N: Joerg Sonnenberger
E: joerg@NetBSD.org
D: NetBSD port.
N: Stephan Tolksdorf
E: st@quanttec.com
D: Minor <atomic> fix
N: Michael van der Westhuizen
E: r1mikey at gmail dot com
N: Klaas de Vries
E: klaas at klaasgaaf dot nl
D: Minor bug fix.
N: Zhang Xiongpang
E: zhangxiongpang@gmail.com
D: Minor patches and bug fixes.
N: Xing Xue
E: xingxue@ca.ibm.com
D: AIX port
N: Zhihao Yuan
E: lichray@gmail.com
D: Standard compatibility fixes.
N: Jeffrey Yasskin
E: jyasskin@gmail.com
E: jyasskin@google.com
D: Linux fixes.

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==============================================================================
libc++ License
==============================================================================
The libc++ library is dual licensed under both the University of Illinois
"BSD-Like" license and the MIT license. As a user of this code you may choose
to use it under either license. As a contributor, you agree to allow your code
to be used under both.
Full text of the relevant licenses is included below.
==============================================================================
University of Illinois/NCSA
Open Source License
Copyright (c) 2009-2013 by the contributors listed in CREDITS.TXT
All rights reserved.
Developed by:
LLVM Team
University of Illinois at Urbana-Champaign
http://llvm.org
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal with
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:
* Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimers.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimers in the
documentation and/or other materials provided with the distribution.
* Neither the names of the LLVM Team, University of Illinois at
Urbana-Champaign, nor the names of its contributors may be used to
endorse or promote products derived from this Software without specific
prior written permission.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS WITH THE
SOFTWARE.
==============================================================================
Copyright (c) 2009-2013 by the contributors listed in CREDITS.TXT
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

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##
# libc++ Makefile
##
SRCDIRS = .
DESTDIR = $(DSTROOT)
OBJROOT=.
SYMROOT=.
export TRIPLE=-apple-
ifeq (,$(RC_INDIGO))
INSTALL_PREFIX=""
else
INSTALL_PREFIX="$(SDKROOT)"
endif
INSTALL_DIR=$(DSTROOT)/$(INSTALL_PREFIX)
.PHONY: help installsrc clean installheaders install
help::
@echo "Use make install DSTROOT=<destination>"
installsrc:: $(SRCROOT)
ditto $(SRCDIRS)/include $(SRCROOT)/include
ditto $(SRCDIRS)/lib $(SRCROOT)/lib
ditto $(SRCDIRS)/src $(SRCROOT)/src
ditto $(SRCDIRS)/Makefile $(SRCROOT)/Makefile
clean::
# The installheaders target is used by clang's runtime/libcxx makefile.
installheaders::
mkdir -p $(HEADER_DIR)/c++/v1/ext
(cd $(SRCDIRS)/include && tar cf - --exclude=support .) | \
(cd $(HEADER_DIR)/c++/v1 && tar xf -)
chmod 755 $(HEADER_DIR)/c++/v1
chmod 644 $(HEADER_DIR)/c++/v1/*
chmod 755 $(HEADER_DIR)/c++/v1/ext
chmod 644 $(HEADER_DIR)/c++/v1/ext/*
chmod 755 $(HEADER_DIR)/c++/v1/experimental
chmod 644 $(HEADER_DIR)/c++/v1/experimental/*
install::
cd lib && ./buildit
ditto lib/libc++.1.dylib $(SYMROOT)/usr/lib/libc++.1.dylib
cd lib && dsymutil -o $(SYMROOT)/libc++.1.dylib.dSYM \
$(SYMROOT)/usr/lib/libc++.1.dylib
mkdir -p $(INSTALL_DIR)/usr/lib
strip -S -o $(INSTALL_DIR)/usr/lib/libc++.1.dylib \
$(SYMROOT)/usr/lib/libc++.1.dylib
cd $(INSTALL_DIR)/usr/lib && ln -s libc++.1.dylib libc++.dylib

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# Define functions to get the host and target triple.
function(get_host_triple out out_arch out_vendor out_os)
# Get the architecture.
set(arch ${CMAKE_HOST_SYSTEM_PROCESSOR})
if (arch STREQUAL "x86")
set(arch "i686")
endif()
# Get the vendor.
if (${CMAKE_HOST_SYSTEM_NAME} STREQUAL "Darwin")
set(vendor "apple")
else()
set(vendor "pc")
endif()
# Get os.
if (${CMAKE_HOST_SYSTEM_NAME} STREQUAL "Windows")
set(os "win32")
else()
string(TOLOWER ${CMAKE_HOST_SYSTEM_NAME} os)
endif()
set(triple "${arch}-${vendor}-${os}")
set(${out} ${triple} PARENT_SCOPE)
set(${out_arch} ${arch} PARENT_SCOPE)
set(${out_vendor} ${vendor} PARENT_SCOPE)
set(${out_os} ${os} PARENT_SCOPE)
message(STATUS "Host triple: ${triple}")
endfunction()
function(get_target_triple out out_arch out_vendor out_os)
# Get the architecture.
set(arch ${CMAKE_SYSTEM_PROCESSOR})
if (arch STREQUAL "x86")
set(arch "i686")
endif()
# Get the vendor.
if (${CMAKE_SYSTEM_NAME} STREQUAL "Darwin")
set(vendor "apple")
else()
set(vendor "pc")
endif()
# Get os.
if (${CMAKE_SYSTEM_NAME} STREQUAL "Windows")
set(os "win32")
else()
string(TOLOWER ${CMAKE_SYSTEM_NAME} os)
endif()
set(triple "${arch}-${vendor}-${os}")
set(${out} ${triple} PARENT_SCOPE)
set(${out_arch} ${arch} PARENT_SCOPE)
set(${out_vendor} ${vendor} PARENT_SCOPE)
set(${out_os} ${os} PARENT_SCOPE)
message(STATUS "Target triple: ${triple}")
endfunction()

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# MACRO_ENSURE_OUT_OF_SOURCE_BUILD(<errorMessage>)
macro( MACRO_ENSURE_OUT_OF_SOURCE_BUILD _errorMessage )
string( COMPARE EQUAL "${CMAKE_SOURCE_DIR}" "${CMAKE_BINARY_DIR}" _insource )
if( _insource )
message( SEND_ERROR "${_errorMessage}" )
message( FATAL_ERROR
"In-source builds are not allowed.
CMake would overwrite the makefiles distributed with Compiler-RT.
Please create a directory and run cmake from there, passing the path
to this source directory as the last argument.
This process created the file `CMakeCache.txt' and the directory `CMakeFiles'.
Please delete them."
)
endif( _insource )
endmacro( MACRO_ENSURE_OUT_OF_SOURCE_BUILD )

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include(CheckLibraryExists)
include(CheckCXXCompilerFlag)
# Check compiler flags
check_cxx_compiler_flag(-std=c++0x LIBCXX_HAS_STDCXX0X_FLAG)
check_cxx_compiler_flag(-fPIC LIBCXX_HAS_FPIC_FLAG)
check_cxx_compiler_flag(-nodefaultlibs LIBCXX_HAS_NODEFAULTLIBS_FLAG)
check_cxx_compiler_flag(-nostdinc++ LIBCXX_HAS_NOSTDINCXX_FLAG)
check_cxx_compiler_flag(-Wall LIBCXX_HAS_WALL_FLAG)
check_cxx_compiler_flag(-W LIBCXX_HAS_W_FLAG)
check_cxx_compiler_flag(-Wno-unused-parameter LIBCXX_HAS_WNO_UNUSED_PARAMETER_FLAG)
check_cxx_compiler_flag(-Wwrite-strings LIBCXX_HAS_WWRITE_STRINGS_FLAG)
check_cxx_compiler_flag(-Wno-long-long LIBCXX_HAS_WNO_LONG_LONG_FLAG)
check_cxx_compiler_flag(-pedantic LIBCXX_HAS_PEDANTIC_FLAG)
check_cxx_compiler_flag(-Werror LIBCXX_HAS_WERROR_FLAG)
check_cxx_compiler_flag(-Wno-error LIBCXX_HAS_WNO_ERROR_FLAG)
check_cxx_compiler_flag(-fno-exceptions LIBCXX_HAS_FNO_EXCEPTIONS_FLAG)
check_cxx_compiler_flag(-fno-rtti LIBCXX_HAS_FNO_RTTI_FLAG)
check_cxx_compiler_flag(/WX LIBCXX_HAS_WX_FLAG)
check_cxx_compiler_flag(/WX- LIBCXX_HAS_NO_WX_FLAG)
check_cxx_compiler_flag(/EHsc LIBCXX_HAS_EHSC_FLAG)
check_cxx_compiler_flag(/EHs- LIBCXX_HAS_NO_EHS_FLAG)
check_cxx_compiler_flag(/EHa- LIBCXX_HAS_NO_EHA_FLAG)
check_cxx_compiler_flag(/GR- LIBCXX_HAS_NO_GR_FLAG)
# Check libraries
check_library_exists(pthread pthread_create "" LIBCXX_HAS_PTHREAD_LIB)
check_library_exists(c printf "" LIBCXX_HAS_C_LIB)
check_library_exists(m ccos "" LIBCXX_HAS_M_LIB)
check_library_exists(rt clock_gettime "" LIBCXX_HAS_RT_LIB)
check_library_exists(gcc_s __gcc_personality_v0 "" LIBCXX_HAS_GCC_S_LIB)
# Check C++0x features
if (LIBCXX_ENABLE_CXX0X)
if (LIBCXX_HAS_STDCXX0X_FLAG)
set(CMAKE_REQUIRED_DEFINITIONS -std=c++0x)
endif()
else()
set(LIBCXX_HAS_STDCXX0X_FLAG FALSE)
endif()

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if (NOT LIBCXX_INSTALL_SUPPORT_HEADERS)
set(LIBCXX_SUPPORT_HEADER_PATTERN PATTERN "support" EXCLUDE)
endif()
file(COPY .
DESTINATION "${CMAKE_BINARY_DIR}/include/c++/v1"
FILES_MATCHING
PATTERN "*"
PATTERN "CMakeLists.txt" EXCLUDE
PATTERN ".svn" EXCLUDE
${LIBCXX_SUPPORT_HEADER_PATTERN}
)
install(DIRECTORY "${CMAKE_BINARY_DIR}/include/c++/v1/"
DESTINATION include/c++/v1/
)

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// -*- C++ -*-
//===--------------------------- __config ---------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_CONFIG
#define _LIBCPP_CONFIG
#if !defined(_MSC_VER) || defined(__clang__)
#pragma GCC system_header
#endif
#ifdef __GNUC__
#define _GNUC_VER (__GNUC__ * 100 + __GNUC_MINOR__)
#endif
#define _LIBCPP_VERSION 1101
#define _LIBCPP_ABI_VERSION 1
#define _LIBCPP_CONCAT1(_LIBCPP_X,_LIBCPP_Y) _LIBCPP_X##_LIBCPP_Y
#define _LIBCPP_CONCAT(_LIBCPP_X,_LIBCPP_Y) _LIBCPP_CONCAT1(_LIBCPP_X,_LIBCPP_Y)
#define _LIBCPP_NAMESPACE _LIBCPP_CONCAT(__,_LIBCPP_ABI_VERSION)
#ifdef __LITTLE_ENDIAN__
#if __LITTLE_ENDIAN__
#define _LIBCPP_LITTLE_ENDIAN 1
#define _LIBCPP_BIG_ENDIAN 0
#endif // __LITTLE_ENDIAN__
#endif // __LITTLE_ENDIAN__
#ifdef __BIG_ENDIAN__
#if __BIG_ENDIAN__
#define _LIBCPP_LITTLE_ENDIAN 0
#define _LIBCPP_BIG_ENDIAN 1
#endif // __BIG_ENDIAN__
#endif // __BIG_ENDIAN__
#ifdef __FreeBSD__
# include <sys/endian.h>
# if _BYTE_ORDER == _LITTLE_ENDIAN
# define _LIBCPP_LITTLE_ENDIAN 1
# define _LIBCPP_BIG_ENDIAN 0
# else // _BYTE_ORDER == _LITTLE_ENDIAN
# define _LIBCPP_LITTLE_ENDIAN 0
# define _LIBCPP_BIG_ENDIAN 1
# endif // _BYTE_ORDER == _LITTLE_ENDIAN
# ifndef __LONG_LONG_SUPPORTED
# define _LIBCPP_HAS_NO_LONG_LONG
# endif // __LONG_LONG_SUPPORTED
#endif // __FreeBSD__
#ifdef __NetBSD__
# include <sys/endian.h>
# if _BYTE_ORDER == _LITTLE_ENDIAN
# define _LIBCPP_LITTLE_ENDIAN 1
# define _LIBCPP_BIG_ENDIAN 0
# else // _BYTE_ORDER == _LITTLE_ENDIAN
# define _LIBCPP_LITTLE_ENDIAN 0
# define _LIBCPP_BIG_ENDIAN 1
# endif // _BYTE_ORDER == _LITTLE_ENDIAN
# define _LIBCPP_HAS_QUICK_EXIT
#endif // __NetBSD__
#ifdef _WIN32
# define _LIBCPP_LITTLE_ENDIAN 1
# define _LIBCPP_BIG_ENDIAN 0
// Compiler intrinsics (GCC or MSVC)
# if defined(__clang__) \
|| (defined(_MSC_VER) && _MSC_VER >= 1400) \
|| (defined(__GNUC__) && _GNUC_VER > 403)
# define _LIBCPP_HAS_IS_BASE_OF
# endif
# if defined(_MSC_VER) && !defined(__clang__)
# define _LIBCPP_MSVC // Using Microsoft Visual C++ compiler
# define _LIBCPP_TOSTRING2(x) #x
# define _LIBCPP_TOSTRING(x) _LIBCPP_TOSTRING2(x)
# define _LIBCPP_WARNING(x) __pragma(message(__FILE__ "(" _LIBCPP_TOSTRING(__LINE__) ") : warning note: " x))
# endif
# // If mingw not explicitly detected, assume using MS C runtime only.
# ifndef __MINGW32__
# define _LIBCPP_MSVCRT // Using Microsoft's C Runtime library
# endif
#endif // _WIN32
#ifdef __linux__
# if defined(__GNUC__) && _GNUC_VER >= 403
# define _LIBCPP_HAS_IS_BASE_OF
# endif
#endif
#ifdef __sun__
# include <sys/isa_defs.h>
# ifdef _LITTLE_ENDIAN
# define _LIBCPP_LITTLE_ENDIAN 1
# define _LIBCPP_BIG_ENDIAN 0
# else
# define _LIBCPP_LITTLE_ENDIAN 0
# define _LIBCPP_BIG_ENDIAN 1
# endif
#endif // __sun__
#if !defined(_LIBCPP_LITTLE_ENDIAN) || !defined(_LIBCPP_BIG_ENDIAN)
# include <endian.h>
# if __BYTE_ORDER == __LITTLE_ENDIAN
# define _LIBCPP_LITTLE_ENDIAN 1
# define _LIBCPP_BIG_ENDIAN 0
# elif __BYTE_ORDER == __BIG_ENDIAN
# define _LIBCPP_LITTLE_ENDIAN 0
# define _LIBCPP_BIG_ENDIAN 1
# else // __BYTE_ORDER == __BIG_ENDIAN
# error unable to determine endian
# endif
#endif // !defined(_LIBCPP_LITTLE_ENDIAN) || !defined(_LIBCPP_BIG_ENDIAN)
#ifdef _WIN32
// only really useful for a DLL
#ifdef _LIBCPP_DLL // this should be a compiler builtin define ideally...
# ifdef cxx_EXPORTS
# define _LIBCPP_HIDDEN
# define _LIBCPP_FUNC_VIS __declspec(dllexport)
# define _LIBCPP_TYPE_VIS __declspec(dllexport)
# else
# define _LIBCPP_HIDDEN
# define _LIBCPP_FUNC_VIS __declspec(dllimport)
# define _LIBCPP_TYPE_VIS __declspec(dllimport)
# endif
#else
# define _LIBCPP_HIDDEN
# define _LIBCPP_FUNC_VIS
# define _LIBCPP_TYPE_VIS
#endif
#define _LIBCPP_TYPE_VIS_ONLY
#define _LIBCPP_FUNC_VIS_ONLY
#ifndef _LIBCPP_INLINE_VISIBILITY
# ifdef _LIBCPP_MSVC
# define _LIBCPP_INLINE_VISIBILITY __forceinline
# else // MinGW GCC and Clang
# define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__always_inline__))
# endif
#endif
#ifndef _LIBCPP_EXCEPTION_ABI
#define _LIBCPP_EXCEPTION_ABI _LIBCPP_TYPE_VIS
#endif
#ifndef _LIBCPP_ALWAYS_INLINE
# ifdef _LIBCPP_MSVC
# define _LIBCPP_ALWAYS_INLINE __forceinline
# endif
#endif
#endif // _WIN32
#ifndef __has_attribute
#define __has_attribute(__x) 0
#endif
#ifndef _LIBCPP_HIDDEN
#define _LIBCPP_HIDDEN __attribute__ ((__visibility__("hidden")))
#endif
#ifndef _LIBCPP_FUNC_VIS
#define _LIBCPP_FUNC_VIS __attribute__ ((__visibility__("default")))
#endif
#ifndef _LIBCPP_TYPE_VIS
# if __has_attribute(__type_visibility__)
# define _LIBCPP_TYPE_VIS __attribute__ ((__type_visibility__("default")))
# else
# define _LIBCPP_TYPE_VIS __attribute__ ((__visibility__("default")))
# endif
#endif
#ifndef _LIBCPP_TYPE_VIS_ONLY
# define _LIBCPP_TYPE_VIS_ONLY _LIBCPP_TYPE_VIS
#endif
#ifndef _LIBCPP_FUNC_VIS_ONLY
# define _LIBCPP_FUNC_VIS_ONLY _LIBCPP_FUNC_VIS
#endif
#ifndef _LIBCPP_INLINE_VISIBILITY
#define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__visibility__("hidden"), __always_inline__))
#endif
#ifndef _LIBCPP_EXCEPTION_ABI
#define _LIBCPP_EXCEPTION_ABI _LIBCPP_TYPE_VIS
#endif
#ifndef _LIBCPP_ALWAYS_INLINE
#define _LIBCPP_ALWAYS_INLINE __attribute__ ((__visibility__("hidden"), __always_inline__))
#endif
#if defined(__clang__)
#if __has_feature(cxx_alignas)
# define _ALIGNAS_TYPE(x) alignas(x)
# define _ALIGNAS(x) alignas(x)
#else
# define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x))))
# define _ALIGNAS(x) __attribute__((__aligned__(x)))
#endif
#if !__has_feature(cxx_alias_templates)
#define _LIBCPP_HAS_NO_TEMPLATE_ALIASES
#endif
#ifndef __GXX_EXPERIMENTAL_CXX0X__
#ifdef __linux__
#define _LIBCPP_HAS_NO_UNICODE_CHARS
#else
typedef __char16_t char16_t;
typedef __char32_t char32_t;
#endif
#endif
#if !(__has_feature(cxx_exceptions))
#define _LIBCPP_NO_EXCEPTIONS
#endif
#if !(__has_feature(cxx_rtti))
#define _LIBCPP_NO_RTTI
#endif
#if !(__has_feature(cxx_strong_enums))
#define _LIBCPP_HAS_NO_STRONG_ENUMS
#endif
#if !(__has_feature(cxx_decltype))
#define _LIBCPP_HAS_NO_DECLTYPE
#endif
#if __has_feature(cxx_attributes)
# define _LIBCPP_NORETURN [[noreturn]]
#else
# define _LIBCPP_NORETURN __attribute__ ((noreturn))
#endif
#if !(__has_feature(cxx_defaulted_functions))
#define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
#endif // !(__has_feature(cxx_defaulted_functions))
#if !(__has_feature(cxx_deleted_functions))
#define _LIBCPP_HAS_NO_DELETED_FUNCTIONS
#endif // !(__has_feature(cxx_deleted_functions))
#if !(__has_feature(cxx_lambdas))
#define _LIBCPP_HAS_NO_LAMBDAS
#endif
#if !(__has_feature(cxx_nullptr))
#define _LIBCPP_HAS_NO_NULLPTR
#endif
#if !(__has_feature(cxx_rvalue_references))
#define _LIBCPP_HAS_NO_RVALUE_REFERENCES
#endif
#if !(__has_feature(cxx_static_assert))
#define _LIBCPP_HAS_NO_STATIC_ASSERT
#endif
#if !(__has_feature(cxx_auto_type))
#define _LIBCPP_HAS_NO_AUTO_TYPE
#endif
#if !(__has_feature(cxx_access_control_sfinae)) || !__has_feature(cxx_trailing_return)
#define _LIBCPP_HAS_NO_ADVANCED_SFINAE
#endif
#if !(__has_feature(cxx_variadic_templates))
#define _LIBCPP_HAS_NO_VARIADICS
#endif
#if !(__has_feature(cxx_trailing_return))
#define _LIBCPP_HAS_NO_TRAILING_RETURN
#endif
#if !(__has_feature(cxx_generalized_initializers))
#define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
#endif
#if __has_feature(is_base_of)
# define _LIBCPP_HAS_IS_BASE_OF
#endif
// Objective-C++ features (opt-in)
#if __has_feature(objc_arc)
#define _LIBCPP_HAS_OBJC_ARC
#endif
#if __has_feature(objc_arc_weak)
#define _LIBCPP_HAS_OBJC_ARC_WEAK
#define _LIBCPP_HAS_NO_STRONG_ENUMS
#endif
#if !(__has_feature(cxx_constexpr))
#define _LIBCPP_HAS_NO_CONSTEXPR
#endif
#if __ISO_C_VISIBLE >= 2011 || __cplusplus >= 201103L
#if defined(__FreeBSD__)
#define _LIBCPP_HAS_QUICK_EXIT
#define _LIBCPP_HAS_C11_FEATURES
#elif defined(__linux__)
#include <features.h>
#if __GLIBC_PREREQ(2, 15)
#define _LIBCPP_HAS_QUICK_EXIT
#endif
#if __GLIBC_PREREQ(2, 17)
#define _LIBCPP_HAS_C11_FEATURES
#endif
#endif
#endif
#if (__has_feature(cxx_noexcept))
# define _NOEXCEPT noexcept
# define _NOEXCEPT_(x) noexcept(x)
#else
# define _NOEXCEPT throw()
# define _NOEXCEPT_(x)
#endif
#if __has_feature(underlying_type)
# define _LIBCXX_UNDERLYING_TYPE(T) __underlying_type(T)
#endif
// Inline namespaces are available in Clang regardless of C++ dialect.
#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {inline namespace _LIBCPP_NAMESPACE {
#define _LIBCPP_END_NAMESPACE_STD } }
#define _VSTD std::_LIBCPP_NAMESPACE
namespace std {
inline namespace _LIBCPP_NAMESPACE {
}
}
#elif defined(__GNUC__)
#define _ALIGNAS(x) __attribute__((__aligned__(x)))
#define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x))))
#define _LIBCPP_NORETURN __attribute__((noreturn))
#if !__EXCEPTIONS
#define _LIBCPP_NO_EXCEPTIONS
#endif
#define _LIBCPP_HAS_NO_TEMPLATE_ALIASES
#define _LIBCPP_HAS_NO_CONSTEXPR
#define _NOEXCEPT throw()
#define _NOEXCEPT_(x)
#ifndef __GXX_EXPERIMENTAL_CXX0X__
#define _LIBCPP_HAS_NO_ADVANCED_SFINAE
#define _LIBCPP_HAS_NO_DECLTYPE
#define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
#define _LIBCPP_HAS_NO_DELETED_FUNCTIONS
#define _LIBCPP_HAS_NO_NULLPTR
#define _LIBCPP_HAS_NO_STATIC_ASSERT
#define _LIBCPP_HAS_NO_UNICODE_CHARS
#define _LIBCPP_HAS_NO_VARIADICS
#define _LIBCPP_HAS_NO_RVALUE_REFERENCES
#define _LIBCPP_HAS_NO_ALWAYS_INLINE_VARIADICS
#else // __GXX_EXPERIMENTAL_CXX0X__
#define _LIBCPP_HAS_NO_TRAILING_RETURN
#define _LIBCPP_HAS_NO_ALWAYS_INLINE_VARIADICS
#if _GNUC_VER < 403
#define _LIBCPP_HAS_NO_RVALUE_REFERENCES
#endif
#if _GNUC_VER < 403
#define _LIBCPP_HAS_NO_STATIC_ASSERT
#endif
#if _GNUC_VER < 404
#define _LIBCPP_HAS_NO_ADVANCED_SFINAE
#define _LIBCPP_HAS_NO_DECLTYPE
#define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
#define _LIBCPP_HAS_NO_DELETED_FUNCTIONS
#define _LIBCPP_HAS_NO_UNICODE_CHARS
#define _LIBCPP_HAS_NO_VARIADICS
#define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
#endif // _GNUC_VER < 404
#if _GNUC_VER < 406
#define _LIBCPP_HAS_NO_NULLPTR
#endif
#endif // __GXX_EXPERIMENTAL_CXX0X__
#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std { namespace _LIBCPP_NAMESPACE {
#define _LIBCPP_END_NAMESPACE_STD } }
#define _VSTD std::_LIBCPP_NAMESPACE
namespace std {
namespace _LIBCPP_NAMESPACE {
}
using namespace _LIBCPP_NAMESPACE __attribute__((__strong__));
}
#elif defined(_LIBCPP_MSVC)
#define _LIBCPP_HAS_NO_TEMPLATE_ALIASES
#define _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER
#define _LIBCPP_HAS_NO_CONSTEXPR
#define _LIBCPP_HAS_NO_UNICODE_CHARS
#define _LIBCPP_HAS_NO_DELETED_FUNCTIONS
#define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
#define __alignof__ __alignof
#define _LIBCPP_NORETURN __declspec(noreturn)
#define _ALIGNAS(x) __declspec(align(x))
#define _LIBCPP_HAS_NO_VARIADICS
#define _NOEXCEPT throw()
#define _NOEXCEPT_(x)
#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {
#define _LIBCPP_END_NAMESPACE_STD }
#define _VSTD std
# define _LIBCPP_WEAK
namespace std {
}
#elif defined(__IBMCPP__)
#define _ALIGNAS(x) __attribute__((__aligned__(x)))
#define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x))))
#define _ATTRIBUTE(x) __attribute__((x))
#define _LIBCPP_NORETURN __attribute__((noreturn))
#define _NOEXCEPT throw()
#define _NOEXCEPT_(x)
#define _LIBCPP_HAS_NO_TEMPLATE_ALIASES
#define _LIBCPP_HAS_NO_ADVANCED_SFINAE
#define _LIBCPP_HAS_NO_ALWAYS_INLINE_VARIADICS
#define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
#define _LIBCPP_HAS_NO_NULLPTR
#define _LIBCPP_HAS_NO_UNICODE_CHARS
#define _LIBCPP_HAS_NO_STRONG_ENUMS
#define _LIBCPP_HAS_IS_BASE_OF
#if defined(_AIX)
#define __MULTILOCALE_API
#endif
#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {inline namespace _LIBCPP_NAMESPACE {
#define _LIBCPP_END_NAMESPACE_STD } }
#define _VSTD std::_LIBCPP_NAMESPACE
namespace std {
inline namespace _LIBCPP_NAMESPACE {
}
}
#endif // __clang__ || __GNUC___ || _MSC_VER || __IBMCPP__
#ifdef _LIBCPP_HAS_NO_UNICODE_CHARS
typedef unsigned short char16_t;
typedef unsigned int char32_t;
#endif // _LIBCPP_HAS_NO_UNICODE_CHARS
#ifdef _LIBCPP_HAS_NO_STATIC_ASSERT
template <bool> struct __static_assert_test;
template <> struct __static_assert_test<true> {};
template <unsigned> struct __static_assert_check {};
#define static_assert(__b, __m) \
typedef __static_assert_check<sizeof(__static_assert_test<(__b)>)> \
_LIBCPP_CONCAT(__t, __LINE__)
#endif // _LIBCPP_HAS_NO_STATIC_ASSERT
#ifdef _LIBCPP_HAS_NO_DECLTYPE
#define decltype(x) __typeof__(x)
#endif
#ifdef _LIBCPP_HAS_NO_CONSTEXPR
#define _LIBCPP_CONSTEXPR
#else
#define _LIBCPP_CONSTEXPR constexpr
#endif
#ifdef _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
#define _LIBCPP_DEFAULT {}
#else
#define _LIBCPP_DEFAULT = default;
#endif
#ifdef __GNUC__
#define _NOALIAS __attribute__((__malloc__))
#else
#define _NOALIAS
#endif
#ifndef __has_feature
#define __has_feature(__x) 0
#endif
#if __has_feature(cxx_explicit_conversions)
# define _LIBCPP_EXPLICIT explicit
#else
# define _LIBCPP_EXPLICIT
#endif
#ifdef _LIBCPP_HAS_NO_STRONG_ENUMS
#define _LIBCPP_DECLARE_STRONG_ENUM(x) struct _LIBCPP_TYPE_VIS x { enum __lx
#define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x) \
__lx __v_; \
_LIBCPP_ALWAYS_INLINE x(__lx __v) : __v_(__v) {} \
_LIBCPP_ALWAYS_INLINE explicit x(int __v) : __v_(static_cast<__lx>(__v)) {} \
_LIBCPP_ALWAYS_INLINE operator int() const {return __v_;} \
};
#else // _LIBCPP_HAS_NO_STRONG_ENUMS
#define _LIBCPP_DECLARE_STRONG_ENUM(x) enum class _LIBCPP_TYPE_VIS x
#define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x)
#endif // _LIBCPP_HAS_NO_STRONG_ENUMS
#ifdef _LIBCPP_DEBUG
# if _LIBCPP_DEBUG == 0
# define _LIBCPP_DEBUG_LEVEL 1
# elif _LIBCPP_DEBUG == 1
# define _LIBCPP_DEBUG_LEVEL 2
# else
# error Supported values for _LIBCPP_DEBUG are 0 and 1
# endif
# define _LIBCPP_EXTERN_TEMPLATE(...)
#endif
#ifndef _LIBCPP_EXTERN_TEMPLATE
#define _LIBCPP_EXTERN_TEMPLATE(...)
#endif
#ifndef _LIBCPP_EXTERN_TEMPLATE2
#define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
#endif
#if defined(__APPLE__) || defined(__FreeBSD__) || defined(_WIN32) || defined(__sun__) || defined(__NetBSD__)
#define _LIBCPP_LOCALE__L_EXTENSIONS 1
#endif
#ifdef __FreeBSD__
#define _DECLARE_C99_LDBL_MATH 1
#endif
#if defined(__APPLE__) || defined(__FreeBSD__)
#define _LIBCPP_HAS_DEFAULTRUNELOCALE
#endif
#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__sun__)
#define _LIBCPP_WCTYPE_IS_MASK
#endif
#if defined(__APPLE__)
#ifndef _LIBCPP_TRIVIAL_PAIR_COPY_CTOR
# define _LIBCPP_TRIVIAL_PAIR_COPY_CTOR 0
#endif
#endif
#ifndef _LIBCPP_TRIVIAL_PAIR_COPY_CTOR
# define _LIBCPP_TRIVIAL_PAIR_COPY_CTOR 1
#endif
#ifndef _LIBCPP_STD_VER
# if __cplusplus <= 201103L
# define _LIBCPP_STD_VER 11
# else
# define _LIBCPP_STD_VER 13 // current year, or date of c++14 ratification
# endif
#endif // _LIBCPP_STD_VER
#if _LIBCPP_STD_VER > 11
#define _LIBCPP_DEPRECATED [[deprecated]]
#else
#define _LIBCPP_DEPRECATED
#endif
#if _LIBCPP_STD_VER <= 11
#define _LIBCPP_CONSTEXPR_AFTER_CXX11
#define _LIBCPP_EXPLICIT_AFTER_CXX11
#define _LIBCPP_DEPRECATED_AFTER_CXX11
#else
#define _LIBCPP_CONSTEXPR_AFTER_CXX11 constexpr
#define _LIBCPP_EXPLICIT_AFTER_CXX11 explicit
#define _LIBCPP_DEPRECATED_AFTER_CXX11 [[deprecated]]
#endif
// Try to find out if RTTI is disabled.
// g++ and cl.exe have RTTI on by default and define a macro when it is.
// g++ only defines the macro in 4.3.2 and onwards.
#if !defined(_LIBCPP_NO_RTTI)
# if defined(__GNUG__) && (__GNUC__ >= 4 && \
(__GNUC_MINOR__ >= 3 || __GNUC_PATCHLEVEL__ >= 2)) && !defined(__GXX_RTTI)
# define _LIBCPP_NO_RTTI
# elif (defined(_MSC_VER) && !defined(__clang__)) && !defined(_CPPRTTI)
# define _LIBCPP_NO_RTTI
# endif
#endif
#ifndef _LIBCPP_WEAK
# define _LIBCPP_WEAK __attribute__((__weak__))
#endif
#endif // _LIBCPP_CONFIG

218
dot2-final/include/__debug Normal file
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@ -0,0 +1,218 @@
// -*- C++ -*-
//===--------------------------- __debug ----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_DEBUG_H
#define _LIBCPP_DEBUG_H
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
#if _LIBCPP_DEBUG_LEVEL >= 1
# include <cstdlib>
# include <cstdio>
# include <cstddef>
# ifndef _LIBCPP_ASSERT
# define _LIBCPP_ASSERT(x, m) ((x) ? (void)0 : (_VSTD::printf("%s\n", m), _VSTD::abort()))
# endif
#endif
#if _LIBCPP_DEBUG_LEVEL >= 2
_LIBCPP_BEGIN_NAMESPACE_STD
struct _LIBCPP_TYPE_VIS __c_node;
struct _LIBCPP_TYPE_VIS __i_node
{
void* __i_;
__i_node* __next_;
__c_node* __c_;
#ifndef _LIBCPP_HAS_NO_DELETED_FUNCTIONS
__i_node(const __i_node&) = delete;
__i_node& operator=(const __i_node&) = delete;
#else
private:
__i_node(const __i_node&);
__i_node& operator=(const __i_node&);
public:
#endif
_LIBCPP_INLINE_VISIBILITY
__i_node(void* __i, __i_node* __next, __c_node* __c)
: __i_(__i), __next_(__next), __c_(__c) {}
~__i_node();
};
struct _LIBCPP_TYPE_VIS __c_node
{
void* __c_;
__c_node* __next_;
__i_node** beg_;
__i_node** end_;
__i_node** cap_;
#ifndef _LIBCPP_HAS_NO_DELETED_FUNCTIONS
__c_node(const __c_node&) = delete;
__c_node& operator=(const __c_node&) = delete;
#else
private:
__c_node(const __c_node&);
__c_node& operator=(const __c_node&);
public:
#endif
_LIBCPP_INLINE_VISIBILITY
__c_node(void* __c, __c_node* __next)
: __c_(__c), __next_(__next), beg_(nullptr), end_(nullptr), cap_(nullptr) {}
virtual ~__c_node();
virtual bool __dereferenceable(const void*) const = 0;
virtual bool __decrementable(const void*) const = 0;
virtual bool __addable(const void*, ptrdiff_t) const = 0;
virtual bool __subscriptable(const void*, ptrdiff_t) const = 0;
void __add(__i_node* __i);
_LIBCPP_HIDDEN void __remove(__i_node* __i);
};
template <class _Cont>
struct _C_node
: public __c_node
{
_C_node(void* __c, __c_node* __n)
: __c_node(__c, __n) {}
virtual bool __dereferenceable(const void*) const;
virtual bool __decrementable(const void*) const;
virtual bool __addable(const void*, ptrdiff_t) const;
virtual bool __subscriptable(const void*, ptrdiff_t) const;
};
template <class _Cont>
bool
_C_node<_Cont>::__dereferenceable(const void* __i) const
{
typedef typename _Cont::const_iterator iterator;
const iterator* __j = static_cast<const iterator*>(__i);
_Cont* _Cp = static_cast<_Cont*>(__c_);
return _Cp->__dereferenceable(__j);
}
template <class _Cont>
bool
_C_node<_Cont>::__decrementable(const void* __i) const
{
typedef typename _Cont::const_iterator iterator;
const iterator* __j = static_cast<const iterator*>(__i);
_Cont* _Cp = static_cast<_Cont*>(__c_);
return _Cp->__decrementable(__j);
}
template <class _Cont>
bool
_C_node<_Cont>::__addable(const void* __i, ptrdiff_t __n) const
{
typedef typename _Cont::const_iterator iterator;
const iterator* __j = static_cast<const iterator*>(__i);
_Cont* _Cp = static_cast<_Cont*>(__c_);
return _Cp->__addable(__j, __n);
}
template <class _Cont>
bool
_C_node<_Cont>::__subscriptable(const void* __i, ptrdiff_t __n) const
{
typedef typename _Cont::const_iterator iterator;
const iterator* __j = static_cast<const iterator*>(__i);
_Cont* _Cp = static_cast<_Cont*>(__c_);
return _Cp->__subscriptable(__j, __n);
}
class _LIBCPP_TYPE_VIS __libcpp_db
{
__c_node** __cbeg_;
__c_node** __cend_;
size_t __csz_;
__i_node** __ibeg_;
__i_node** __iend_;
size_t __isz_;
__libcpp_db();
public:
#ifndef _LIBCPP_HAS_NO_DELETED_FUNCTIONS
__libcpp_db(const __libcpp_db&) = delete;
__libcpp_db& operator=(const __libcpp_db&) = delete;
#else
private:
__libcpp_db(const __libcpp_db&);
__libcpp_db& operator=(const __libcpp_db&);
public:
#endif
~__libcpp_db();
class __db_c_iterator;
class __db_c_const_iterator;
class __db_i_iterator;
class __db_i_const_iterator;
__db_c_const_iterator __c_end() const;
__db_i_const_iterator __i_end() const;
template <class _Cont>
_LIBCPP_INLINE_VISIBILITY
void __insert_c(_Cont* __c)
{
__c_node* __n = __insert_c(static_cast<void*>(__c));
::new(__n) _C_node<_Cont>(__n->__c_, __n->__next_);
}
void __insert_i(void* __i);
__c_node* __insert_c(void* __c);
void __erase_c(void* __c);
void __insert_ic(void* __i, const void* __c);
void __iterator_copy(void* __i, const void* __i0);
void __erase_i(void* __i);
void* __find_c_from_i(void* __i) const;
void __invalidate_all(void* __c);
__c_node* __find_c_and_lock(void* __c) const;
__c_node* __find_c(void* __c) const;
void unlock() const;
void swap(void* __c1, void* __c2);
bool __dereferenceable(const void* __i) const;
bool __decrementable(const void* __i) const;
bool __addable(const void* __i, ptrdiff_t __n) const;
bool __subscriptable(const void* __i, ptrdiff_t __n) const;
bool __less_than_comparable(const void* __i, const void* __j) const;
private:
_LIBCPP_HIDDEN
__i_node* __insert_iterator(void* __i);
_LIBCPP_HIDDEN
__i_node* __find_iterator(const void* __i) const;
friend _LIBCPP_FUNC_VIS __libcpp_db* __get_db();
};
_LIBCPP_FUNC_VIS __libcpp_db* __get_db();
_LIBCPP_FUNC_VIS const __libcpp_db* __get_const_db();
_LIBCPP_END_NAMESPACE_STD
#endif
#endif // _LIBCPP_DEBUG_H

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// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_FUNCTIONAL_BASE
#define _LIBCPP_FUNCTIONAL_BASE
#include <__config>
#include <type_traits>
#include <typeinfo>
#include <exception>
#include <new>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
template <class _Arg, class _Result>
struct _LIBCPP_TYPE_VIS_ONLY unary_function
{
typedef _Arg argument_type;
typedef _Result result_type;
};
template <class _Arg1, class _Arg2, class _Result>
struct _LIBCPP_TYPE_VIS_ONLY binary_function
{
typedef _Arg1 first_argument_type;
typedef _Arg2 second_argument_type;
typedef _Result result_type;
};
template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY hash;
template <class _Tp>
struct __has_result_type
{
private:
struct __two {char __lx; char __lxx;};
template <class _Up> static __two __test(...);
template <class _Up> static char __test(typename _Up::result_type* = 0);
public:
static const bool value = sizeof(__test<_Tp>(0)) == 1;
};
#if _LIBCPP_STD_VER > 11
template <class _Tp = void>
#else
template <class _Tp>
#endif
struct _LIBCPP_TYPE_VIS_ONLY less : binary_function<_Tp, _Tp, bool>
{
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
bool operator()(const _Tp& __x, const _Tp& __y) const
{return __x < __y;}
};
#if _LIBCPP_STD_VER > 11
template <>
struct _LIBCPP_TYPE_VIS_ONLY less<void>
{
template <class _T1, class _T2>
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
auto operator()(_T1&& __t, _T2&& __u) const
{ return _VSTD::forward<_T1>(__t) < _VSTD::forward<_T2>(__u); }
typedef void is_transparent;
};
#endif
// addressof
template <class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
_Tp*
addressof(_Tp& __x) _NOEXCEPT
{
return (_Tp*)&reinterpret_cast<const volatile char&>(__x);
}
#if defined(_LIBCPP_HAS_OBJC_ARC) && !defined(_LIBCPP_PREDEFINED_OBJC_ARC_ADDRESSOF)
// Objective-C++ Automatic Reference Counting uses qualified pointers
// that require special addressof() signatures. When
// _LIBCPP_PREDEFINED_OBJC_ARC_ADDRESSOF is defined, the compiler
// itself is providing these definitions. Otherwise, we provide them.
template <class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
__strong _Tp*
addressof(__strong _Tp& __x) _NOEXCEPT
{
return &__x;
}
#ifdef _LIBCPP_HAS_OBJC_ARC_WEAK
template <class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
__weak _Tp*
addressof(__weak _Tp& __x) _NOEXCEPT
{
return &__x;
}
#endif
template <class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
__autoreleasing _Tp*
addressof(__autoreleasing _Tp& __x) _NOEXCEPT
{
return &__x;
}
template <class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
__unsafe_unretained _Tp*
addressof(__unsafe_unretained _Tp& __x) _NOEXCEPT
{
return &__x;
}
#endif
#ifdef _LIBCPP_HAS_NO_VARIADICS
#include <__functional_base_03>
#else // _LIBCPP_HAS_NO_VARIADICS
// __weak_result_type
template <class _Tp>
struct __derives_from_unary_function
{
private:
struct __two {char __lx; char __lxx;};
static __two __test(...);
template <class _Ap, class _Rp>
static unary_function<_Ap, _Rp>
__test(const volatile unary_function<_Ap, _Rp>*);
public:
static const bool value = !is_same<decltype(__test((_Tp*)0)), __two>::value;
typedef decltype(__test((_Tp*)0)) type;
};
template <class _Tp>
struct __derives_from_binary_function
{
private:
struct __two {char __lx; char __lxx;};
static __two __test(...);
template <class _A1, class _A2, class _Rp>
static binary_function<_A1, _A2, _Rp>
__test(const volatile binary_function<_A1, _A2, _Rp>*);
public:
static const bool value = !is_same<decltype(__test((_Tp*)0)), __two>::value;
typedef decltype(__test((_Tp*)0)) type;
};
template <class _Tp, bool = __derives_from_unary_function<_Tp>::value>
struct __maybe_derive_from_unary_function // bool is true
: public __derives_from_unary_function<_Tp>::type
{
};
template <class _Tp>
struct __maybe_derive_from_unary_function<_Tp, false>
{
};
template <class _Tp, bool = __derives_from_binary_function<_Tp>::value>
struct __maybe_derive_from_binary_function // bool is true
: public __derives_from_binary_function<_Tp>::type
{
};
template <class _Tp>
struct __maybe_derive_from_binary_function<_Tp, false>
{
};
template <class _Tp, bool = __has_result_type<_Tp>::value>
struct __weak_result_type_imp // bool is true
: public __maybe_derive_from_unary_function<_Tp>,
public __maybe_derive_from_binary_function<_Tp>
{
typedef typename _Tp::result_type result_type;
};
template <class _Tp>
struct __weak_result_type_imp<_Tp, false>
: public __maybe_derive_from_unary_function<_Tp>,
public __maybe_derive_from_binary_function<_Tp>
{
};
template <class _Tp>
struct __weak_result_type
: public __weak_result_type_imp<_Tp>
{
};
// 0 argument case
template <class _Rp>
struct __weak_result_type<_Rp ()>
{
typedef _Rp result_type;
};
template <class _Rp>
struct __weak_result_type<_Rp (&)()>
{
typedef _Rp result_type;
};
template <class _Rp>
struct __weak_result_type<_Rp (*)()>
{
typedef _Rp result_type;
};
// 1 argument case
template <class _Rp, class _A1>
struct __weak_result_type<_Rp (_A1)>
: public unary_function<_A1, _Rp>
{
};
template <class _Rp, class _A1>
struct __weak_result_type<_Rp (&)(_A1)>
: public unary_function<_A1, _Rp>
{
};
template <class _Rp, class _A1>
struct __weak_result_type<_Rp (*)(_A1)>
: public unary_function<_A1, _Rp>
{
};
template <class _Rp, class _Cp>
struct __weak_result_type<_Rp (_Cp::*)()>
: public unary_function<_Cp*, _Rp>
{
};
template <class _Rp, class _Cp>
struct __weak_result_type<_Rp (_Cp::*)() const>
: public unary_function<const _Cp*, _Rp>
{
};
template <class _Rp, class _Cp>
struct __weak_result_type<_Rp (_Cp::*)() volatile>
: public unary_function<volatile _Cp*, _Rp>
{
};
template <class _Rp, class _Cp>
struct __weak_result_type<_Rp (_Cp::*)() const volatile>
: public unary_function<const volatile _Cp*, _Rp>
{
};
// 2 argument case
template <class _Rp, class _A1, class _A2>
struct __weak_result_type<_Rp (_A1, _A2)>
: public binary_function<_A1, _A2, _Rp>
{
};
template <class _Rp, class _A1, class _A2>
struct __weak_result_type<_Rp (*)(_A1, _A2)>
: public binary_function<_A1, _A2, _Rp>
{
};
template <class _Rp, class _A1, class _A2>
struct __weak_result_type<_Rp (&)(_A1, _A2)>
: public binary_function<_A1, _A2, _Rp>
{
};
template <class _Rp, class _Cp, class _A1>
struct __weak_result_type<_Rp (_Cp::*)(_A1)>
: public binary_function<_Cp*, _A1, _Rp>
{
};
template <class _Rp, class _Cp, class _A1>
struct __weak_result_type<_Rp (_Cp::*)(_A1) const>
: public binary_function<const _Cp*, _A1, _Rp>
{
};
template <class _Rp, class _Cp, class _A1>
struct __weak_result_type<_Rp (_Cp::*)(_A1) volatile>
: public binary_function<volatile _Cp*, _A1, _Rp>
{
};
template <class _Rp, class _Cp, class _A1>
struct __weak_result_type<_Rp (_Cp::*)(_A1) const volatile>
: public binary_function<const volatile _Cp*, _A1, _Rp>
{
};
// 3 or more arguments
template <class _Rp, class _A1, class _A2, class _A3, class ..._A4>
struct __weak_result_type<_Rp (_A1, _A2, _A3, _A4...)>
{
typedef _Rp result_type;
};
template <class _Rp, class _A1, class _A2, class _A3, class ..._A4>
struct __weak_result_type<_Rp (&)(_A1, _A2, _A3, _A4...)>
{
typedef _Rp result_type;
};
template <class _Rp, class _A1, class _A2, class _A3, class ..._A4>
struct __weak_result_type<_Rp (*)(_A1, _A2, _A3, _A4...)>
{
typedef _Rp result_type;
};
template <class _Rp, class _Cp, class _A1, class _A2, class ..._A3>
struct __weak_result_type<_Rp (_Cp::*)(_A1, _A2, _A3...)>
{
typedef _Rp result_type;
};
template <class _Rp, class _Cp, class _A1, class _A2, class ..._A3>
struct __weak_result_type<_Rp (_Cp::*)(_A1, _A2, _A3...) const>
{
typedef _Rp result_type;
};
template <class _Rp, class _Cp, class _A1, class _A2, class ..._A3>
struct __weak_result_type<_Rp (_Cp::*)(_A1, _A2, _A3...) volatile>
{
typedef _Rp result_type;
};
template <class _Rp, class _Cp, class _A1, class _A2, class ..._A3>
struct __weak_result_type<_Rp (_Cp::*)(_A1, _A2, _A3...) const volatile>
{
typedef _Rp result_type;
};
// __invoke
// bullets 1 and 2
template <class _Fp, class _A0, class ..._Args,
class>
inline _LIBCPP_INLINE_VISIBILITY
auto
__invoke(_Fp&& __f, _A0&& __a0, _Args&& ...__args)
-> decltype((_VSTD::forward<_A0>(__a0).*__f)(_VSTD::forward<_Args>(__args)...))
{
return (_VSTD::forward<_A0>(__a0).*__f)(_VSTD::forward<_Args>(__args)...);
}
template <class _Fp, class _A0, class ..._Args,
class>
inline _LIBCPP_INLINE_VISIBILITY
auto
__invoke(_Fp&& __f, _A0&& __a0, _Args&& ...__args)
-> decltype(((*_VSTD::forward<_A0>(__a0)).*__f)(_VSTD::forward<_Args>(__args)...))
{
return ((*_VSTD::forward<_A0>(__a0)).*__f)(_VSTD::forward<_Args>(__args)...);
}
// bullets 3 and 4
template <class _Fp, class _A0,
class>
inline _LIBCPP_INLINE_VISIBILITY
auto
__invoke(_Fp&& __f, _A0&& __a0)
-> decltype(_VSTD::forward<_A0>(__a0).*__f)
{
return _VSTD::forward<_A0>(__a0).*__f;
}
template <class _Fp, class _A0,
class>
inline _LIBCPP_INLINE_VISIBILITY
auto
__invoke(_Fp&& __f, _A0&& __a0)
-> decltype((*_VSTD::forward<_A0>(__a0)).*__f)
{
return (*_VSTD::forward<_A0>(__a0)).*__f;
}
// bullet 5
template <class _Fp, class ..._Args>
inline _LIBCPP_INLINE_VISIBILITY
auto
__invoke(_Fp&& __f, _Args&& ...__args)
-> decltype(_VSTD::forward<_Fp>(__f)(_VSTD::forward<_Args>(__args)...))
{
return _VSTD::forward<_Fp>(__f)(_VSTD::forward<_Args>(__args)...);
}
template <class _Tp, class ..._Args>
struct __invoke_return
{
typedef decltype(__invoke(_VSTD::declval<_Tp>(), _VSTD::declval<_Args>()...)) type;
};
template <class _Tp>
class _LIBCPP_TYPE_VIS_ONLY reference_wrapper
: public __weak_result_type<_Tp>
{
public:
// types
typedef _Tp type;
private:
type* __f_;
public:
// construct/copy/destroy
_LIBCPP_INLINE_VISIBILITY reference_wrapper(type& __f) _NOEXCEPT
: __f_(_VSTD::addressof(__f)) {}
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
private: reference_wrapper(type&&); public: // = delete; // do not bind to temps
#endif
// access
_LIBCPP_INLINE_VISIBILITY operator type& () const _NOEXCEPT {return *__f_;}
_LIBCPP_INLINE_VISIBILITY type& get() const _NOEXCEPT {return *__f_;}
// invoke
template <class... _ArgTypes>
_LIBCPP_INLINE_VISIBILITY
typename __invoke_of<type&, _ArgTypes...>::type
operator() (_ArgTypes&&... __args) const
{
return __invoke(get(), _VSTD::forward<_ArgTypes>(__args)...);
}
};
template <class _Tp> struct ____is_reference_wrapper : public false_type {};
template <class _Tp> struct ____is_reference_wrapper<reference_wrapper<_Tp> > : public true_type {};
template <class _Tp> struct __is_reference_wrapper
: public ____is_reference_wrapper<typename remove_cv<_Tp>::type> {};
template <class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
reference_wrapper<_Tp>
ref(_Tp& __t) _NOEXCEPT
{
return reference_wrapper<_Tp>(__t);
}
template <class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
reference_wrapper<_Tp>
ref(reference_wrapper<_Tp> __t) _NOEXCEPT
{
return ref(__t.get());
}
template <class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
reference_wrapper<const _Tp>
cref(const _Tp& __t) _NOEXCEPT
{
return reference_wrapper<const _Tp>(__t);
}
template <class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
reference_wrapper<const _Tp>
cref(reference_wrapper<_Tp> __t) _NOEXCEPT
{
return cref(__t.get());
}
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
#ifndef _LIBCPP_HAS_NO_DELETED_FUNCTIONS
template <class _Tp> void ref(const _Tp&&) = delete;
template <class _Tp> void cref(const _Tp&&) = delete;
#else // _LIBCPP_HAS_NO_DELETED_FUNCTIONS
template <class _Tp> void ref(const _Tp&&);// = delete;
template <class _Tp> void cref(const _Tp&&);// = delete;
#endif // _LIBCPP_HAS_NO_DELETED_FUNCTIONS
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
#endif // _LIBCPP_HAS_NO_VARIADICS
#if _LIBCPP_STD_VER > 11
template <class _Tp1, class _Tp2 = void>
struct __is_transparent
{
private:
struct __two {char __lx; char __lxx;};
template <class _Up> static __two __test(...);
template <class _Up> static char __test(typename _Up::is_transparent* = 0);
public:
static const bool value = sizeof(__test<_Tp1>(0)) == 1;
};
#endif
// allocator_arg_t
struct _LIBCPP_TYPE_VIS_ONLY allocator_arg_t { };
#if defined(_LIBCPP_HAS_NO_CONSTEXPR) || defined(_LIBCPP_BUILDING_MEMORY)
extern const allocator_arg_t allocator_arg;
#else
constexpr allocator_arg_t allocator_arg = allocator_arg_t();
#endif
// uses_allocator
template <class _Tp>
struct __has_allocator_type
{
private:
struct __two {char __lx; char __lxx;};
template <class _Up> static __two __test(...);
template <class _Up> static char __test(typename _Up::allocator_type* = 0);
public:
static const bool value = sizeof(__test<_Tp>(0)) == 1;
};
template <class _Tp, class _Alloc, bool = __has_allocator_type<_Tp>::value>
struct __uses_allocator
: public integral_constant<bool,
is_convertible<_Alloc, typename _Tp::allocator_type>::value>
{
};
template <class _Tp, class _Alloc>
struct __uses_allocator<_Tp, _Alloc, false>
: public false_type
{
};
template <class _Tp, class _Alloc>
struct _LIBCPP_TYPE_VIS_ONLY uses_allocator
: public __uses_allocator<_Tp, _Alloc>
{
};
#ifndef _LIBCPP_HAS_NO_VARIADICS
// allocator construction
template <class _Tp, class _Alloc, class ..._Args>
struct __uses_alloc_ctor_imp
{
static const bool __ua = uses_allocator<_Tp, _Alloc>::value;
static const bool __ic =
is_constructible<_Tp, allocator_arg_t, _Alloc, _Args...>::value;
static const int value = __ua ? 2 - __ic : 0;
};
template <class _Tp, class _Alloc, class ..._Args>
struct __uses_alloc_ctor
: integral_constant<int, __uses_alloc_ctor_imp<_Tp, _Alloc, _Args...>::value>
{};
template <class _Tp, class _Allocator, class... _Args>
inline _LIBCPP_INLINE_VISIBILITY
void __user_alloc_construct_impl (integral_constant<int, 0>, _Tp *__storage, const _Allocator &, _Args &&... __args )
{
new (__storage) _Tp (_VSTD::forward<_Args>(__args)...);
}
template <class _Tp, class _Allocator, class... _Args>
inline _LIBCPP_INLINE_VISIBILITY
void __user_alloc_construct_impl (integral_constant<int, 1>, _Tp *__storage, const _Allocator &__a, _Args &&... __args )
{
new (__storage) _Tp (allocator_arg, __a, _VSTD::forward<_Args>(__args)...);
}
template <class _Tp, class _Allocator, class... _Args>
inline _LIBCPP_INLINE_VISIBILITY
void __user_alloc_construct_impl (integral_constant<int, 2>, _Tp *__storage, const _Allocator &__a, _Args &&... __args )
{
new (__storage) _Tp (_VSTD::forward<_Args>(__args)..., __a);
}
template <class _Tp, class _Allocator, class... _Args>
inline _LIBCPP_INLINE_VISIBILITY
void __user_alloc_construct (_Tp *__storage, const _Allocator &__a, _Args &&... __args)
{
__user_alloc_construct_impl(
__uses_alloc_ctor<_Tp, _Allocator>(),
__storage, __a, _VSTD::forward<_Args>(__args)...
);
}
#endif // _LIBCPP_HAS_NO_VARIADICS
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_FUNCTIONAL_BASE

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// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP___MUTEX_BASE
#define _LIBCPP___MUTEX_BASE
#include <__config>
#include <chrono>
#include <system_error>
#include <pthread.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
class _LIBCPP_TYPE_VIS mutex
{
pthread_mutex_t __m_;
public:
_LIBCPP_INLINE_VISIBILITY
#ifndef _LIBCPP_HAS_NO_CONSTEXPR
constexpr mutex() _NOEXCEPT : __m_(PTHREAD_MUTEX_INITIALIZER) {}
#else
mutex() _NOEXCEPT {__m_ = (pthread_mutex_t)PTHREAD_MUTEX_INITIALIZER;}
#endif
~mutex();
private:
mutex(const mutex&);// = delete;
mutex& operator=(const mutex&);// = delete;
public:
void lock();
bool try_lock() _NOEXCEPT;
void unlock() _NOEXCEPT;
typedef pthread_mutex_t* native_handle_type;
_LIBCPP_INLINE_VISIBILITY native_handle_type native_handle() {return &__m_;}
};
struct _LIBCPP_TYPE_VIS defer_lock_t {};
struct _LIBCPP_TYPE_VIS try_to_lock_t {};
struct _LIBCPP_TYPE_VIS adopt_lock_t {};
#if defined(_LIBCPP_HAS_NO_CONSTEXPR) || defined(_LIBCPP_BUILDING_MUTEX)
extern const defer_lock_t defer_lock;
extern const try_to_lock_t try_to_lock;
extern const adopt_lock_t adopt_lock;
#else
constexpr defer_lock_t defer_lock = defer_lock_t();
constexpr try_to_lock_t try_to_lock = try_to_lock_t();
constexpr adopt_lock_t adopt_lock = adopt_lock_t();
#endif
template <class _Mutex>
class _LIBCPP_TYPE_VIS_ONLY lock_guard
{
public:
typedef _Mutex mutex_type;
private:
mutex_type& __m_;
public:
_LIBCPP_INLINE_VISIBILITY
explicit lock_guard(mutex_type& __m)
: __m_(__m) {__m_.lock();}
_LIBCPP_INLINE_VISIBILITY
lock_guard(mutex_type& __m, adopt_lock_t)
: __m_(__m) {}
_LIBCPP_INLINE_VISIBILITY
~lock_guard() {__m_.unlock();}
private:
lock_guard(lock_guard const&);// = delete;
lock_guard& operator=(lock_guard const&);// = delete;
};
template <class _Mutex>
class _LIBCPP_TYPE_VIS_ONLY unique_lock
{
public:
typedef _Mutex mutex_type;
private:
mutex_type* __m_;
bool __owns_;
public:
_LIBCPP_INLINE_VISIBILITY
unique_lock() _NOEXCEPT : __m_(nullptr), __owns_(false) {}
_LIBCPP_INLINE_VISIBILITY
explicit unique_lock(mutex_type& __m)
: __m_(&__m), __owns_(true) {__m_->lock();}
_LIBCPP_INLINE_VISIBILITY
unique_lock(mutex_type& __m, defer_lock_t) _NOEXCEPT
: __m_(&__m), __owns_(false) {}
_LIBCPP_INLINE_VISIBILITY
unique_lock(mutex_type& __m, try_to_lock_t)
: __m_(&__m), __owns_(__m.try_lock()) {}
_LIBCPP_INLINE_VISIBILITY
unique_lock(mutex_type& __m, adopt_lock_t)
: __m_(&__m), __owns_(true) {}
template <class _Clock, class _Duration>
_LIBCPP_INLINE_VISIBILITY
unique_lock(mutex_type& __m, const chrono::time_point<_Clock, _Duration>& __t)
: __m_(&__m), __owns_(__m.try_lock_until(__t)) {}
template <class _Rep, class _Period>
_LIBCPP_INLINE_VISIBILITY
unique_lock(mutex_type& __m, const chrono::duration<_Rep, _Period>& __d)
: __m_(&__m), __owns_(__m.try_lock_for(__d)) {}
_LIBCPP_INLINE_VISIBILITY
~unique_lock()
{
if (__owns_)
__m_->unlock();
}
private:
unique_lock(unique_lock const&); // = delete;
unique_lock& operator=(unique_lock const&); // = delete;
public:
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
_LIBCPP_INLINE_VISIBILITY
unique_lock(unique_lock&& __u) _NOEXCEPT
: __m_(__u.__m_), __owns_(__u.__owns_)
{__u.__m_ = nullptr; __u.__owns_ = false;}
_LIBCPP_INLINE_VISIBILITY
unique_lock& operator=(unique_lock&& __u) _NOEXCEPT
{
if (__owns_)
__m_->unlock();
__m_ = __u.__m_;
__owns_ = __u.__owns_;
__u.__m_ = nullptr;
__u.__owns_ = false;
return *this;
}
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
void lock();
bool try_lock();
template <class _Rep, class _Period>
bool try_lock_for(const chrono::duration<_Rep, _Period>& __d);
template <class _Clock, class _Duration>
bool try_lock_until(const chrono::time_point<_Clock, _Duration>& __t);
void unlock();
_LIBCPP_INLINE_VISIBILITY
void swap(unique_lock& __u) _NOEXCEPT
{
_VSTD::swap(__m_, __u.__m_);
_VSTD::swap(__owns_, __u.__owns_);
}
_LIBCPP_INLINE_VISIBILITY
mutex_type* release() _NOEXCEPT
{
mutex_type* __m = __m_;
__m_ = nullptr;
__owns_ = false;
return __m;
}
_LIBCPP_INLINE_VISIBILITY
bool owns_lock() const _NOEXCEPT {return __owns_;}
_LIBCPP_INLINE_VISIBILITY
_LIBCPP_EXPLICIT
operator bool () const _NOEXCEPT {return __owns_;}
_LIBCPP_INLINE_VISIBILITY
mutex_type* mutex() const _NOEXCEPT {return __m_;}
};
template <class _Mutex>
void
unique_lock<_Mutex>::lock()
{
if (__m_ == nullptr)
__throw_system_error(EPERM, "unique_lock::lock: references null mutex");
if (__owns_)
__throw_system_error(EDEADLK, "unique_lock::lock: already locked");
__m_->lock();
__owns_ = true;
}
template <class _Mutex>
bool
unique_lock<_Mutex>::try_lock()
{
if (__m_ == nullptr)
__throw_system_error(EPERM, "unique_lock::try_lock: references null mutex");
if (__owns_)
__throw_system_error(EDEADLK, "unique_lock::try_lock: already locked");
__owns_ = __m_->try_lock();
return __owns_;
}
template <class _Mutex>
template <class _Rep, class _Period>
bool
unique_lock<_Mutex>::try_lock_for(const chrono::duration<_Rep, _Period>& __d)
{
if (__m_ == nullptr)
__throw_system_error(EPERM, "unique_lock::try_lock_for: references null mutex");
if (__owns_)
__throw_system_error(EDEADLK, "unique_lock::try_lock_for: already locked");
__owns_ = __m_->try_lock_for(__d);
return __owns_;
}
template <class _Mutex>
template <class _Clock, class _Duration>
bool
unique_lock<_Mutex>::try_lock_until(const chrono::time_point<_Clock, _Duration>& __t)
{
if (__m_ == nullptr)
__throw_system_error(EPERM, "unique_lock::try_lock_until: references null mutex");
if (__owns_)
__throw_system_error(EDEADLK, "unique_lock::try_lock_until: already locked");
__owns_ = __m_->try_lock_until(__t);
return __owns_;
}
template <class _Mutex>
void
unique_lock<_Mutex>::unlock()
{
if (!__owns_)
__throw_system_error(EPERM, "unique_lock::unlock: not locked");
__m_->unlock();
__owns_ = false;
}
template <class _Mutex>
inline _LIBCPP_INLINE_VISIBILITY
void
swap(unique_lock<_Mutex>& __x, unique_lock<_Mutex>& __y) _NOEXCEPT
{__x.swap(__y);}
struct _LIBCPP_TYPE_VIS cv_status
{
enum __lx {
no_timeout,
timeout
};
__lx __v_;
_LIBCPP_INLINE_VISIBILITY cv_status(__lx __v) : __v_(__v) {}
_LIBCPP_INLINE_VISIBILITY operator int() const {return __v_;}
};
class _LIBCPP_TYPE_VIS condition_variable
{
pthread_cond_t __cv_;
public:
_LIBCPP_INLINE_VISIBILITY
#ifndef _LIBCPP_HAS_NO_CONSTEXPR
constexpr condition_variable() : __cv_(PTHREAD_COND_INITIALIZER) {}
#else
condition_variable() {__cv_ = (pthread_cond_t)PTHREAD_COND_INITIALIZER;}
#endif
~condition_variable();
private:
condition_variable(const condition_variable&); // = delete;
condition_variable& operator=(const condition_variable&); // = delete;
public:
void notify_one() _NOEXCEPT;
void notify_all() _NOEXCEPT;
void wait(unique_lock<mutex>& __lk);
template <class _Predicate>
void wait(unique_lock<mutex>& __lk, _Predicate __pred);
template <class _Clock, class _Duration>
cv_status
wait_until(unique_lock<mutex>& __lk,
const chrono::time_point<_Clock, _Duration>& __t);
template <class _Clock, class _Duration, class _Predicate>
bool
wait_until(unique_lock<mutex>& __lk,
const chrono::time_point<_Clock, _Duration>& __t,
_Predicate __pred);
template <class _Rep, class _Period>
cv_status
wait_for(unique_lock<mutex>& __lk,
const chrono::duration<_Rep, _Period>& __d);
template <class _Rep, class _Period, class _Predicate>
bool
wait_for(unique_lock<mutex>& __lk,
const chrono::duration<_Rep, _Period>& __d,
_Predicate __pred);
typedef pthread_cond_t* native_handle_type;
_LIBCPP_INLINE_VISIBILITY native_handle_type native_handle() {return &__cv_;}
private:
void __do_timed_wait(unique_lock<mutex>& __lk,
chrono::time_point<chrono::system_clock, chrono::nanoseconds>);
};
template <class _To, class _Rep, class _Period>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
chrono::__is_duration<_To>::value,
_To
>::type
__ceil(chrono::duration<_Rep, _Period> __d)
{
using namespace chrono;
_To __r = duration_cast<_To>(__d);
if (__r < __d)
++__r;
return __r;
}
template <class _Predicate>
void
condition_variable::wait(unique_lock<mutex>& __lk, _Predicate __pred)
{
while (!__pred())
wait(__lk);
}
template <class _Clock, class _Duration>
cv_status
condition_variable::wait_until(unique_lock<mutex>& __lk,
const chrono::time_point<_Clock, _Duration>& __t)
{
using namespace chrono;
wait_for(__lk, __t - _Clock::now());
return _Clock::now() < __t ? cv_status::no_timeout : cv_status::timeout;
}
template <class _Clock, class _Duration, class _Predicate>
bool
condition_variable::wait_until(unique_lock<mutex>& __lk,
const chrono::time_point<_Clock, _Duration>& __t,
_Predicate __pred)
{
while (!__pred())
{
if (wait_until(__lk, __t) == cv_status::timeout)
return __pred();
}
return true;
}
template <class _Rep, class _Period>
cv_status
condition_variable::wait_for(unique_lock<mutex>& __lk,
const chrono::duration<_Rep, _Period>& __d)
{
using namespace chrono;
if (__d <= __d.zero())
return cv_status::timeout;
typedef time_point<system_clock, duration<long double, nano> > __sys_tpf;
typedef time_point<system_clock, nanoseconds> __sys_tpi;
__sys_tpf _Max = __sys_tpi::max();
system_clock::time_point __s_now = system_clock::now();
steady_clock::time_point __c_now = steady_clock::now();
if (_Max - __d > __s_now)
__do_timed_wait(__lk, __s_now + __ceil<nanoseconds>(__d));
else
__do_timed_wait(__lk, __sys_tpi::max());
return steady_clock::now() - __c_now < __d ? cv_status::no_timeout :
cv_status::timeout;
}
template <class _Rep, class _Period, class _Predicate>
inline _LIBCPP_INLINE_VISIBILITY
bool
condition_variable::wait_for(unique_lock<mutex>& __lk,
const chrono::duration<_Rep, _Period>& __d,
_Predicate __pred)
{
return wait_until(__lk, chrono::steady_clock::now() + __d,
_VSTD::move(__pred));
}
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP___MUTEX_BASE

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// -*- C++ -*-
#ifndef _LIBCPP_SPLIT_BUFFER
#define _LIBCPP_SPLIT_BUFFER
#include <__config>
#include <type_traits>
#include <algorithm>
#include <__undef_min_max>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
template <bool>
class __split_buffer_common
{
protected:
void __throw_length_error() const;
void __throw_out_of_range() const;
};
template <class _Tp, class _Allocator = allocator<_Tp> >
struct __split_buffer
: private __split_buffer_common<true>
{
private:
__split_buffer(const __split_buffer&);
__split_buffer& operator=(const __split_buffer&);
public:
typedef _Tp value_type;
typedef _Allocator allocator_type;
typedef typename remove_reference<allocator_type>::type __alloc_rr;
typedef allocator_traits<__alloc_rr> __alloc_traits;
typedef value_type& reference;
typedef const value_type& const_reference;
typedef typename __alloc_traits::size_type size_type;
typedef typename __alloc_traits::difference_type difference_type;
typedef typename __alloc_traits::pointer pointer;
typedef typename __alloc_traits::const_pointer const_pointer;
typedef pointer iterator;
typedef const_pointer const_iterator;
pointer __first_;
pointer __begin_;
pointer __end_;
__compressed_pair<pointer, allocator_type> __end_cap_;
typedef typename add_lvalue_reference<allocator_type>::type __alloc_ref;
typedef typename add_lvalue_reference<allocator_type>::type __alloc_const_ref;
_LIBCPP_INLINE_VISIBILITY __alloc_rr& __alloc() _NOEXCEPT {return __end_cap_.second();}
_LIBCPP_INLINE_VISIBILITY const __alloc_rr& __alloc() const _NOEXCEPT {return __end_cap_.second();}
_LIBCPP_INLINE_VISIBILITY pointer& __end_cap() _NOEXCEPT {return __end_cap_.first();}
_LIBCPP_INLINE_VISIBILITY const pointer& __end_cap() const _NOEXCEPT {return __end_cap_.first();}
__split_buffer()
_NOEXCEPT_(is_nothrow_default_constructible<allocator_type>::value);
explicit __split_buffer(__alloc_rr& __a);
explicit __split_buffer(const __alloc_rr& __a);
__split_buffer(size_type __cap, size_type __start, __alloc_rr& __a);
~__split_buffer();
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
__split_buffer(__split_buffer&& __c)
_NOEXCEPT_(is_nothrow_move_constructible<allocator_type>::value);
__split_buffer(__split_buffer&& __c, const __alloc_rr& __a);
__split_buffer& operator=(__split_buffer&& __c)
_NOEXCEPT_((__alloc_traits::propagate_on_container_move_assignment::value &&
is_nothrow_move_assignable<allocator_type>::value) ||
!__alloc_traits::propagate_on_container_move_assignment::value);
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
_LIBCPP_INLINE_VISIBILITY iterator begin() _NOEXCEPT {return __begin_;}
_LIBCPP_INLINE_VISIBILITY const_iterator begin() const _NOEXCEPT {return __begin_;}
_LIBCPP_INLINE_VISIBILITY iterator end() _NOEXCEPT {return __end_;}
_LIBCPP_INLINE_VISIBILITY const_iterator end() const _NOEXCEPT {return __end_;}
_LIBCPP_INLINE_VISIBILITY
void clear() _NOEXCEPT
{__destruct_at_end(__begin_);}
_LIBCPP_INLINE_VISIBILITY size_type size() const {return static_cast<size_type>(__end_ - __begin_);}
_LIBCPP_INLINE_VISIBILITY bool empty() const {return __end_ == __begin_;}
_LIBCPP_INLINE_VISIBILITY size_type capacity() const {return static_cast<size_type>(__end_cap() - __first_);}
_LIBCPP_INLINE_VISIBILITY size_type __front_spare() const {return static_cast<size_type>(__begin_ - __first_);}
_LIBCPP_INLINE_VISIBILITY size_type __back_spare() const {return static_cast<size_type>(__end_cap() - __end_);}
_LIBCPP_INLINE_VISIBILITY reference front() {return *__begin_;}
_LIBCPP_INLINE_VISIBILITY const_reference front() const {return *__begin_;}
_LIBCPP_INLINE_VISIBILITY reference back() {return *(__end_ - 1);}
_LIBCPP_INLINE_VISIBILITY const_reference back() const {return *(__end_ - 1);}
void reserve(size_type __n);
void shrink_to_fit() _NOEXCEPT;
void push_front(const_reference __x);
_LIBCPP_INLINE_VISIBILITY void push_back(const_reference __x);
#if !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES)
void push_front(value_type&& __x);
void push_back(value_type&& __x);
#if !defined(_LIBCPP_HAS_NO_VARIADICS)
template <class... _Args>
void emplace_back(_Args&&... __args);
#endif // !defined(_LIBCPP_HAS_NO_VARIADICS)
#endif // !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES)
_LIBCPP_INLINE_VISIBILITY void pop_front() {__destruct_at_begin(__begin_+1);}
_LIBCPP_INLINE_VISIBILITY void pop_back() {__destruct_at_end(__end_-1);}
void __construct_at_end(size_type __n);
void __construct_at_end(size_type __n, const_reference __x);
template <class _InputIter>
typename enable_if
<
__is_input_iterator<_InputIter>::value &&
!__is_forward_iterator<_InputIter>::value,
void
>::type
__construct_at_end(_InputIter __first, _InputIter __last);
template <class _ForwardIterator>
typename enable_if
<
__is_forward_iterator<_ForwardIterator>::value,
void
>::type
__construct_at_end(_ForwardIterator __first, _ForwardIterator __last);
_LIBCPP_INLINE_VISIBILITY void __destruct_at_begin(pointer __new_begin)
{__destruct_at_begin(__new_begin, is_trivially_destructible<value_type>());}
void __destruct_at_begin(pointer __new_begin, false_type);
void __destruct_at_begin(pointer __new_begin, true_type);
_LIBCPP_INLINE_VISIBILITY
void __destruct_at_end(pointer __new_last) _NOEXCEPT
{__destruct_at_end(__new_last, false_type());}
_LIBCPP_INLINE_VISIBILITY
void __destruct_at_end(pointer __new_last, false_type) _NOEXCEPT;
_LIBCPP_INLINE_VISIBILITY
void __destruct_at_end(pointer __new_last, true_type) _NOEXCEPT;
void swap(__split_buffer& __x)
_NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value||
__is_nothrow_swappable<__alloc_rr>::value);
bool __invariants() const;
private:
_LIBCPP_INLINE_VISIBILITY
void __move_assign_alloc(__split_buffer& __c, true_type)
_NOEXCEPT_(is_nothrow_move_assignable<allocator_type>::value)
{
__alloc() = _VSTD::move(__c.__alloc());
}
_LIBCPP_INLINE_VISIBILITY
void __move_assign_alloc(__split_buffer&, false_type) _NOEXCEPT
{}
_LIBCPP_INLINE_VISIBILITY
static void __swap_alloc(__alloc_rr& __x, __alloc_rr& __y)
_NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value||
__is_nothrow_swappable<__alloc_rr>::value)
{__swap_alloc(__x, __y, integral_constant<bool,
__alloc_traits::propagate_on_container_swap::value>());}
_LIBCPP_INLINE_VISIBILITY
static void __swap_alloc(__alloc_rr& __x, __alloc_rr& __y, true_type)
_NOEXCEPT_(__is_nothrow_swappable<__alloc_rr>::value)
{
using _VSTD::swap;
swap(__x, __y);
}
_LIBCPP_INLINE_VISIBILITY
static void __swap_alloc(__alloc_rr&, __alloc_rr&, false_type) _NOEXCEPT
{}
};
template <class _Tp, class _Allocator>
bool
__split_buffer<_Tp, _Allocator>::__invariants() const
{
if (__first_ == nullptr)
{
if (__begin_ != nullptr)
return false;
if (__end_ != nullptr)
return false;
if (__end_cap() != nullptr)
return false;
}
else
{
if (__begin_ < __first_)
return false;
if (__end_ < __begin_)
return false;
if (__end_cap() < __end_)
return false;
}
return true;
}
// Default constructs __n objects starting at __end_
// throws if construction throws
// Precondition: __n > 0
// Precondition: size() + __n <= capacity()
// Postcondition: size() == size() + __n
template <class _Tp, class _Allocator>
void
__split_buffer<_Tp, _Allocator>::__construct_at_end(size_type __n)
{
__alloc_rr& __a = this->__alloc();
do
{
__alloc_traits::construct(__a, _VSTD::__to_raw_pointer(this->__end_));
++this->__end_;
--__n;
} while (__n > 0);
}
// Copy constructs __n objects starting at __end_ from __x
// throws if construction throws
// Precondition: __n > 0
// Precondition: size() + __n <= capacity()
// Postcondition: size() == old size() + __n
// Postcondition: [i] == __x for all i in [size() - __n, __n)
template <class _Tp, class _Allocator>
void
__split_buffer<_Tp, _Allocator>::__construct_at_end(size_type __n, const_reference __x)
{
__alloc_rr& __a = this->__alloc();
do
{
__alloc_traits::construct(__a, _VSTD::__to_raw_pointer(this->__end_), __x);
++this->__end_;
--__n;
} while (__n > 0);
}
template <class _Tp, class _Allocator>
template <class _InputIter>
typename enable_if
<
__is_input_iterator<_InputIter>::value &&
!__is_forward_iterator<_InputIter>::value,
void
>::type
__split_buffer<_Tp, _Allocator>::__construct_at_end(_InputIter __first, _InputIter __last)
{
__alloc_rr& __a = this->__alloc();
for (; __first != __last; ++__first)
{
if (__end_ == __end_cap())
{
size_type __old_cap = __end_cap() - __first_;
size_type __new_cap = _VSTD::max<size_type>(2 * __old_cap, 8);
__split_buffer __buf(__new_cap, 0, __a);
for (pointer __p = __begin_; __p != __end_; ++__p, ++__buf.__end_)
__alloc_traits::construct(__buf.__alloc(),
_VSTD::__to_raw_pointer(__buf.__end_), _VSTD::move(*__p));
swap(__buf);
}
__alloc_traits::construct(__a, _VSTD::__to_raw_pointer(this->__end_), *__first);
++this->__end_;
}
}
template <class _Tp, class _Allocator>
template <class _ForwardIterator>
typename enable_if
<
__is_forward_iterator<_ForwardIterator>::value,
void
>::type
__split_buffer<_Tp, _Allocator>::__construct_at_end(_ForwardIterator __first, _ForwardIterator __last)
{
__alloc_rr& __a = this->__alloc();
for (; __first != __last; ++__first)
{
__alloc_traits::construct(__a, _VSTD::__to_raw_pointer(this->__end_), *__first);
++this->__end_;
}
}
template <class _Tp, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
void
__split_buffer<_Tp, _Allocator>::__destruct_at_begin(pointer __new_begin, false_type)
{
while (__begin_ != __new_begin)
__alloc_traits::destroy(__alloc(), __to_raw_pointer(__begin_++));
}
template <class _Tp, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
void
__split_buffer<_Tp, _Allocator>::__destruct_at_begin(pointer __new_begin, true_type)
{
__begin_ = __new_begin;
}
template <class _Tp, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
void
__split_buffer<_Tp, _Allocator>::__destruct_at_end(pointer __new_last, false_type) _NOEXCEPT
{
while (__new_last != __end_)
__alloc_traits::destroy(__alloc(), __to_raw_pointer(--__end_));
}
template <class _Tp, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
void
__split_buffer<_Tp, _Allocator>::__destruct_at_end(pointer __new_last, true_type) _NOEXCEPT
{
__end_ = __new_last;
}
template <class _Tp, class _Allocator>
__split_buffer<_Tp, _Allocator>::__split_buffer(size_type __cap, size_type __start, __alloc_rr& __a)
: __end_cap_(nullptr, __a)
{
__first_ = __cap != 0 ? __alloc_traits::allocate(__alloc(), __cap) : nullptr;
__begin_ = __end_ = __first_ + __start;
__end_cap() = __first_ + __cap;
}
template <class _Tp, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
__split_buffer<_Tp, _Allocator>::__split_buffer()
_NOEXCEPT_(is_nothrow_default_constructible<allocator_type>::value)
: __first_(nullptr), __begin_(nullptr), __end_(nullptr), __end_cap_(nullptr)
{
}
template <class _Tp, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
__split_buffer<_Tp, _Allocator>::__split_buffer(__alloc_rr& __a)
: __first_(nullptr), __begin_(nullptr), __end_(nullptr), __end_cap_(nullptr, __a)
{
}
template <class _Tp, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
__split_buffer<_Tp, _Allocator>::__split_buffer(const __alloc_rr& __a)
: __first_(nullptr), __begin_(nullptr), __end_(nullptr), __end_cap_(nullptr, __a)
{
}
template <class _Tp, class _Allocator>
__split_buffer<_Tp, _Allocator>::~__split_buffer()
{
clear();
if (__first_)
__alloc_traits::deallocate(__alloc(), __first_, capacity());
}
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
template <class _Tp, class _Allocator>
__split_buffer<_Tp, _Allocator>::__split_buffer(__split_buffer&& __c)
_NOEXCEPT_(is_nothrow_move_constructible<allocator_type>::value)
: __first_(_VSTD::move(__c.__first_)),
__begin_(_VSTD::move(__c.__begin_)),
__end_(_VSTD::move(__c.__end_)),
__end_cap_(_VSTD::move(__c.__end_cap_))
{
__c.__first_ = nullptr;
__c.__begin_ = nullptr;
__c.__end_ = nullptr;
__c.__end_cap() = nullptr;
}
template <class _Tp, class _Allocator>
__split_buffer<_Tp, _Allocator>::__split_buffer(__split_buffer&& __c, const __alloc_rr& __a)
: __end_cap_(__a)
{
if (__a == __c.__alloc())
{
__first_ = __c.__first_;
__begin_ = __c.__begin_;
__end_ = __c.__end_;
__end_cap() = __c.__end_cap();
__c.__first_ = nullptr;
__c.__begin_ = nullptr;
__c.__end_ = nullptr;
__c.__end_cap() = nullptr;
}
else
{
size_type __cap = __c.size();
__first_ = __alloc_traits::allocate(__alloc(), __cap);
__begin_ = __end_ = __first_;
__end_cap() = __first_ + __cap;
typedef move_iterator<iterator> _Ip;
__construct_at_end(_Ip(__c.begin()), _Ip(__c.end()));
}
}
template <class _Tp, class _Allocator>
__split_buffer<_Tp, _Allocator>&
__split_buffer<_Tp, _Allocator>::operator=(__split_buffer&& __c)
_NOEXCEPT_((__alloc_traits::propagate_on_container_move_assignment::value &&
is_nothrow_move_assignable<allocator_type>::value) ||
!__alloc_traits::propagate_on_container_move_assignment::value)
{
clear();
shrink_to_fit();
__first_ = __c.__first_;
__begin_ = __c.__begin_;
__end_ = __c.__end_;
__end_cap() = __c.__end_cap();
__move_assign_alloc(__c,
integral_constant<bool,
__alloc_traits::propagate_on_container_move_assignment::value>());
__c.__first_ = __c.__begin_ = __c.__end_ = __c.__end_cap() = nullptr;
return *this;
}
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
template <class _Tp, class _Allocator>
void
__split_buffer<_Tp, _Allocator>::swap(__split_buffer& __x)
_NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value||
__is_nothrow_swappable<__alloc_rr>::value)
{
_VSTD::swap(__first_, __x.__first_);
_VSTD::swap(__begin_, __x.__begin_);
_VSTD::swap(__end_, __x.__end_);
_VSTD::swap(__end_cap(), __x.__end_cap());
__swap_alloc(__alloc(), __x.__alloc());
}
template <class _Tp, class _Allocator>
void
__split_buffer<_Tp, _Allocator>::reserve(size_type __n)
{
if (__n < capacity())
{
__split_buffer<value_type, __alloc_rr&> __t(__n, 0, __alloc());
__t.__construct_at_end(move_iterator<pointer>(__begin_),
move_iterator<pointer>(__end_));
_VSTD::swap(__first_, __t.__first_);
_VSTD::swap(__begin_, __t.__begin_);
_VSTD::swap(__end_, __t.__end_);
_VSTD::swap(__end_cap(), __t.__end_cap());
}
}
template <class _Tp, class _Allocator>
void
__split_buffer<_Tp, _Allocator>::shrink_to_fit() _NOEXCEPT
{
if (capacity() > size())
{
#ifndef _LIBCPP_NO_EXCEPTIONS
try
{
#endif // _LIBCPP_NO_EXCEPTIONS
__split_buffer<value_type, __alloc_rr&> __t(size(), 0, __alloc());
__t.__construct_at_end(move_iterator<pointer>(__begin_),
move_iterator<pointer>(__end_));
__t.__end_ = __t.__begin_ + (__end_ - __begin_);
_VSTD::swap(__first_, __t.__first_);
_VSTD::swap(__begin_, __t.__begin_);
_VSTD::swap(__end_, __t.__end_);
_VSTD::swap(__end_cap(), __t.__end_cap());
#ifndef _LIBCPP_NO_EXCEPTIONS
}
catch (...)
{
}
#endif // _LIBCPP_NO_EXCEPTIONS
}
}
template <class _Tp, class _Allocator>
void
__split_buffer<_Tp, _Allocator>::push_front(const_reference __x)
{
if (__begin_ == __first_)
{
if (__end_ < __end_cap())
{
difference_type __d = __end_cap() - __end_;
__d = (__d + 1) / 2;
__begin_ = _VSTD::move_backward(__begin_, __end_, __end_ + __d);
__end_ += __d;
}
else
{
size_type __c = max<size_type>(2 * static_cast<size_t>(__end_cap() - __first_), 1);
__split_buffer<value_type, __alloc_rr&> __t(__c, (__c + 3) / 4, __alloc());
__t.__construct_at_end(move_iterator<pointer>(__begin_),
move_iterator<pointer>(__end_));
_VSTD::swap(__first_, __t.__first_);
_VSTD::swap(__begin_, __t.__begin_);
_VSTD::swap(__end_, __t.__end_);
_VSTD::swap(__end_cap(), __t.__end_cap());
}
}
__alloc_traits::construct(__alloc(), _VSTD::__to_raw_pointer(__begin_-1), __x);
--__begin_;
}
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
template <class _Tp, class _Allocator>
void
__split_buffer<_Tp, _Allocator>::push_front(value_type&& __x)
{
if (__begin_ == __first_)
{
if (__end_ < __end_cap())
{
difference_type __d = __end_cap() - __end_;
__d = (__d + 1) / 2;
__begin_ = _VSTD::move_backward(__begin_, __end_, __end_ + __d);
__end_ += __d;
}
else
{
size_type __c = max<size_type>(2 * static_cast<size_t>(__end_cap() - __first_), 1);
__split_buffer<value_type, __alloc_rr&> __t(__c, (__c + 3) / 4, __alloc());
__t.__construct_at_end(move_iterator<pointer>(__begin_),
move_iterator<pointer>(__end_));
_VSTD::swap(__first_, __t.__first_);
_VSTD::swap(__begin_, __t.__begin_);
_VSTD::swap(__end_, __t.__end_);
_VSTD::swap(__end_cap(), __t.__end_cap());
}
}
__alloc_traits::construct(__alloc(), _VSTD::__to_raw_pointer(__begin_-1),
_VSTD::move(__x));
--__begin_;
}
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
template <class _Tp, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
void
__split_buffer<_Tp, _Allocator>::push_back(const_reference __x)
{
if (__end_ == __end_cap())
{
if (__begin_ > __first_)
{
difference_type __d = __begin_ - __first_;
__d = (__d + 1) / 2;
__end_ = _VSTD::move(__begin_, __end_, __begin_ - __d);
__begin_ -= __d;
}
else
{
size_type __c = max<size_type>(2 * static_cast<size_t>(__end_cap() - __first_), 1);
__split_buffer<value_type, __alloc_rr&> __t(__c, __c / 4, __alloc());
__t.__construct_at_end(move_iterator<pointer>(__begin_),
move_iterator<pointer>(__end_));
_VSTD::swap(__first_, __t.__first_);
_VSTD::swap(__begin_, __t.__begin_);
_VSTD::swap(__end_, __t.__end_);
_VSTD::swap(__end_cap(), __t.__end_cap());
}
}
__alloc_traits::construct(__alloc(), _VSTD::__to_raw_pointer(__end_), __x);
++__end_;
}
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
template <class _Tp, class _Allocator>
void
__split_buffer<_Tp, _Allocator>::push_back(value_type&& __x)
{
if (__end_ == __end_cap())
{
if (__begin_ > __first_)
{
difference_type __d = __begin_ - __first_;
__d = (__d + 1) / 2;
__end_ = _VSTD::move(__begin_, __end_, __begin_ - __d);
__begin_ -= __d;
}
else
{
size_type __c = max<size_type>(2 * static_cast<size_t>(__end_cap() - __first_), 1);
__split_buffer<value_type, __alloc_rr&> __t(__c, __c / 4, __alloc());
__t.__construct_at_end(move_iterator<pointer>(__begin_),
move_iterator<pointer>(__end_));
_VSTD::swap(__first_, __t.__first_);
_VSTD::swap(__begin_, __t.__begin_);
_VSTD::swap(__end_, __t.__end_);
_VSTD::swap(__end_cap(), __t.__end_cap());
}
}
__alloc_traits::construct(__alloc(), _VSTD::__to_raw_pointer(__end_),
_VSTD::move(__x));
++__end_;
}
#ifndef _LIBCPP_HAS_NO_VARIADICS
template <class _Tp, class _Allocator>
template <class... _Args>
void
__split_buffer<_Tp, _Allocator>::emplace_back(_Args&&... __args)
{
if (__end_ == __end_cap())
{
if (__begin_ > __first_)
{
difference_type __d = __begin_ - __first_;
__d = (__d + 1) / 2;
__end_ = _VSTD::move(__begin_, __end_, __begin_ - __d);
__begin_ -= __d;
}
else
{
size_type __c = max<size_type>(2 * static_cast<size_t>(__end_cap() - __first_), 1);
__split_buffer<value_type, __alloc_rr&> __t(__c, __c / 4, __alloc());
__t.__construct_at_end(move_iterator<pointer>(__begin_),
move_iterator<pointer>(__end_));
_VSTD::swap(__first_, __t.__first_);
_VSTD::swap(__begin_, __t.__begin_);
_VSTD::swap(__end_, __t.__end_);
_VSTD::swap(__end_cap(), __t.__end_cap());
}
}
__alloc_traits::construct(__alloc(), _VSTD::__to_raw_pointer(__end_),
_VSTD::forward<_Args>(__args)...);
++__end_;
}
#endif // _LIBCPP_HAS_NO_VARIADICS
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
template <class _Tp, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
void
swap(__split_buffer<_Tp, _Allocator>& __x, __split_buffer<_Tp, _Allocator>& __y)
_NOEXCEPT_(_NOEXCEPT_(__x.swap(__y)))
{
__x.swap(__y);
}
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_SPLIT_BUFFER

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// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP___SSO_ALLOCATOR
#define _LIBCPP___SSO_ALLOCATOR
#include <__config>
#include <type_traits>
#include <new>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
template <class _Tp, size_t _Np> class _LIBCPP_HIDDEN __sso_allocator;
template <size_t _Np>
class _LIBCPP_HIDDEN __sso_allocator<void, _Np>
{
public:
typedef const void* const_pointer;
typedef void value_type;
};
template <class _Tp, size_t _Np>
class _LIBCPP_HIDDEN __sso_allocator
{
typename aligned_storage<sizeof(_Tp) * _Np>::type buf_;
bool __allocated_;
public:
typedef size_t size_type;
typedef _Tp* pointer;
typedef _Tp value_type;
_LIBCPP_INLINE_VISIBILITY __sso_allocator() throw() : __allocated_(false) {}
_LIBCPP_INLINE_VISIBILITY __sso_allocator(const __sso_allocator&) throw() : __allocated_(false) {}
template <class _Up> _LIBCPP_INLINE_VISIBILITY __sso_allocator(const __sso_allocator<_Up, _Np>&) throw()
: __allocated_(false) {}
private:
__sso_allocator& operator=(const __sso_allocator&);
public:
_LIBCPP_INLINE_VISIBILITY pointer allocate(size_type __n, typename __sso_allocator<void, _Np>::const_pointer = 0)
{
if (!__allocated_ && __n <= _Np)
{
__allocated_ = true;
return (pointer)&buf_;
}
return static_cast<pointer>(::operator new(__n * sizeof(_Tp)));
}
_LIBCPP_INLINE_VISIBILITY void deallocate(pointer __p, size_type)
{
if (__p == (pointer)&buf_)
__allocated_ = false;
else
::operator delete(__p);
}
_LIBCPP_INLINE_VISIBILITY size_type max_size() const throw() {return size_type(~0) / sizeof(_Tp);}
_LIBCPP_INLINE_VISIBILITY
bool operator==(__sso_allocator& __a) const {return &buf_ == &__a.buf_;}
_LIBCPP_INLINE_VISIBILITY
bool operator!=(__sso_allocator& __a) const {return &buf_ != &__a.buf_;}
};
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP___SSO_ALLOCATOR

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// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP___STD_STREAM
#define _LIBCPP___STD_STREAM
#include <__config>
#include <ostream>
#include <istream>
#include <__locale>
#include <cstdio>
#include <__undef_min_max>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
static const int __limit = 8;
// __stdinbuf
template <class _CharT>
class _LIBCPP_HIDDEN __stdinbuf
: public basic_streambuf<_CharT, char_traits<_CharT> >
{
public:
typedef _CharT char_type;
typedef char_traits<char_type> traits_type;
typedef typename traits_type::int_type int_type;
typedef typename traits_type::pos_type pos_type;
typedef typename traits_type::off_type off_type;
typedef typename traits_type::state_type state_type;
__stdinbuf(FILE* __fp, state_type* __st);
protected:
virtual int_type underflow();
virtual int_type uflow();
virtual int_type pbackfail(int_type __c = traits_type::eof());
virtual void imbue(const locale& __loc);
private:
FILE* __file_;
const codecvt<char_type, char, state_type>* __cv_;
state_type* __st_;
int __encoding_;
int_type __last_consumed_;
bool __last_consumed_is_next_;
bool __always_noconv_;
__stdinbuf(const __stdinbuf&);
__stdinbuf& operator=(const __stdinbuf&);
int_type __getchar(bool __consume);
};
template <class _CharT>
__stdinbuf<_CharT>::__stdinbuf(FILE* __fp, state_type* __st)
: __file_(__fp),
__st_(__st),
__last_consumed_(traits_type::eof()),
__last_consumed_is_next_(false)
{
imbue(this->getloc());
}
template <class _CharT>
void
__stdinbuf<_CharT>::imbue(const locale& __loc)
{
__cv_ = &use_facet<codecvt<char_type, char, state_type> >(__loc);
__encoding_ = __cv_->encoding();
__always_noconv_ = __cv_->always_noconv();
if (__encoding_ > __limit)
__throw_runtime_error("unsupported locale for standard input");
}
template <class _CharT>
typename __stdinbuf<_CharT>::int_type
__stdinbuf<_CharT>::underflow()
{
return __getchar(false);
}
template <class _CharT>
typename __stdinbuf<_CharT>::int_type
__stdinbuf<_CharT>::uflow()
{
return __getchar(true);
}
template <class _CharT>
typename __stdinbuf<_CharT>::int_type
__stdinbuf<_CharT>::__getchar(bool __consume)
{
if (__last_consumed_is_next_)
{
int_type __result = __last_consumed_;
if (__consume)
{
__last_consumed_ = traits_type::eof();
__last_consumed_is_next_ = false;
}
return __result;
}
char __extbuf[__limit];
int __nread = _VSTD::max(1, __encoding_);
for (int __i = 0; __i < __nread; ++__i)
{
int __c = getc(__file_);
if (__c == EOF)
return traits_type::eof();
__extbuf[__i] = static_cast<char>(__c);
}
char_type __1buf;
if (__always_noconv_)
__1buf = static_cast<char_type>(__extbuf[0]);
else
{
const char* __enxt;
char_type* __inxt;
codecvt_base::result __r;
do
{
state_type __sv_st = *__st_;
__r = __cv_->in(*__st_, __extbuf, __extbuf + __nread, __enxt,
&__1buf, &__1buf + 1, __inxt);
switch (__r)
{
case _VSTD::codecvt_base::ok:
break;
case codecvt_base::partial:
*__st_ = __sv_st;
if (__nread == sizeof(__extbuf))
return traits_type::eof();
{
int __c = getc(__file_);
if (__c == EOF)
return traits_type::eof();
__extbuf[__nread] = static_cast<char>(__c);
}
++__nread;
break;
case codecvt_base::error:
return traits_type::eof();
case _VSTD::codecvt_base::noconv:
__1buf = static_cast<char_type>(__extbuf[0]);
break;
}
} while (__r == _VSTD::codecvt_base::partial);
}
if (!__consume)
{
for (int __i = __nread; __i > 0;)
{
if (ungetc(traits_type::to_int_type(__extbuf[--__i]), __file_) == EOF)
return traits_type::eof();
}
}
else
__last_consumed_ = traits_type::to_int_type(__1buf);
return traits_type::to_int_type(__1buf);
}
template <class _CharT>
typename __stdinbuf<_CharT>::int_type
__stdinbuf<_CharT>::pbackfail(int_type __c)
{
if (traits_type::eq_int_type(__c, traits_type::eof()))
{
if (!__last_consumed_is_next_)
{
__c = __last_consumed_;
__last_consumed_is_next_ = !traits_type::eq_int_type(__last_consumed_,
traits_type::eof());
}
return __c;
}
if (__last_consumed_is_next_)
{
char __extbuf[__limit];
char* __enxt;
const char_type __ci = traits_type::to_char_type(__last_consumed_);
const char_type* __inxt;
switch (__cv_->out(*__st_, &__ci, &__ci + 1, __inxt,
__extbuf, __extbuf + sizeof(__extbuf), __enxt))
{
case _VSTD::codecvt_base::ok:
break;
case _VSTD::codecvt_base::noconv:
__extbuf[0] = static_cast<char>(__last_consumed_);
__enxt = __extbuf + 1;
break;
case codecvt_base::partial:
case codecvt_base::error:
return traits_type::eof();
}
while (__enxt > __extbuf)
if (ungetc(*--__enxt, __file_) == EOF)
return traits_type::eof();
}
__last_consumed_ = __c;
__last_consumed_is_next_ = true;
return __c;
}
// __stdoutbuf
template <class _CharT>
class _LIBCPP_HIDDEN __stdoutbuf
: public basic_streambuf<_CharT, char_traits<_CharT> >
{
public:
typedef _CharT char_type;
typedef char_traits<char_type> traits_type;
typedef typename traits_type::int_type int_type;
typedef typename traits_type::pos_type pos_type;
typedef typename traits_type::off_type off_type;
typedef typename traits_type::state_type state_type;
__stdoutbuf(FILE* __fp, state_type* __st);
protected:
virtual int_type overflow (int_type __c = traits_type::eof());
virtual streamsize xsputn(const char_type* __s, streamsize __n);
virtual int sync();
virtual void imbue(const locale& __loc);
private:
FILE* __file_;
const codecvt<char_type, char, state_type>* __cv_;
state_type* __st_;
bool __always_noconv_;
__stdoutbuf(const __stdoutbuf&);
__stdoutbuf& operator=(const __stdoutbuf&);
};
template <class _CharT>
__stdoutbuf<_CharT>::__stdoutbuf(FILE* __fp, state_type* __st)
: __file_(__fp),
__cv_(&use_facet<codecvt<char_type, char, state_type> >(this->getloc())),
__st_(__st),
__always_noconv_(__cv_->always_noconv())
{
}
template <class _CharT>
typename __stdoutbuf<_CharT>::int_type
__stdoutbuf<_CharT>::overflow(int_type __c)
{
char __extbuf[__limit];
char_type __1buf;
if (!traits_type::eq_int_type(__c, traits_type::eof()))
{
__1buf = traits_type::to_char_type(__c);
if (__always_noconv_)
{
if (fwrite(&__1buf, sizeof(char_type), 1, __file_) != 1)
return traits_type::eof();
}
else
{
char* __extbe = __extbuf;
codecvt_base::result __r;
char_type* pbase = &__1buf;
char_type* pptr = pbase + 1;
char_type* epptr = pptr;
do
{
const char_type* __e;
__r = __cv_->out(*__st_, pbase, pptr, __e,
__extbuf,
__extbuf + sizeof(__extbuf),
__extbe);
if (__e == pbase)
return traits_type::eof();
if (__r == codecvt_base::noconv)
{
if (fwrite(pbase, 1, 1, __file_) != 1)
return traits_type::eof();
}
else if (__r == codecvt_base::ok || __r == codecvt_base::partial)
{
size_t __nmemb = static_cast<size_t>(__extbe - __extbuf);
if (fwrite(__extbuf, 1, __nmemb, __file_) != __nmemb)
return traits_type::eof();
if (__r == codecvt_base::partial)
{
pbase = (char_type*)__e;
}
}
else
return traits_type::eof();
} while (__r == codecvt_base::partial);
}
}
return traits_type::not_eof(__c);
}
template <class _CharT>
streamsize
__stdoutbuf<_CharT>::xsputn(const char_type* __s, streamsize __n)
{
if (__always_noconv_)
return fwrite(__s, sizeof(char_type), __n, __file_);
streamsize __i = 0;
for (; __i < __n; ++__i, ++__s)
if (overflow(traits_type::to_int_type(*__s)) == traits_type::eof())
break;
return __i;
}
template <class _CharT>
int
__stdoutbuf<_CharT>::sync()
{
char __extbuf[__limit];
codecvt_base::result __r;
do
{
char* __extbe;
__r = __cv_->unshift(*__st_, __extbuf,
__extbuf + sizeof(__extbuf),
__extbe);
size_t __nmemb = static_cast<size_t>(__extbe - __extbuf);
if (fwrite(__extbuf, 1, __nmemb, __file_) != __nmemb)
return -1;
} while (__r == codecvt_base::partial);
if (__r == codecvt_base::error)
return -1;
if (fflush(__file_))
return -1;
return 0;
}
template <class _CharT>
void
__stdoutbuf<_CharT>::imbue(const locale& __loc)
{
sync();
__cv_ = &use_facet<codecvt<char_type, char, state_type> >(__loc);
__always_noconv_ = __cv_->always_noconv();
}
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP___STD_STREAM

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// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP___TUPLE
#define _LIBCPP___TUPLE
#include <__config>
#include <cstddef>
#include <type_traits>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
#ifdef _LIBCPP_HAS_NO_VARIADICS
#include <__tuple_03>
#else // _LIBCPP_HAS_NO_VARIADICS
_LIBCPP_BEGIN_NAMESPACE_STD
template <class _Tp> class _LIBCPP_TYPE_VIS_ONLY tuple_size;
template <class _Tp>
class _LIBCPP_TYPE_VIS_ONLY tuple_size<const _Tp>
: public tuple_size<_Tp> {};
template <class _Tp>
class _LIBCPP_TYPE_VIS_ONLY tuple_size<volatile _Tp>
: public tuple_size<_Tp> {};
template <class _Tp>
class _LIBCPP_TYPE_VIS_ONLY tuple_size<const volatile _Tp>
: public tuple_size<_Tp> {};
template <size_t _Ip, class _Tp> class _LIBCPP_TYPE_VIS_ONLY tuple_element;
template <size_t _Ip, class _Tp>
class _LIBCPP_TYPE_VIS_ONLY tuple_element<_Ip, const _Tp>
{
public:
typedef typename add_const<typename tuple_element<_Ip, _Tp>::type>::type type;
};
template <size_t _Ip, class _Tp>
class _LIBCPP_TYPE_VIS_ONLY tuple_element<_Ip, volatile _Tp>
{
public:
typedef typename add_volatile<typename tuple_element<_Ip, _Tp>::type>::type type;
};
template <size_t _Ip, class _Tp>
class _LIBCPP_TYPE_VIS_ONLY tuple_element<_Ip, const volatile _Tp>
{
public:
typedef typename add_cv<typename tuple_element<_Ip, _Tp>::type>::type type;
};
template <class ..._Tp> class _LIBCPP_TYPE_VIS_ONLY tuple;
template <class _T1, class _T2> struct _LIBCPP_TYPE_VIS_ONLY pair;
template <class _Tp, size_t _Size> struct _LIBCPP_TYPE_VIS_ONLY array;
template <class _Tp> struct __tuple_like : false_type {};
template <class _Tp> struct __tuple_like<const _Tp> : public __tuple_like<_Tp> {};
template <class _Tp> struct __tuple_like<volatile _Tp> : public __tuple_like<_Tp> {};
template <class _Tp> struct __tuple_like<const volatile _Tp> : public __tuple_like<_Tp> {};
template <class... _Tp> struct __tuple_like<tuple<_Tp...> > : true_type {};
template <class _T1, class _T2> struct __tuple_like<pair<_T1, _T2> > : true_type {};
template <class _Tp, size_t _Size> struct __tuple_like<array<_Tp, _Size> > : true_type {};
template <size_t _Ip, class ..._Tp>
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
typename tuple_element<_Ip, tuple<_Tp...> >::type&
get(tuple<_Tp...>&) _NOEXCEPT;
template <size_t _Ip, class ..._Tp>
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
const typename tuple_element<_Ip, tuple<_Tp...> >::type&
get(const tuple<_Tp...>&) _NOEXCEPT;
template <size_t _Ip, class ..._Tp>
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
typename tuple_element<_Ip, tuple<_Tp...> >::type&&
get(tuple<_Tp...>&&) _NOEXCEPT;
template <size_t _Ip, class _T1, class _T2>
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
typename tuple_element<_Ip, pair<_T1, _T2> >::type&
get(pair<_T1, _T2>&) _NOEXCEPT;
template <size_t _Ip, class _T1, class _T2>
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
const typename tuple_element<_Ip, pair<_T1, _T2> >::type&
get(const pair<_T1, _T2>&) _NOEXCEPT;
template <size_t _Ip, class _T1, class _T2>
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
typename tuple_element<_Ip, pair<_T1, _T2> >::type&&
get(pair<_T1, _T2>&&) _NOEXCEPT;
template <size_t _Ip, class _Tp, size_t _Size>
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
_Tp&
get(array<_Tp, _Size>&) _NOEXCEPT;
template <size_t _Ip, class _Tp, size_t _Size>
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
const _Tp&
get(const array<_Tp, _Size>&) _NOEXCEPT;
template <size_t _Ip, class _Tp, size_t _Size>
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
_Tp&&
get(array<_Tp, _Size>&&) _NOEXCEPT;
// __make_tuple_indices
template <size_t...> struct __tuple_indices {};
template <size_t _Sp, class _IntTuple, size_t _Ep>
struct __make_indices_imp;
template <size_t _Sp, size_t ..._Indices, size_t _Ep>
struct __make_indices_imp<_Sp, __tuple_indices<_Indices...>, _Ep>
{
typedef typename __make_indices_imp<_Sp+1, __tuple_indices<_Indices..., _Sp>, _Ep>::type type;
};
template <size_t _Ep, size_t ..._Indices>
struct __make_indices_imp<_Ep, __tuple_indices<_Indices...>, _Ep>
{
typedef __tuple_indices<_Indices...> type;
};
template <size_t _Ep, size_t _Sp = 0>
struct __make_tuple_indices
{
static_assert(_Sp <= _Ep, "__make_tuple_indices input error");
typedef typename __make_indices_imp<_Sp, __tuple_indices<>, _Ep>::type type;
};
// __tuple_types
template <class ..._Tp> struct __tuple_types {};
template <size_t _Ip>
class _LIBCPP_TYPE_VIS_ONLY tuple_element<_Ip, __tuple_types<> >
{
public:
static_assert(_Ip == 0, "tuple_element index out of range");
static_assert(_Ip != 0, "tuple_element index out of range");
};
template <class _Hp, class ..._Tp>
class _LIBCPP_TYPE_VIS_ONLY tuple_element<0, __tuple_types<_Hp, _Tp...> >
{
public:
typedef _Hp type;
};
template <size_t _Ip, class _Hp, class ..._Tp>
class _LIBCPP_TYPE_VIS_ONLY tuple_element<_Ip, __tuple_types<_Hp, _Tp...> >
{
public:
typedef typename tuple_element<_Ip-1, __tuple_types<_Tp...> >::type type;
};
template <class ..._Tp>
class _LIBCPP_TYPE_VIS_ONLY tuple_size<__tuple_types<_Tp...> >
: public integral_constant<size_t, sizeof...(_Tp)>
{
};
template <class... _Tp> struct __tuple_like<__tuple_types<_Tp...> > : true_type {};
// __make_tuple_types
// __make_tuple_types<_Tuple<_Types...>, _Ep, _Sp>::type is a
// __tuple_types<_Types...> using only those _Types in the range [_Sp, _Ep).
// _Sp defaults to 0 and _Ep defaults to tuple_size<_Tuple>. If _Tuple is a
// lvalue_reference type, then __tuple_types<_Types&...> is the result.
template <class _TupleTypes, class _Tp, size_t _Sp, size_t _Ep>
struct __make_tuple_types_imp;
template <class ..._Types, class _Tp, size_t _Sp, size_t _Ep>
struct __make_tuple_types_imp<__tuple_types<_Types...>, _Tp, _Sp, _Ep>
{
typedef typename remove_reference<_Tp>::type _Tpr;
typedef typename __make_tuple_types_imp<__tuple_types<_Types...,
typename conditional<is_lvalue_reference<_Tp>::value,
typename tuple_element<_Sp, _Tpr>::type&,
typename tuple_element<_Sp, _Tpr>::type>::type>,
_Tp, _Sp+1, _Ep>::type type;
};
template <class ..._Types, class _Tp, size_t _Ep>
struct __make_tuple_types_imp<__tuple_types<_Types...>, _Tp, _Ep, _Ep>
{
typedef __tuple_types<_Types...> type;
};
template <class _Tp, size_t _Ep = tuple_size<typename remove_reference<_Tp>::type>::value, size_t _Sp = 0>
struct __make_tuple_types
{
static_assert(_Sp <= _Ep, "__make_tuple_types input error");
typedef typename __make_tuple_types_imp<__tuple_types<>, _Tp, _Sp, _Ep>::type type;
};
// __tuple_convertible
template <bool, class _Tp, class _Up>
struct __tuple_convertible_imp : public false_type {};
template <class _Tp0, class ..._Tp, class _Up0, class ..._Up>
struct __tuple_convertible_imp<true, __tuple_types<_Tp0, _Tp...>, __tuple_types<_Up0, _Up...> >
: public integral_constant<bool,
is_convertible<_Tp0, _Up0>::value &&
__tuple_convertible_imp<true, __tuple_types<_Tp...>, __tuple_types<_Up...> >::value> {};
template <>
struct __tuple_convertible_imp<true, __tuple_types<>, __tuple_types<> >
: public true_type {};
template <class _Tp, class _Up, bool = __tuple_like<typename remove_reference<_Tp>::type>::value,
bool = __tuple_like<_Up>::value>
struct __tuple_convertible
: public false_type {};
template <class _Tp, class _Up>
struct __tuple_convertible<_Tp, _Up, true, true>
: public __tuple_convertible_imp<tuple_size<typename remove_reference<_Tp>::type>::value ==
tuple_size<_Up>::value,
typename __make_tuple_types<_Tp>::type, typename __make_tuple_types<_Up>::type>
{};
// __tuple_constructible
template <bool, class _Tp, class _Up>
struct __tuple_constructible_imp : public false_type {};
template <class _Tp0, class ..._Tp, class _Up0, class ..._Up>
struct __tuple_constructible_imp<true, __tuple_types<_Tp0, _Tp...>, __tuple_types<_Up0, _Up...> >
: public integral_constant<bool,
is_constructible<_Up0, _Tp0>::value &&
__tuple_constructible_imp<true, __tuple_types<_Tp...>, __tuple_types<_Up...> >::value> {};
template <>
struct __tuple_constructible_imp<true, __tuple_types<>, __tuple_types<> >
: public true_type {};
template <class _Tp, class _Up, bool = __tuple_like<typename remove_reference<_Tp>::type>::value,
bool = __tuple_like<_Up>::value>
struct __tuple_constructible
: public false_type {};
template <class _Tp, class _Up>
struct __tuple_constructible<_Tp, _Up, true, true>
: public __tuple_constructible_imp<tuple_size<typename remove_reference<_Tp>::type>::value ==
tuple_size<_Up>::value,
typename __make_tuple_types<_Tp>::type, typename __make_tuple_types<_Up>::type>
{};
// __tuple_assignable
template <bool, class _Tp, class _Up>
struct __tuple_assignable_imp : public false_type {};
template <class _Tp0, class ..._Tp, class _Up0, class ..._Up>
struct __tuple_assignable_imp<true, __tuple_types<_Tp0, _Tp...>, __tuple_types<_Up0, _Up...> >
: public integral_constant<bool,
is_assignable<_Up0&, _Tp0>::value &&
__tuple_assignable_imp<true, __tuple_types<_Tp...>, __tuple_types<_Up...> >::value> {};
template <>
struct __tuple_assignable_imp<true, __tuple_types<>, __tuple_types<> >
: public true_type {};
template <class _Tp, class _Up, bool = __tuple_like<typename remove_reference<_Tp>::type>::value,
bool = __tuple_like<_Up>::value>
struct __tuple_assignable
: public false_type {};
template <class _Tp, class _Up>
struct __tuple_assignable<_Tp, _Up, true, true>
: public __tuple_assignable_imp<tuple_size<typename remove_reference<_Tp>::type>::value ==
tuple_size<_Up>::value,
typename __make_tuple_types<_Tp>::type, typename __make_tuple_types<_Up>::type>
{};
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_HAS_NO_VARIADICS
#endif // _LIBCPP___TUPLE

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// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP___TUPLE_03
#define _LIBCPP___TUPLE_03
#include <__config>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
template <class _Tp> class _LIBCPP_TYPE_VIS_ONLY tuple_size;
template <size_t _Ip, class _Tp> class _LIBCPP_TYPE_VIS_ONLY tuple_element;
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP___TUPLE_03

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// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifdef min
#if defined(_MSC_VER) && ! defined(__clang__)
_LIBCPP_WARNING("macro min is incompatible with C++. Try #define NOMINMAX "
"before any Windows header. #undefing min")
#else
#warning: macro min is incompatible with C++. #undefing min
#endif
#undef min
#endif
#ifdef max
#if defined(_MSC_VER) && ! defined(__clang__)
_LIBCPP_WARNING("macro max is incompatible with C++. Try #define NOMINMAX "
"before any Windows header. #undefing max")
#else
#warning: macro max is incompatible with C++. #undefing max
#endif
#undef max
#endif

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// -*- C++ -*-
//===---------------------------- array -----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_ARRAY
#define _LIBCPP_ARRAY
/*
array synopsis
namespace std
{
template <class T, size_t N >
struct array
{
// types:
typedef T & reference;
typedef const T & const_reference;
typedef implementation defined iterator;
typedef implementation defined const_iterator;
typedef size_t size_type;
typedef ptrdiff_t difference_type;
typedef T value_type;
typedef T* pointer;
typedef const T* const_pointer;
typedef std::reverse_iterator<iterator> reverse_iterator;
typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
// No explicit construct/copy/destroy for aggregate type
void fill(const T& u);
void swap(array& a) noexcept(noexcept(swap(declval<T&>(), declval<T&>())));
// iterators:
iterator begin() noexcept;
const_iterator begin() const noexcept;
iterator end() noexcept;
const_iterator end() const noexcept;
reverse_iterator rbegin() noexcept;
const_reverse_iterator rbegin() const noexcept;
reverse_iterator rend() noexcept;
const_reverse_iterator rend() const noexcept;
const_iterator cbegin() const noexcept;
const_iterator cend() const noexcept;
const_reverse_iterator crbegin() const noexcept;
const_reverse_iterator crend() const noexcept;
// capacity:
constexpr size_type size() const noexcept;
constexpr size_type max_size() const noexcept;
constexpr bool empty() const noexcept;
// element access:
reference operator[](size_type n);
const_reference operator[](size_type n) const; // constexpr in C++14
const_reference at(size_type n) const; // constexpr in C++14
reference at(size_type n);
reference front();
const_reference front() const; // constexpr in C++14
reference back();
const_reference back() const; // constexpr in C++14
T* data() noexcept;
const T* data() const noexcept;
};
template <class T, size_t N>
bool operator==(const array<T,N>& x, const array<T,N>& y);
template <class T, size_t N>
bool operator!=(const array<T,N>& x, const array<T,N>& y);
template <class T, size_t N>
bool operator<(const array<T,N>& x, const array<T,N>& y);
template <class T, size_t N>
bool operator>(const array<T,N>& x, const array<T,N>& y);
template <class T, size_t N>
bool operator<=(const array<T,N>& x, const array<T,N>& y);
template <class T, size_t N>
bool operator>=(const array<T,N>& x, const array<T,N>& y);
template <class T, size_t N >
void swap(array<T,N>& x, array<T,N>& y) noexcept(noexcept(x.swap(y)));
template <class T> class tuple_size;
template <int I, class T> class tuple_element;
template <class T, size_t N> struct tuple_size<array<T, N>>;
template <int I, class T, size_t N> struct tuple_element<I, array<T, N>>;
template <int I, class T, size_t N> T& get(array<T, N>&) noexcept; // constexpr in C++14
template <int I, class T, size_t N> const T& get(const array<T, N>&) noexcept; // constexpr in C++14
template <int I, class T, size_t N> T&& get(array<T, N>&&) noexcept; // constexpr in C++14
} // std
*/
#include <__config>
#include <__tuple>
#include <type_traits>
#include <utility>
#include <iterator>
#include <algorithm>
#include <stdexcept>
#if defined(_LIBCPP_NO_EXCEPTIONS)
#include <cassert>
#endif
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
template <class _Tp, size_t _Size>
struct _LIBCPP_TYPE_VIS_ONLY array
{
// types:
typedef array __self;
typedef _Tp value_type;
typedef value_type& reference;
typedef const value_type& const_reference;
typedef value_type* iterator;
typedef const value_type* const_iterator;
typedef value_type* pointer;
typedef const value_type* const_pointer;
typedef size_t size_type;
typedef ptrdiff_t difference_type;
typedef std::reverse_iterator<iterator> reverse_iterator;
typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
value_type __elems_[_Size > 0 ? _Size : 1];
// No explicit construct/copy/destroy for aggregate type
_LIBCPP_INLINE_VISIBILITY void fill(const value_type& __u)
{_VSTD::fill_n(__elems_, _Size, __u);}
_LIBCPP_INLINE_VISIBILITY
void swap(array& __a) _NOEXCEPT_(__is_nothrow_swappable<_Tp>::value)
{_VSTD::swap_ranges(__elems_, __elems_ + _Size, __a.__elems_);}
// iterators:
_LIBCPP_INLINE_VISIBILITY
iterator begin() _NOEXCEPT {return iterator(__elems_);}
_LIBCPP_INLINE_VISIBILITY
const_iterator begin() const _NOEXCEPT {return const_iterator(__elems_);}
_LIBCPP_INLINE_VISIBILITY
iterator end() _NOEXCEPT {return iterator(__elems_ + _Size);}
_LIBCPP_INLINE_VISIBILITY
const_iterator end() const _NOEXCEPT {return const_iterator(__elems_ + _Size);}
_LIBCPP_INLINE_VISIBILITY
reverse_iterator rbegin() _NOEXCEPT {return reverse_iterator(end());}
_LIBCPP_INLINE_VISIBILITY
const_reverse_iterator rbegin() const _NOEXCEPT {return const_reverse_iterator(end());}
_LIBCPP_INLINE_VISIBILITY
reverse_iterator rend() _NOEXCEPT {return reverse_iterator(begin());}
_LIBCPP_INLINE_VISIBILITY
const_reverse_iterator rend() const _NOEXCEPT {return const_reverse_iterator(begin());}
_LIBCPP_INLINE_VISIBILITY
const_iterator cbegin() const _NOEXCEPT {return begin();}
_LIBCPP_INLINE_VISIBILITY
const_iterator cend() const _NOEXCEPT {return end();}
_LIBCPP_INLINE_VISIBILITY
const_reverse_iterator crbegin() const _NOEXCEPT {return rbegin();}
_LIBCPP_INLINE_VISIBILITY
const_reverse_iterator crend() const _NOEXCEPT {return rend();}
// capacity:
_LIBCPP_INLINE_VISIBILITY
_LIBCPP_CONSTEXPR size_type size() const _NOEXCEPT {return _Size;}
_LIBCPP_INLINE_VISIBILITY
_LIBCPP_CONSTEXPR size_type max_size() const _NOEXCEPT {return _Size;}
_LIBCPP_INLINE_VISIBILITY
_LIBCPP_CONSTEXPR bool empty() const _NOEXCEPT {return _Size == 0;}
// element access:
_LIBCPP_INLINE_VISIBILITY reference operator[](size_type __n) {return __elems_[__n];}
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 const_reference operator[](size_type __n) const {return __elems_[__n];}
reference at(size_type __n);
_LIBCPP_CONSTEXPR_AFTER_CXX11 const_reference at(size_type __n) const;
_LIBCPP_INLINE_VISIBILITY reference front() {return __elems_[0];}
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 const_reference front() const {return __elems_[0];}
_LIBCPP_INLINE_VISIBILITY reference back() {return __elems_[_Size > 0 ? _Size-1 : 0];}
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 const_reference back() const {return __elems_[_Size > 0 ? _Size-1 : 0];}
_LIBCPP_INLINE_VISIBILITY
value_type* data() _NOEXCEPT {return __elems_;}
_LIBCPP_INLINE_VISIBILITY
const value_type* data() const _NOEXCEPT {return __elems_;}
};
template <class _Tp, size_t _Size>
typename array<_Tp, _Size>::reference
array<_Tp, _Size>::at(size_type __n)
{
if (__n >= _Size)
#ifndef _LIBCPP_NO_EXCEPTIONS
throw out_of_range("array::at");
#else
assert(!"array::at out_of_range");
#endif
return __elems_[__n];
}
template <class _Tp, size_t _Size>
_LIBCPP_CONSTEXPR_AFTER_CXX11
typename array<_Tp, _Size>::const_reference
array<_Tp, _Size>::at(size_type __n) const
{
if (__n >= _Size)
#ifndef _LIBCPP_NO_EXCEPTIONS
throw out_of_range("array::at");
#else
assert(!"array::at out_of_range");
#endif
return __elems_[__n];
}
template <class _Tp, size_t _Size>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator==(const array<_Tp, _Size>& __x, const array<_Tp, _Size>& __y)
{
return _VSTD::equal(__x.__elems_, __x.__elems_ + _Size, __y.__elems_);
}
template <class _Tp, size_t _Size>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator!=(const array<_Tp, _Size>& __x, const array<_Tp, _Size>& __y)
{
return !(__x == __y);
}
template <class _Tp, size_t _Size>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator<(const array<_Tp, _Size>& __x, const array<_Tp, _Size>& __y)
{
return _VSTD::lexicographical_compare(__x.__elems_, __x.__elems_ + _Size, __y.__elems_, __y.__elems_ + _Size);
}
template <class _Tp, size_t _Size>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator>(const array<_Tp, _Size>& __x, const array<_Tp, _Size>& __y)
{
return __y < __x;
}
template <class _Tp, size_t _Size>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator<=(const array<_Tp, _Size>& __x, const array<_Tp, _Size>& __y)
{
return !(__y < __x);
}
template <class _Tp, size_t _Size>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator>=(const array<_Tp, _Size>& __x, const array<_Tp, _Size>& __y)
{
return !(__x < __y);
}
template <class _Tp, size_t _Size>
inline _LIBCPP_INLINE_VISIBILITY
typename enable_if
<
__is_swappable<_Tp>::value,
void
>::type
swap(const array<_Tp, _Size>& __x, const array<_Tp, _Size>& __y)
_NOEXCEPT_(__is_nothrow_swappable<_Tp>::value)
{
__x.swap(__y);
}
template <class _Tp, size_t _Size>
class _LIBCPP_TYPE_VIS_ONLY tuple_size<array<_Tp, _Size> >
: public integral_constant<size_t, _Size> {};
template <class _Tp, size_t _Size>
class _LIBCPP_TYPE_VIS_ONLY tuple_size<const array<_Tp, _Size> >
: public integral_constant<size_t, _Size> {};
template <size_t _Ip, class _Tp, size_t _Size>
class _LIBCPP_TYPE_VIS_ONLY tuple_element<_Ip, array<_Tp, _Size> >
{
public:
typedef _Tp type;
};
template <size_t _Ip, class _Tp, size_t _Size>
class _LIBCPP_TYPE_VIS_ONLY tuple_element<_Ip, const array<_Tp, _Size> >
{
public:
typedef const _Tp type;
};
template <size_t _Ip, class _Tp, size_t _Size>
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
_Tp&
get(array<_Tp, _Size>& __a) _NOEXCEPT
{
static_assert(_Ip < _Size, "Index out of bounds in std::get<> (std::array)");
return __a.__elems_[_Ip];
}
template <size_t _Ip, class _Tp, size_t _Size>
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
const _Tp&
get(const array<_Tp, _Size>& __a) _NOEXCEPT
{
static_assert(_Ip < _Size, "Index out of bounds in std::get<> (const std::array)");
return __a.__elems_[_Ip];
}
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
template <size_t _Ip, class _Tp, size_t _Size>
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
_Tp&&
get(array<_Tp, _Size>&& __a) _NOEXCEPT
{
static_assert(_Ip < _Size, "Index out of bounds in std::get<> (std::array &&)");
return _VSTD::move(__a.__elems_[_Ip]);
}
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_ARRAY

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// -*- C++ -*-
//===-------------------------- cassert -----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
/*
cassert synopsis
Macros:
assert
*/
#include <__config>
#include <assert.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif

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// -*- C++ -*-
//===--------------------------- ccomplex ---------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_CCOMPLEX
#define _LIBCPP_CCOMPLEX
/*
ccomplex synopsis
#include <complex>
*/
#include <complex>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
// hh 080623 Created
#endif // _LIBCPP_CCOMPLEX

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// -*- C++ -*-
//===---------------------------- cctype ----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_CCTYPE
#define _LIBCPP_CCTYPE
/*
cctype synopsis
namespace std
{
int isalnum(int c);
int isalpha(int c);
int isblank(int c); // C99
int iscntrl(int c);
int isdigit(int c);
int isgraph(int c);
int islower(int c);
int isprint(int c);
int ispunct(int c);
int isspace(int c);
int isupper(int c);
int isxdigit(int c);
int tolower(int c);
int toupper(int c);
} // std
*/
#include <__config>
#include <ctype.h>
#if defined(_LIBCPP_MSVCRT)
#include "support/win32/support.h"
#endif // _LIBCPP_MSVCRT
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
#ifdef isalnum
inline _LIBCPP_INLINE_VISIBILITY int __libcpp_isalnum(int __c) {return isalnum(__c);}
#undef isalnum
inline _LIBCPP_INLINE_VISIBILITY int isalnum(int __c) {return __libcpp_isalnum(__c);}
#else // isalnum
using ::isalnum;
#endif // isalnum
#ifdef isalpha
inline _LIBCPP_INLINE_VISIBILITY int __libcpp_isalpha(int __c) {return isalpha(__c);}
#undef isalpha
inline _LIBCPP_INLINE_VISIBILITY int isalpha(int __c) {return __libcpp_isalpha(__c);}
#else // isalpha
using ::isalpha;
#endif // isalpha
#ifdef isblank
inline _LIBCPP_INLINE_VISIBILITY int __libcpp_isblank(int __c) {return isblank(__c);}
#undef isblank
inline _LIBCPP_INLINE_VISIBILITY int isblank(int __c) {return __libcpp_isblank(__c);}
#else // isblank
using ::isblank;
#endif // isblank
#ifdef iscntrl
inline _LIBCPP_INLINE_VISIBILITY int __libcpp_iscntrl(int __c) {return iscntrl(__c);}
#undef iscntrl
inline _LIBCPP_INLINE_VISIBILITY int iscntrl(int __c) {return __libcpp_iscntrl(__c);}
#else // iscntrl
using ::iscntrl;
#endif // iscntrl
#ifdef isdigit
inline _LIBCPP_INLINE_VISIBILITY int __libcpp_isdigit(int __c) {return isdigit(__c);}
#undef isdigit
inline _LIBCPP_INLINE_VISIBILITY int isdigit(int __c) {return __libcpp_isdigit(__c);}
#else // isdigit
using ::isdigit;
#endif // isdigit
#ifdef isgraph
inline _LIBCPP_INLINE_VISIBILITY int __libcpp_isgraph(int __c) {return isgraph(__c);}
#undef isgraph
inline _LIBCPP_INLINE_VISIBILITY int isgraph(int __c) {return __libcpp_isgraph(__c);}
#else // isgraph
using ::isgraph;
#endif // isgraph
#ifdef islower
inline _LIBCPP_INLINE_VISIBILITY int __libcpp_islower(int __c) {return islower(__c);}
#undef islower
inline _LIBCPP_INLINE_VISIBILITY int islower(int __c) {return __libcpp_islower(__c);}
#else // islower
using ::islower;
#endif // islower
#ifdef isprint
inline _LIBCPP_INLINE_VISIBILITY int __libcpp_isprint(int __c) {return isprint(__c);}
#undef isprint
inline _LIBCPP_INLINE_VISIBILITY int isprint(int __c) {return __libcpp_isprint(__c);}
#else // isprint
using ::isprint;
#endif // isprint
#ifdef ispunct
inline _LIBCPP_INLINE_VISIBILITY int __libcpp_ispunct(int __c) {return ispunct(__c);}
#undef ispunct
inline _LIBCPP_INLINE_VISIBILITY int ispunct(int __c) {return __libcpp_ispunct(__c);}
#else // ispunct
using ::ispunct;
#endif // ispunct
#ifdef isspace
inline _LIBCPP_INLINE_VISIBILITY int __libcpp_isspace(int __c) {return isspace(__c);}
#undef isspace
inline _LIBCPP_INLINE_VISIBILITY int isspace(int __c) {return __libcpp_isspace(__c);}
#else // isspace
using ::isspace;
#endif // isspace
#ifdef isupper
inline _LIBCPP_INLINE_VISIBILITY int __libcpp_isupper(int __c) {return isupper(__c);}
#undef isupper
inline _LIBCPP_INLINE_VISIBILITY int isupper(int __c) {return __libcpp_isupper(__c);}
#else // isupper
using ::isupper;
#endif // isupper
#ifdef isxdigit
inline _LIBCPP_INLINE_VISIBILITY int __libcpp_isxdigit(int __c) {return isxdigit(__c);}
#undef isxdigit
inline _LIBCPP_INLINE_VISIBILITY int isxdigit(int __c) {return __libcpp_isxdigit(__c);}
#else // isxdigit
using ::isxdigit;
#endif // isxdigit
#ifdef tolower
inline _LIBCPP_INLINE_VISIBILITY int __libcpp_tolower(int __c) {return tolower(__c);}
#undef tolower
inline _LIBCPP_INLINE_VISIBILITY int tolower(int __c) {return __libcpp_tolower(__c);}
#else // tolower
using ::tolower;
#endif // tolower
#ifdef toupper
inline _LIBCPP_INLINE_VISIBILITY int __libcpp_toupper(int __c) {return toupper(__c);}
#undef toupper
inline _LIBCPP_INLINE_VISIBILITY int toupper(int __c) {return __libcpp_toupper(__c);}
#else // toupper
using ::toupper;
#endif // toupper
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_CCTYPE

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// -*- C++ -*-
//===-------------------------- cerrno ------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_CERRNO
#define _LIBCPP_CERRNO
/*
cerrno synopsis
Macros:
EDOM
EILSEQ // C99
ERANGE
errno
*/
#include <__config>
#include <errno.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
#if !defined(EOWNERDEAD) || !defined(ENOTRECOVERABLE)
#ifdef ELAST
const int __elast1 = ELAST+1;
const int __elast2 = ELAST+2;
#else
const int __elast1 = 104;
const int __elast2 = 105;
#endif
#ifdef ENOTRECOVERABLE
#define EOWNERDEAD __elast1
#ifdef ELAST
#undef ELAST
#define ELAST EOWNERDEAD
#endif
#elif defined(EOWNERDEAD)
#define ENOTRECOVERABLE __elast1
#ifdef ELAST
#undef ELAST
#define ELAST ENOTRECOVERABLE
#endif
#else // defined(EOWNERDEAD)
#define EOWNERDEAD __elast1
#define ENOTRECOVERABLE __elast2
#ifdef ELAST
#undef ELAST
#define ELAST ENOTRECOVERABLE
#endif
#endif // defined(EOWNERDEAD)
#endif // !defined(EOWNERDEAD) || !defined(ENOTRECOVERABLE)
// supply errno values likely to be missing, particularly on Windows
#ifndef EAFNOSUPPORT
#define EAFNOSUPPORT 9901
#endif
#ifndef EADDRINUSE
#define EADDRINUSE 9902
#endif
#ifndef EADDRNOTAVAIL
#define EADDRNOTAVAIL 9903
#endif
#ifndef EISCONN
#define EISCONN 9904
#endif
#ifndef EBADMSG
#define EBADMSG 9905
#endif
#ifndef ECONNABORTED
#define ECONNABORTED 9906
#endif
#ifndef EALREADY
#define EALREADY 9907
#endif
#ifndef ECONNREFUSED
#define ECONNREFUSED 9908
#endif
#ifndef ECONNRESET
#define ECONNRESET 9909
#endif
#ifndef EDESTADDRREQ
#define EDESTADDRREQ 9910
#endif
#ifndef EHOSTUNREACH
#define EHOSTUNREACH 9911
#endif
#ifndef EIDRM
#define EIDRM 9912
#endif
#ifndef EMSGSIZE
#define EMSGSIZE 9913
#endif
#ifndef ENETDOWN
#define ENETDOWN 9914
#endif
#ifndef ENETRESET
#define ENETRESET 9915
#endif
#ifndef ENETUNREACH
#define ENETUNREACH 9916
#endif
#ifndef ENOBUFS
#define ENOBUFS 9917
#endif
#ifndef ENOLINK
#define ENOLINK 9918
#endif
#ifndef ENODATA
#define ENODATA 9919
#endif
#ifndef ENOMSG
#define ENOMSG 9920
#endif
#ifndef ENOPROTOOPT
#define ENOPROTOOPT 9921
#endif
#ifndef ENOSR
#define ENOSR 9922
#endif
#ifndef ENOTSOCK
#define ENOTSOCK 9923
#endif
#ifndef ENOSTR
#define ENOSTR 9924
#endif
#ifndef ENOTCONN
#define ENOTCONN 9925
#endif
#ifndef ENOTSUP
#define ENOTSUP 9926
#endif
#ifndef ECANCELED
#define ECANCELED 9927
#endif
#ifndef EINPROGRESS
#define EINPROGRESS 9928
#endif
#ifndef EOPNOTSUPP
#define EOPNOTSUPP 9929
#endif
#ifndef EWOULDBLOCK
#define EWOULDBLOCK 9930
#endif
#ifndef EOWNERDEAD
#define EOWNERDEAD 9931
#endif
#ifndef EPROTO
#define EPROTO 9932
#endif
#ifndef EPROTONOSUPPORT
#define EPROTONOSUPPORT 9933
#endif
#ifndef ENOTRECOVERABLE
#define ENOTRECOVERABLE 9934
#endif
#ifndef ETIME
#define ETIME 9935
#endif
#ifndef ETXTBSY
#define ETXTBSY 9936
#endif
#ifndef ETIMEDOUT
#define ETIMEDOUT 9938
#endif
#ifndef ELOOP
#define ELOOP 9939
#endif
#ifndef EOVERFLOW
#define EOVERFLOW 9940
#endif
#ifndef EPROTOTYPE
#define EPROTOTYPE 9941
#endif
#ifndef ENOSYS
#define ENOSYS 9942
#endif
#ifndef EINVAL
#define EINVAL 9943
#endif
#ifndef ERANGE
#define ERANGE 9944
#endif
#ifndef EILSEQ
#define EILSEQ 9945
#endif
// Windows Mobile doesn't appear to define these:
#ifndef E2BIG
#define E2BIG 9946
#endif
#ifndef EDOM
#define EDOM 9947
#endif
#ifndef EFAULT
#define EFAULT 9948
#endif
#ifndef EBADF
#define EBADF 9949
#endif
#ifndef EPIPE
#define EPIPE 9950
#endif
#ifndef EXDEV
#define EXDEV 9951
#endif
#ifndef EBUSY
#define EBUSY 9952
#endif
#ifndef ENOTEMPTY
#define ENOTEMPTY 9953
#endif
#ifndef ENOEXEC
#define ENOEXEC 9954
#endif
#ifndef EEXIST
#define EEXIST 9955
#endif
#ifndef EFBIG
#define EFBIG 9956
#endif
#ifndef ENAMETOOLONG
#define ENAMETOOLONG 9957
#endif
#ifndef ENOTTY
#define ENOTTY 9958
#endif
#ifndef EINTR
#define EINTR 9959
#endif
#ifndef ESPIPE
#define ESPIPE 9960
#endif
#ifndef EIO
#define EIO 9961
#endif
#ifndef EISDIR
#define EISDIR 9962
#endif
#ifndef ECHILD
#define ECHILD 9963
#endif
#ifndef ENOLCK
#define ENOLCK 9964
#endif
#ifndef ENOSPC
#define ENOSPC 9965
#endif
#ifndef ENXIO
#define ENXIO 9966
#endif
#ifndef ENODEV
#define ENODEV 9967
#endif
#ifndef ENOENT
#define ENOENT 9968
#endif
#ifndef ESRCH
#define ESRCH 9969
#endif
#ifndef ENOTDIR
#define ENOTDIR 9970
#endif
#ifndef ENOMEM
#define ENOMEM 9971
#endif
#ifndef EPERM
#define EPERM 9972
#endif
#ifndef EACCES
#define EACCES 9973
#endif
#ifndef EROFS
#define EROFS 9974
#endif
#ifndef EDEADLK
#define EDEADLK 9975
#endif
#ifndef EAGAIN
#define EAGAIN 9976
#endif
#ifndef ENFILE
#define ENFILE 9977
#endif
#ifndef EMFILE
#define EMFILE 9978
#endif
#ifndef EMLINK
#define EMLINK 9979
#endif
#endif // _LIBCPP_CERRNO

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// -*- C++ -*-
//===---------------------------- cctype ----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_CFENV
#define _LIBCPP_CFENV
/*
cfenv synopsis
This entire header is C99 / C++0X
Macros:
FE_DIVBYZERO
FE_INEXACT
FE_INVALID
FE_OVERFLOW
FE_UNDERFLOW
FE_ALL_EXCEPT
FE_DOWNWARD
FE_TONEAREST
FE_TOWARDZERO
FE_UPWARD
FE_DFL_ENV
namespace std
{
Types:
fenv_t
fexcept_t
int feclearexcept(int excepts);
int fegetexceptflag(fexcept_t* flagp, int excepts);
int feraiseexcept(int excepts);
int fesetexceptflag(const fexcept_t* flagp, int excepts);
int fetestexcept(int excepts);
int fegetround();
int fesetround(int round);
int fegetenv(fenv_t* envp);
int feholdexcept(fenv_t* envp);
int fesetenv(const fenv_t* envp);
int feupdateenv(const fenv_t* envp);
} // std
*/
#include <__config>
#include <fenv.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
using ::fenv_t;
using ::fexcept_t;
using ::feclearexcept;
using ::fegetexceptflag;
using ::feraiseexcept;
using ::fesetexceptflag;
using ::fetestexcept;
using ::fegetround;
using ::fesetround;
using ::fegetenv;
using ::feholdexcept;
using ::fesetenv;
using ::feupdateenv;
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_CFENV

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// -*- C++ -*-
//===--------------------------- cfloat -----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_CFLOAT
#define _LIBCPP_CFLOAT
/*
cfloat synopsis
Macros:
FLT_ROUNDS
FLT_EVAL_METHOD // C99
FLT_RADIX
FLT_MANT_DIG
DBL_MANT_DIG
LDBL_MANT_DIG
DECIMAL_DIG // C99
FLT_DIG
DBL_DIG
LDBL_DIG
FLT_MIN_EXP
DBL_MIN_EXP
LDBL_MIN_EXP
FLT_MIN_10_EXP
DBL_MIN_10_EXP
LDBL_MIN_10_EXP
FLT_MAX_EXP
DBL_MAX_EXP
LDBL_MAX_EXP
FLT_MAX_10_EXP
DBL_MAX_10_EXP
LDBL_MAX_10_EXP
FLT_MAX
DBL_MAX
LDBL_MAX
FLT_EPSILON
DBL_EPSILON
LDBL_EPSILON
FLT_MIN
DBL_MIN
LDBL_MIN
*/
#include <__config>
#include <float.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
#ifndef FLT_EVAL_METHOD
#define FLT_EVAL_METHOD __FLT_EVAL_METHOD__
#endif
#ifndef DECIMAL_DIG
#define DECIMAL_DIG __DECIMAL_DIG__
#endif
#endif // _LIBCPP_CFLOAT

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// -*- C++ -*-
//===--------------------------- cinttypes --------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_CINTTYPES
#define _LIBCPP_CINTTYPES
/*
cinttypes synopsis
This entire header is C99 / C++0X
#include <cstdint> // <cinttypes> includes <cstdint>
Macros:
PRId8
PRId16
PRId32
PRId64
PRIdLEAST8
PRIdLEAST16
PRIdLEAST32
PRIdLEAST64
PRIdFAST8
PRIdFAST16
PRIdFAST32
PRIdFAST64
PRIdMAX
PRIdPTR
PRIi8
PRIi16
PRIi32
PRIi64
PRIiLEAST8
PRIiLEAST16
PRIiLEAST32
PRIiLEAST64
PRIiFAST8
PRIiFAST16
PRIiFAST32
PRIiFAST64
PRIiMAX
PRIiPTR
PRIo8
PRIo16
PRIo32
PRIo64
PRIoLEAST8
PRIoLEAST16
PRIoLEAST32
PRIoLEAST64
PRIoFAST8
PRIoFAST16
PRIoFAST32
PRIoFAST64
PRIoMAX
PRIoPTR
PRIu8
PRIu16
PRIu32
PRIu64
PRIuLEAST8
PRIuLEAST16
PRIuLEAST32
PRIuLEAST64
PRIuFAST8
PRIuFAST16
PRIuFAST32
PRIuFAST64
PRIuMAX
PRIuPTR
PRIx8
PRIx16
PRIx32
PRIx64
PRIxLEAST8
PRIxLEAST16
PRIxLEAST32
PRIxLEAST64
PRIxFAST8
PRIxFAST16
PRIxFAST32
PRIxFAST64
PRIxMAX
PRIxPTR
PRIX8
PRIX16
PRIX32
PRIX64
PRIXLEAST8
PRIXLEAST16
PRIXLEAST32
PRIXLEAST64
PRIXFAST8
PRIXFAST16
PRIXFAST32
PRIXFAST64
PRIXMAX
PRIXPTR
SCNd8
SCNd16
SCNd32
SCNd64
SCNdLEAST8
SCNdLEAST16
SCNdLEAST32
SCNdLEAST64
SCNdFAST8
SCNdFAST16
SCNdFAST32
SCNdFAST64
SCNdMAX
SCNdPTR
SCNi8
SCNi16
SCNi32
SCNi64
SCNiLEAST8
SCNiLEAST16
SCNiLEAST32
SCNiLEAST64
SCNiFAST8
SCNiFAST16
SCNiFAST32
SCNiFAST64
SCNiMAX
SCNiPTR
SCNo8
SCNo16
SCNo32
SCNo64
SCNoLEAST8
SCNoLEAST16
SCNoLEAST32
SCNoLEAST64
SCNoFAST8
SCNoFAST16
SCNoFAST32
SCNoFAST64
SCNoMAX
SCNoPTR
SCNu8
SCNu16
SCNu32
SCNu64
SCNuLEAST8
SCNuLEAST16
SCNuLEAST32
SCNuLEAST64
SCNuFAST8
SCNuFAST16
SCNuFAST32
SCNuFAST64
SCNuMAX
SCNuPTR
SCNx8
SCNx16
SCNx32
SCNx64
SCNxLEAST8
SCNxLEAST16
SCNxLEAST32
SCNxLEAST64
SCNxFAST8
SCNxFAST16
SCNxFAST32
SCNxFAST64
SCNxMAX
SCNxPTR
namespace std
{
Types:
imaxdiv_t
intmax_t imaxabs(intmax_t j);
imaxdiv_t imaxdiv(intmax_t numer, intmax_t denom);
intmax_t strtoimax(const char* restrict nptr, char** restrict endptr, int base);
uintmax_t strtoumax(const char* restrict nptr, char** restrict endptr, int base);
intmax_t wcstoimax(const wchar_t* restrict nptr, wchar_t** restrict endptr, int base);
uintmax_t wcstoumax(const wchar_t* restrict nptr, wchar_t** restrict endptr, int base);
} // std
*/
#include <__config>
#include <cstdint>
#include <inttypes.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
using::imaxdiv_t;
using::imaxabs;
using::imaxdiv;
using::strtoimax;
using::strtoumax;
using::wcstoimax;
using::wcstoumax;
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_CINTTYPES

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// -*- C++ -*-
//===--------------------------- ciso646 ----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_CISO646
#define _LIBCPP_CISO646
/*
ciso646 synopsis
*/
#include <__config>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
#endif // _LIBCPP_CISO646

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// -*- C++ -*-
//===--------------------------- climits ----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_CLIMITS
#define _LIBCPP_CLIMITS
/*
climits synopsis
Macros:
CHAR_BIT
SCHAR_MIN
SCHAR_MAX
UCHAR_MAX
CHAR_MIN
CHAR_MAX
MB_LEN_MAX
SHRT_MIN
SHRT_MAX
USHRT_MAX
INT_MIN
INT_MAX
UINT_MAX
LONG_MIN
LONG_MAX
ULONG_MAX
LLONG_MIN // C99
LLONG_MAX // C99
ULLONG_MAX // C99
*/
#include <__config>
#include <limits.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
#endif // _LIBCPP_CLIMITS

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// -*- C++ -*-
//===--------------------------- clocale ----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_CLOCALE
#define _LIBCPP_CLOCALE
/*
clocale synopsis
Macros:
LC_ALL
LC_COLLATE
LC_CTYPE
LC_MONETARY
LC_NUMERIC
LC_TIME
NULL
namespace std
{
struct lconv;
char* setlocale(int category, const char* locale);
lconv* localeconv();
} // std
*/
#include <__config>
#include <locale.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
using ::lconv;
using ::setlocale;
using ::localeconv;
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_CLOCALE

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// -*- C++ -*-
//===-------------------------- codecvt -----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_CODECVT
#define _LIBCPP_CODECVT
/*
codecvt synopsis
namespace std
{
enum codecvt_mode
{
consume_header = 4,
generate_header = 2,
little_endian = 1
};
template <class Elem, unsigned long Maxcode = 0x10ffff,
codecvt_mode Mode = (codecvt_mode)0>
class codecvt_utf8
: public codecvt<Elem, char, mbstate_t>
{
explicit codecvt_utf8(size_t refs = 0);
~codecvt_utf8();
};
template <class Elem, unsigned long Maxcode = 0x10ffff,
codecvt_mode Mode = (codecvt_mode)0>
class codecvt_utf16
: public codecvt<Elem, char, mbstate_t>
{
explicit codecvt_utf16(size_t refs = 0);
~codecvt_utf16();
};
template <class Elem, unsigned long Maxcode = 0x10ffff,
codecvt_mode Mode = (codecvt_mode)0>
class codecvt_utf8_utf16
: public codecvt<Elem, char, mbstate_t>
{
explicit codecvt_utf8_utf16(size_t refs = 0);
~codecvt_utf8_utf16();
};
} // std
*/
#include <__config>
#include <__locale>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
enum codecvt_mode
{
consume_header = 4,
generate_header = 2,
little_endian = 1
};
// codecvt_utf8
template <class _Elem> class __codecvt_utf8;
template <>
class _LIBCPP_TYPE_VIS __codecvt_utf8<wchar_t>
: public codecvt<wchar_t, char, mbstate_t>
{
unsigned long _Maxcode_;
codecvt_mode _Mode_;
public:
typedef wchar_t intern_type;
typedef char extern_type;
typedef mbstate_t state_type;
_LIBCPP_ALWAYS_INLINE
explicit __codecvt_utf8(size_t __refs, unsigned long _Maxcode,
codecvt_mode _Mode)
: codecvt<wchar_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode),
_Mode_(_Mode) {}
protected:
virtual result
do_out(state_type& __st,
const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt,
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
virtual result
do_in(state_type& __st,
const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt,
intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const;
virtual result
do_unshift(state_type& __st,
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
virtual int do_encoding() const throw();
virtual bool do_always_noconv() const throw();
virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end,
size_t __mx) const;
virtual int do_max_length() const throw();
};
template <>
class _LIBCPP_TYPE_VIS __codecvt_utf8<char16_t>
: public codecvt<char16_t, char, mbstate_t>
{
unsigned long _Maxcode_;
codecvt_mode _Mode_;
public:
typedef char16_t intern_type;
typedef char extern_type;
typedef mbstate_t state_type;
_LIBCPP_ALWAYS_INLINE
explicit __codecvt_utf8(size_t __refs, unsigned long _Maxcode,
codecvt_mode _Mode)
: codecvt<char16_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode),
_Mode_(_Mode) {}
protected:
virtual result
do_out(state_type& __st,
const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt,
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
virtual result
do_in(state_type& __st,
const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt,
intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const;
virtual result
do_unshift(state_type& __st,
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
virtual int do_encoding() const throw();
virtual bool do_always_noconv() const throw();
virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end,
size_t __mx) const;
virtual int do_max_length() const throw();
};
template <>
class _LIBCPP_TYPE_VIS __codecvt_utf8<char32_t>
: public codecvt<char32_t, char, mbstate_t>
{
unsigned long _Maxcode_;
codecvt_mode _Mode_;
public:
typedef char32_t intern_type;
typedef char extern_type;
typedef mbstate_t state_type;
_LIBCPP_ALWAYS_INLINE
explicit __codecvt_utf8(size_t __refs, unsigned long _Maxcode,
codecvt_mode _Mode)
: codecvt<char32_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode),
_Mode_(_Mode) {}
protected:
virtual result
do_out(state_type& __st,
const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt,
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
virtual result
do_in(state_type& __st,
const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt,
intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const;
virtual result
do_unshift(state_type& __st,
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
virtual int do_encoding() const throw();
virtual bool do_always_noconv() const throw();
virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end,
size_t __mx) const;
virtual int do_max_length() const throw();
};
template <class _Elem, unsigned long _Maxcode = 0x10ffff,
codecvt_mode _Mode = (codecvt_mode)0>
class _LIBCPP_TYPE_VIS_ONLY codecvt_utf8
: public __codecvt_utf8<_Elem>
{
public:
_LIBCPP_ALWAYS_INLINE
explicit codecvt_utf8(size_t __refs = 0)
: __codecvt_utf8<_Elem>(__refs, _Maxcode, _Mode) {}
_LIBCPP_ALWAYS_INLINE
~codecvt_utf8() {}
};
// codecvt_utf16
template <class _Elem, bool _LittleEndian> class __codecvt_utf16;
template <>
class _LIBCPP_TYPE_VIS __codecvt_utf16<wchar_t, false>
: public codecvt<wchar_t, char, mbstate_t>
{
unsigned long _Maxcode_;
codecvt_mode _Mode_;
public:
typedef wchar_t intern_type;
typedef char extern_type;
typedef mbstate_t state_type;
_LIBCPP_ALWAYS_INLINE
explicit __codecvt_utf16(size_t __refs, unsigned long _Maxcode,
codecvt_mode _Mode)
: codecvt<wchar_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode),
_Mode_(_Mode) {}
protected:
virtual result
do_out(state_type& __st,
const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt,
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
virtual result
do_in(state_type& __st,
const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt,
intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const;
virtual result
do_unshift(state_type& __st,
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
virtual int do_encoding() const throw();
virtual bool do_always_noconv() const throw();
virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end,
size_t __mx) const;
virtual int do_max_length() const throw();
};
template <>
class _LIBCPP_TYPE_VIS __codecvt_utf16<wchar_t, true>
: public codecvt<wchar_t, char, mbstate_t>
{
unsigned long _Maxcode_;
codecvt_mode _Mode_;
public:
typedef wchar_t intern_type;
typedef char extern_type;
typedef mbstate_t state_type;
_LIBCPP_ALWAYS_INLINE
explicit __codecvt_utf16(size_t __refs, unsigned long _Maxcode,
codecvt_mode _Mode)
: codecvt<wchar_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode),
_Mode_(_Mode) {}
protected:
virtual result
do_out(state_type& __st,
const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt,
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
virtual result
do_in(state_type& __st,
const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt,
intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const;
virtual result
do_unshift(state_type& __st,
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
virtual int do_encoding() const throw();
virtual bool do_always_noconv() const throw();
virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end,
size_t __mx) const;
virtual int do_max_length() const throw();
};
template <>
class _LIBCPP_TYPE_VIS __codecvt_utf16<char16_t, false>
: public codecvt<char16_t, char, mbstate_t>
{
unsigned long _Maxcode_;
codecvt_mode _Mode_;
public:
typedef char16_t intern_type;
typedef char extern_type;
typedef mbstate_t state_type;
_LIBCPP_ALWAYS_INLINE
explicit __codecvt_utf16(size_t __refs, unsigned long _Maxcode,
codecvt_mode _Mode)
: codecvt<char16_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode),
_Mode_(_Mode) {}
protected:
virtual result
do_out(state_type& __st,
const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt,
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
virtual result
do_in(state_type& __st,
const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt,
intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const;
virtual result
do_unshift(state_type& __st,
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
virtual int do_encoding() const throw();
virtual bool do_always_noconv() const throw();
virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end,
size_t __mx) const;
virtual int do_max_length() const throw();
};
template <>
class _LIBCPP_TYPE_VIS __codecvt_utf16<char16_t, true>
: public codecvt<char16_t, char, mbstate_t>
{
unsigned long _Maxcode_;
codecvt_mode _Mode_;
public:
typedef char16_t intern_type;
typedef char extern_type;
typedef mbstate_t state_type;
_LIBCPP_ALWAYS_INLINE
explicit __codecvt_utf16(size_t __refs, unsigned long _Maxcode,
codecvt_mode _Mode)
: codecvt<char16_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode),
_Mode_(_Mode) {}
protected:
virtual result
do_out(state_type& __st,
const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt,
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
virtual result
do_in(state_type& __st,
const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt,
intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const;
virtual result
do_unshift(state_type& __st,
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
virtual int do_encoding() const throw();
virtual bool do_always_noconv() const throw();
virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end,
size_t __mx) const;
virtual int do_max_length() const throw();
};
template <>
class _LIBCPP_TYPE_VIS __codecvt_utf16<char32_t, false>
: public codecvt<char32_t, char, mbstate_t>
{
unsigned long _Maxcode_;
codecvt_mode _Mode_;
public:
typedef char32_t intern_type;
typedef char extern_type;
typedef mbstate_t state_type;
_LIBCPP_ALWAYS_INLINE
explicit __codecvt_utf16(size_t __refs, unsigned long _Maxcode,
codecvt_mode _Mode)
: codecvt<char32_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode),
_Mode_(_Mode) {}
protected:
virtual result
do_out(state_type& __st,
const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt,
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
virtual result
do_in(state_type& __st,
const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt,
intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const;
virtual result
do_unshift(state_type& __st,
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
virtual int do_encoding() const throw();
virtual bool do_always_noconv() const throw();
virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end,
size_t __mx) const;
virtual int do_max_length() const throw();
};
template <>
class _LIBCPP_TYPE_VIS __codecvt_utf16<char32_t, true>
: public codecvt<char32_t, char, mbstate_t>
{
unsigned long _Maxcode_;
codecvt_mode _Mode_;
public:
typedef char32_t intern_type;
typedef char extern_type;
typedef mbstate_t state_type;
_LIBCPP_ALWAYS_INLINE
explicit __codecvt_utf16(size_t __refs, unsigned long _Maxcode,
codecvt_mode _Mode)
: codecvt<char32_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode),
_Mode_(_Mode) {}
protected:
virtual result
do_out(state_type& __st,
const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt,
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
virtual result
do_in(state_type& __st,
const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt,
intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const;
virtual result
do_unshift(state_type& __st,
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
virtual int do_encoding() const throw();
virtual bool do_always_noconv() const throw();
virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end,
size_t __mx) const;
virtual int do_max_length() const throw();
};
template <class _Elem, unsigned long _Maxcode = 0x10ffff,
codecvt_mode _Mode = (codecvt_mode)0>
class _LIBCPP_TYPE_VIS_ONLY codecvt_utf16
: public __codecvt_utf16<_Elem, _Mode & little_endian>
{
public:
_LIBCPP_ALWAYS_INLINE
explicit codecvt_utf16(size_t __refs = 0)
: __codecvt_utf16<_Elem, _Mode & little_endian>(__refs, _Maxcode, _Mode) {}
_LIBCPP_ALWAYS_INLINE
~codecvt_utf16() {}
};
// codecvt_utf8_utf16
template <class _Elem> class __codecvt_utf8_utf16;
template <>
class _LIBCPP_TYPE_VIS __codecvt_utf8_utf16<wchar_t>
: public codecvt<wchar_t, char, mbstate_t>
{
unsigned long _Maxcode_;
codecvt_mode _Mode_;
public:
typedef wchar_t intern_type;
typedef char extern_type;
typedef mbstate_t state_type;
_LIBCPP_ALWAYS_INLINE
explicit __codecvt_utf8_utf16(size_t __refs, unsigned long _Maxcode,
codecvt_mode _Mode)
: codecvt<wchar_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode),
_Mode_(_Mode) {}
protected:
virtual result
do_out(state_type& __st,
const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt,
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
virtual result
do_in(state_type& __st,
const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt,
intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const;
virtual result
do_unshift(state_type& __st,
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
virtual int do_encoding() const throw();
virtual bool do_always_noconv() const throw();
virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end,
size_t __mx) const;
virtual int do_max_length() const throw();
};
template <>
class _LIBCPP_TYPE_VIS __codecvt_utf8_utf16<char32_t>
: public codecvt<char32_t, char, mbstate_t>
{
unsigned long _Maxcode_;
codecvt_mode _Mode_;
public:
typedef char32_t intern_type;
typedef char extern_type;
typedef mbstate_t state_type;
_LIBCPP_ALWAYS_INLINE
explicit __codecvt_utf8_utf16(size_t __refs, unsigned long _Maxcode,
codecvt_mode _Mode)
: codecvt<char32_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode),
_Mode_(_Mode) {}
protected:
virtual result
do_out(state_type& __st,
const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt,
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
virtual result
do_in(state_type& __st,
const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt,
intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const;
virtual result
do_unshift(state_type& __st,
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
virtual int do_encoding() const throw();
virtual bool do_always_noconv() const throw();
virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end,
size_t __mx) const;
virtual int do_max_length() const throw();
};
template <>
class _LIBCPP_TYPE_VIS __codecvt_utf8_utf16<char16_t>
: public codecvt<char16_t, char, mbstate_t>
{
unsigned long _Maxcode_;
codecvt_mode _Mode_;
public:
typedef char16_t intern_type;
typedef char extern_type;
typedef mbstate_t state_type;
_LIBCPP_ALWAYS_INLINE
explicit __codecvt_utf8_utf16(size_t __refs, unsigned long _Maxcode,
codecvt_mode _Mode)
: codecvt<char16_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode),
_Mode_(_Mode) {}
protected:
virtual result
do_out(state_type& __st,
const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt,
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
virtual result
do_in(state_type& __st,
const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt,
intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const;
virtual result
do_unshift(state_type& __st,
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
virtual int do_encoding() const throw();
virtual bool do_always_noconv() const throw();
virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end,
size_t __mx) const;
virtual int do_max_length() const throw();
};
template <class _Elem, unsigned long _Maxcode = 0x10ffff,
codecvt_mode _Mode = (codecvt_mode)0>
class _LIBCPP_TYPE_VIS_ONLY codecvt_utf8_utf16
: public __codecvt_utf8_utf16<_Elem>
{
public:
_LIBCPP_ALWAYS_INLINE
explicit codecvt_utf8_utf16(size_t __refs = 0)
: __codecvt_utf8_utf16<_Elem>(__refs, _Maxcode, _Mode) {}
_LIBCPP_ALWAYS_INLINE
~codecvt_utf8_utf16() {}
};
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_CODECVT

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35
dot2-final/include/complex.h Normal file
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@ -0,0 +1,35 @@
// -*- C++ -*-
//===--------------------------- complex.h --------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_COMPLEX_H
#define _LIBCPP_COMPLEX_H
/*
complex.h synopsis
#include <ccomplex>
*/
#ifdef __cplusplus
#include <ccomplex>
#else // __cplusplus
#include_next <complex.h>
#endif // __cplusplus
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
#endif // _LIBCPP_COMPLEX_H

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// -*- C++ -*-
//===---------------------- condition_variable ----------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_CONDITION_VARIABLE
#define _LIBCPP_CONDITION_VARIABLE
/*
condition_variable synopsis
namespace std
{
enum class cv_status { no_timeout, timeout };
class condition_variable
{
public:
condition_variable();
~condition_variable();
condition_variable(const condition_variable&) = delete;
condition_variable& operator=(const condition_variable&) = delete;
void notify_one() noexcept;
void notify_all() noexcept;
void wait(unique_lock<mutex>& lock);
template <class Predicate>
void wait(unique_lock<mutex>& lock, Predicate pred);
template <class Clock, class Duration>
cv_status
wait_until(unique_lock<mutex>& lock,
const chrono::time_point<Clock, Duration>& abs_time);
template <class Clock, class Duration, class Predicate>
bool
wait_until(unique_lock<mutex>& lock,
const chrono::time_point<Clock, Duration>& abs_time,
Predicate pred);
template <class Rep, class Period>
cv_status
wait_for(unique_lock<mutex>& lock,
const chrono::duration<Rep, Period>& rel_time);
template <class Rep, class Period, class Predicate>
bool
wait_for(unique_lock<mutex>& lock,
const chrono::duration<Rep, Period>& rel_time,
Predicate pred);
typedef pthread_cond_t* native_handle_type;
native_handle_type native_handle();
};
void notify_all_at_thread_exit(condition_variable& cond, unique_lock<mutex> lk);
class condition_variable_any
{
public:
condition_variable_any();
~condition_variable_any();
condition_variable_any(const condition_variable_any&) = delete;
condition_variable_any& operator=(const condition_variable_any&) = delete;
void notify_one() noexcept;
void notify_all() noexcept;
template <class Lock>
void wait(Lock& lock);
template <class Lock, class Predicate>
void wait(Lock& lock, Predicate pred);
template <class Lock, class Clock, class Duration>
cv_status
wait_until(Lock& lock,
const chrono::time_point<Clock, Duration>& abs_time);
template <class Lock, class Clock, class Duration, class Predicate>
bool
wait_until(Lock& lock,
const chrono::time_point<Clock, Duration>& abs_time,
Predicate pred);
template <class Lock, class Rep, class Period>
cv_status
wait_for(Lock& lock,
const chrono::duration<Rep, Period>& rel_time);
template <class Lock, class Rep, class Period, class Predicate>
bool
wait_for(Lock& lock,
const chrono::duration<Rep, Period>& rel_time,
Predicate pred);
};
} // std
*/
#include <__config>
#include <__mutex_base>
#include <memory>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
class _LIBCPP_TYPE_VIS condition_variable_any
{
condition_variable __cv_;
shared_ptr<mutex> __mut_;
public:
condition_variable_any();
void notify_one() _NOEXCEPT;
void notify_all() _NOEXCEPT;
template <class _Lock>
void wait(_Lock& __lock);
template <class _Lock, class _Predicate>
void wait(_Lock& __lock, _Predicate __pred);
template <class _Lock, class _Clock, class _Duration>
cv_status
wait_until(_Lock& __lock,
const chrono::time_point<_Clock, _Duration>& __t);
template <class _Lock, class _Clock, class _Duration, class _Predicate>
bool
wait_until(_Lock& __lock,
const chrono::time_point<_Clock, _Duration>& __t,
_Predicate __pred);
template <class _Lock, class _Rep, class _Period>
cv_status
wait_for(_Lock& __lock,
const chrono::duration<_Rep, _Period>& __d);
template <class _Lock, class _Rep, class _Period, class _Predicate>
bool
wait_for(_Lock& __lock,
const chrono::duration<_Rep, _Period>& __d,
_Predicate __pred);
};
inline _LIBCPP_INLINE_VISIBILITY
condition_variable_any::condition_variable_any()
: __mut_(make_shared<mutex>()) {}
inline _LIBCPP_INLINE_VISIBILITY
void
condition_variable_any::notify_one() _NOEXCEPT
{
{lock_guard<mutex> __lx(*__mut_);}
__cv_.notify_one();
}
inline _LIBCPP_INLINE_VISIBILITY
void
condition_variable_any::notify_all() _NOEXCEPT
{
{lock_guard<mutex> __lx(*__mut_);}
__cv_.notify_all();
}
struct __lock_external
{
template <class _Lock>
void operator()(_Lock* __m) {__m->lock();}
};
template <class _Lock>
void
condition_variable_any::wait(_Lock& __lock)
{
shared_ptr<mutex> __mut = __mut_;
unique_lock<mutex> __lk(*__mut);
__lock.unlock();
unique_ptr<_Lock, __lock_external> __lxx(&__lock);
lock_guard<unique_lock<mutex> > __lx(__lk, adopt_lock);
__cv_.wait(__lk);
} // __mut_.unlock(), __lock.lock()
template <class _Lock, class _Predicate>
inline _LIBCPP_INLINE_VISIBILITY
void
condition_variable_any::wait(_Lock& __lock, _Predicate __pred)
{
while (!__pred())
wait(__lock);
}
template <class _Lock, class _Clock, class _Duration>
cv_status
condition_variable_any::wait_until(_Lock& __lock,
const chrono::time_point<_Clock, _Duration>& __t)
{
shared_ptr<mutex> __mut = __mut_;
unique_lock<mutex> __lk(*__mut);
__lock.unlock();
unique_ptr<_Lock, __lock_external> __lxx(&__lock);
lock_guard<unique_lock<mutex> > __lx(__lk, adopt_lock);
return __cv_.wait_until(__lk, __t);
} // __mut_.unlock(), __lock.lock()
template <class _Lock, class _Clock, class _Duration, class _Predicate>
inline _LIBCPP_INLINE_VISIBILITY
bool
condition_variable_any::wait_until(_Lock& __lock,
const chrono::time_point<_Clock, _Duration>& __t,
_Predicate __pred)
{
while (!__pred())
if (wait_until(__lock, __t) == cv_status::timeout)
return __pred();
return true;
}
template <class _Lock, class _Rep, class _Period>
inline _LIBCPP_INLINE_VISIBILITY
cv_status
condition_variable_any::wait_for(_Lock& __lock,
const chrono::duration<_Rep, _Period>& __d)
{
return wait_until(__lock, chrono::steady_clock::now() + __d);
}
template <class _Lock, class _Rep, class _Period, class _Predicate>
inline _LIBCPP_INLINE_VISIBILITY
bool
condition_variable_any::wait_for(_Lock& __lock,
const chrono::duration<_Rep, _Period>& __d,
_Predicate __pred)
{
return wait_until(__lock, chrono::steady_clock::now() + __d,
_VSTD::move(__pred));
}
_LIBCPP_FUNC_VIS
void notify_all_at_thread_exit(condition_variable& cond, unique_lock<mutex> lk);
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_CONDITION_VARIABLE

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// -*- C++ -*-
//===--------------------------- csetjmp ----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_CSETJMP
#define _LIBCPP_CSETJMP
/*
csetjmp synopsis
Macros:
setjmp
namespace std
{
Types:
jmp_buf
void longjmp(jmp_buf env, int val);
} // std
*/
#include <__config>
#include <setjmp.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
#ifndef setjmp
#define setjmp(env) setjmp(env)
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
using ::jmp_buf;
using ::longjmp;
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_CSETJMP

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// -*- C++ -*-
//===--------------------------- csignal ----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_CSIGNAL
#define _LIBCPP_CSIGNAL
/*
csignal synopsis
Macros:
SIG_DFL
SIG_ERR
SIG_IGN
SIGABRT
SIGFPE
SIGILL
SIGINT
SIGSEGV
SIGTERM
namespace std
{
Types:
sig_atomic_t
void (*signal(int sig, void (*func)(int)))(int);
int raise(int sig);
} // std
*/
#include <__config>
#include <signal.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
using ::sig_atomic_t;
using ::signal;
using ::raise;
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_CSIGNAL

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// -*- C++ -*-
//===--------------------------- cstdarg ----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_CSTDARG
#define _LIBCPP_CSTDARG
/*
cstdarg synopsis
Macros:
type va_arg(va_list ap, type);
void va_copy(va_list dest, va_list src); // C99
void va_end(va_list ap);
void va_start(va_list ap, parmN);
namespace std
{
Types:
va_list
} // std
*/
#include <__config>
#include <stdarg.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
using ::va_list;
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_CSTDARG

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// -*- C++ -*-
//===--------------------------- cstdbool ---------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_CSTDBOOL
#define _LIBCPP_CSTDBOOL
/*
cstdbool synopsis
Macros:
__bool_true_false_are_defined
*/
#include <__config>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
#undef __bool_true_false_are_defined
#define __bool_true_false_are_defined 1
#endif // _LIBCPP_CSTDBOOL

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// -*- C++ -*-
//===--------------------------- cstddef ----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_CSTDDEF
#define _LIBCPP_CSTDDEF
/*
cstddef synopsis
Macros:
offsetof(type,member-designator)
NULL
namespace std
{
Types:
ptrdiff_t
size_t
max_align_t
nullptr_t
} // std
*/
#include <__config>
#ifdef __GLIBC__
#define __need_NULL
#define __need_ptrdiff_t
#define __need_size_t
#endif // __GLIBC__
#include <stddef.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
using ::ptrdiff_t;
using ::size_t;
#if defined(__CLANG_MAX_ALIGN_T_DEFINED) || defined(_GCC_MAX_ALIGN_T)
// Re-use the compiler's <stddef.h> max_align_t where possible.
using ::max_align_t;
#else
typedef long double max_align_t;
#endif
#ifdef _LIBCPP_HAS_NO_NULLPTR
struct _LIBCPP_TYPE_VIS_ONLY nullptr_t
{
void* __lx;
struct __nat {int __for_bool_;};
_LIBCPP_ALWAYS_INLINE _LIBCPP_CONSTEXPR nullptr_t() : __lx(0) {}
_LIBCPP_ALWAYS_INLINE _LIBCPP_CONSTEXPR nullptr_t(int __nat::*) : __lx(0) {}
_LIBCPP_ALWAYS_INLINE _LIBCPP_CONSTEXPR operator int __nat::*() const {return 0;}
template <class _Tp>
_LIBCPP_ALWAYS_INLINE _LIBCPP_CONSTEXPR
operator _Tp* () const {return 0;}
template <class _Tp, class _Up>
_LIBCPP_ALWAYS_INLINE
operator _Tp _Up::* () const {return 0;}
friend _LIBCPP_ALWAYS_INLINE _LIBCPP_CONSTEXPR bool operator==(nullptr_t, nullptr_t) {return true;}
friend _LIBCPP_ALWAYS_INLINE _LIBCPP_CONSTEXPR bool operator!=(nullptr_t, nullptr_t) {return false;}
friend _LIBCPP_ALWAYS_INLINE _LIBCPP_CONSTEXPR bool operator<(nullptr_t, nullptr_t) {return false;}
friend _LIBCPP_ALWAYS_INLINE _LIBCPP_CONSTEXPR bool operator<=(nullptr_t, nullptr_t) {return true;}
friend _LIBCPP_ALWAYS_INLINE _LIBCPP_CONSTEXPR bool operator>(nullptr_t, nullptr_t) {return false;}
friend _LIBCPP_ALWAYS_INLINE _LIBCPP_CONSTEXPR bool operator>=(nullptr_t, nullptr_t) {return true;}
};
inline _LIBCPP_ALWAYS_INLINE _LIBCPP_CONSTEXPR nullptr_t __get_nullptr_t() {return nullptr_t(0);}
#define nullptr _VSTD::__get_nullptr_t()
#endif // _LIBCPP_HAS_NO_NULLPTR
_LIBCPP_END_NAMESPACE_STD
#ifndef _LIBCPP_HAS_NO_NULLPTR
namespace std
{
typedef decltype(nullptr) nullptr_t;
}
#endif // _LIBCPP_HAS_NO_NULLPTR
#endif // _LIBCPP_CSTDDEF

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// -*- C++ -*-
//===--------------------------- cstdint ----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_CSTDINT
#define _LIBCPP_CSTDINT
/*
cstdint synopsis
Macros:
INT8_MIN
INT16_MIN
INT32_MIN
INT64_MIN
INT8_MAX
INT16_MAX
INT32_MAX
INT64_MAX
UINT8_MAX
UINT16_MAX
UINT32_MAX
UINT64_MAX
INT_LEAST8_MIN
INT_LEAST16_MIN
INT_LEAST32_MIN
INT_LEAST64_MIN
INT_LEAST8_MAX
INT_LEAST16_MAX
INT_LEAST32_MAX
INT_LEAST64_MAX
UINT_LEAST8_MAX
UINT_LEAST16_MAX
UINT_LEAST32_MAX
UINT_LEAST64_MAX
INT_FAST8_MIN
INT_FAST16_MIN
INT_FAST32_MIN
INT_FAST64_MIN
INT_FAST8_MAX
INT_FAST16_MAX
INT_FAST32_MAX
INT_FAST64_MAX
UINT_FAST8_MAX
UINT_FAST16_MAX
UINT_FAST32_MAX
UINT_FAST64_MAX
INTPTR_MIN
INTPTR_MAX
UINTPTR_MAX
INTMAX_MIN
INTMAX_MAX
UINTMAX_MAX
PTRDIFF_MIN
PTRDIFF_MAX
SIG_ATOMIC_MIN
SIG_ATOMIC_MAX
SIZE_MAX
WCHAR_MIN
WCHAR_MAX
WINT_MIN
WINT_MAX
INT8_C(value)
INT16_C(value)
INT32_C(value)
INT64_C(value)
UINT8_C(value)
UINT16_C(value)
UINT32_C(value)
UINT64_C(value)
INTMAX_C(value)
UINTMAX_C(value)
namespace std
{
Types:
int8_t
int16_t
int32_t
int64_t
uint8_t
uint16_t
uint32_t
uint64_t
int_least8_t
int_least16_t
int_least32_t
int_least64_t
uint_least8_t
uint_least16_t
uint_least32_t
uint_least64_t
int_fast8_t
int_fast16_t
int_fast32_t
int_fast64_t
uint_fast8_t
uint_fast16_t
uint_fast32_t
uint_fast64_t
intptr_t
uintptr_t
intmax_t
uintmax_t
} // std
*/
#include <__config>
#include <stdint.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
using::int8_t;
using::int16_t;
using::int32_t;
using::int64_t;
using::uint8_t;
using::uint16_t;
using::uint32_t;
using::uint64_t;
using::int_least8_t;
using::int_least16_t;
using::int_least32_t;
using::int_least64_t;
using::uint_least8_t;
using::uint_least16_t;
using::uint_least32_t;
using::uint_least64_t;
using::int_fast8_t;
using::int_fast16_t;
using::int_fast32_t;
using::int_fast64_t;
using::uint_fast8_t;
using::uint_fast16_t;
using::uint_fast32_t;
using::uint_fast64_t;
using::intptr_t;
using::uintptr_t;
using::intmax_t;
using::uintmax_t;
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_CSTDINT

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// -*- C++ -*-
//===---------------------------- cstdio ----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_CSTDIO
#define _LIBCPP_CSTDIO
/*
cstdio synopsis
Macros:
BUFSIZ
EOF
FILENAME_MAX
FOPEN_MAX
L_tmpnam
NULL
SEEK_CUR
SEEK_END
SEEK_SET
TMP_MAX
_IOFBF
_IOLBF
_IONBF
stderr
stdin
stdout
namespace std
{
Types:
FILE
fpos_t
size_t
int remove(const char* filename);
int rename(const char* old, const char* new);
FILE* tmpfile(void);
char* tmpnam(char* s);
int fclose(FILE* stream);
int fflush(FILE* stream);
FILE* fopen(const char* restrict filename, const char* restrict mode);
FILE* freopen(const char* restrict filename, const char * restrict mode,
FILE * restrict stream);
void setbuf(FILE* restrict stream, char* restrict buf);
int setvbuf(FILE* restrict stream, char* restrict buf, int mode, size_t size);
int fprintf(FILE* restrict stream, const char* restrict format, ...);
int fscanf(FILE* restrict stream, const char * restrict format, ...);
int printf(const char* restrict format, ...);
int scanf(const char* restrict format, ...);
int snprintf(char* restrict s, size_t n, const char* restrict format, ...); // C99
int sprintf(char* restrict s, const char* restrict format, ...);
int sscanf(const char* restrict s, const char* restrict format, ...);
int vfprintf(FILE* restrict stream, const char* restrict format, va_list arg);
int vfscanf(FILE* restrict stream, const char* restrict format, va_list arg); // C99
int vprintf(const char* restrict format, va_list arg);
int vscanf(const char* restrict format, va_list arg); // C99
int vsnprintf(char* restrict s, size_t n, const char* restrict format, // C99
va_list arg);
int vsprintf(char* restrict s, const char* restrict format, va_list arg);
int vsscanf(const char* restrict s, const char* restrict format, va_list arg); // C99
int fgetc(FILE* stream);
char* fgets(char* restrict s, int n, FILE* restrict stream);
int fputc(int c, FILE* stream);
int fputs(const char* restrict s, FILE* restrict stream);
int getc(FILE* stream);
int getchar(void);
char* gets(char* s); // removed in C++14
int putc(int c, FILE* stream);
int putchar(int c);
int puts(const char* s);
int ungetc(int c, FILE* stream);
size_t fread(void* restrict ptr, size_t size, size_t nmemb,
FILE* restrict stream);
size_t fwrite(const void* restrict ptr, size_t size, size_t nmemb,
FILE* restrict stream);
int fgetpos(FILE* restrict stream, fpos_t* restrict pos);
int fseek(FILE* stream, long offset, int whence);
int fsetpos(FILE*stream, const fpos_t* pos);
long ftell(FILE* stream);
void rewind(FILE* stream);
void clearerr(FILE* stream);
int feof(FILE* stream);
int ferror(FILE* stream);
void perror(const char* s);
} // std
*/
#include <__config>
#include <stdio.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
// snprintf
#if defined(_LIBCPP_MSVCRT)
#include "support/win32/support.h"
#endif
#ifdef getc
inline _LIBCPP_INLINE_VISIBILITY int __libcpp_getc(FILE* __stream) {return getc(__stream);}
#undef getc
inline _LIBCPP_INLINE_VISIBILITY int getc(FILE* __stream) {return __libcpp_getc(__stream);}
#endif // getc
#ifdef putc
inline _LIBCPP_INLINE_VISIBILITY int __libcpp_putc(int __c, FILE* __stream) {return putc(__c, __stream);}
#undef putc
inline _LIBCPP_INLINE_VISIBILITY int putc(int __c, FILE* __stream) {return __libcpp_putc(__c, __stream);}
#endif // putc
_LIBCPP_BEGIN_NAMESPACE_STD
using ::FILE;
using ::fpos_t;
using ::size_t;
using ::remove;
using ::rename;
using ::tmpfile;
using ::tmpnam;
using ::fclose;
using ::fflush;
using ::fopen;
using ::freopen;
using ::setbuf;
using ::setvbuf;
using ::fprintf;
using ::fscanf;
using ::printf;
using ::scanf;
using ::snprintf;
using ::sprintf;
using ::sscanf;
#ifndef _LIBCPP_MSVCRT
using ::vfprintf;
using ::vfscanf;
using ::vscanf;
using ::vsscanf;
#endif // _LIBCPP_MSVCRT
using ::vprintf;
using ::vsnprintf;
using ::vsprintf;
using ::fgetc;
using ::fgets;
using ::fputc;
using ::fputs;
using ::getc;
using ::getchar;
#if _LIBCPP_STD_VER <= 11
using ::gets;
#endif
using ::putc;
using ::putchar;
using ::puts;
using ::ungetc;
using ::fread;
using ::fwrite;
using ::fgetpos;
using ::fseek;
using ::fsetpos;
using ::ftell;
using ::rewind;
using ::clearerr;
using ::feof;
using ::ferror;
using ::perror;
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_CSTDIO

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// -*- C++ -*-
//===--------------------------- cstdlib ----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_CSTDLIB
#define _LIBCPP_CSTDLIB
/*
cstdlib synopsis
Macros:
EXIT_FAILURE
EXIT_SUCCESS
MB_CUR_MAX
NULL
RAND_MAX
namespace std
{
Types:
size_t
div_t
ldiv_t
lldiv_t // C99
double atof (const char* nptr);
int atoi (const char* nptr);
long atol (const char* nptr);
long long atoll(const char* nptr); // C99
double strtod (const char* restrict nptr, char** restrict endptr);
float strtof (const char* restrict nptr, char** restrict endptr); // C99
long double strtold (const char* restrict nptr, char** restrict endptr); // C99
long strtol (const char* restrict nptr, char** restrict endptr, int base);
long long strtoll (const char* restrict nptr, char** restrict endptr, int base); // C99
unsigned long strtoul (const char* restrict nptr, char** restrict endptr, int base);
unsigned long long strtoull(const char* restrict nptr, char** restrict endptr, int base); // C99
int rand(void);
void srand(unsigned int seed);
void* calloc(size_t nmemb, size_t size);
void free(void* ptr);
void* malloc(size_t size);
void* realloc(void* ptr, size_t size);
void abort(void);
int atexit(void (*func)(void));
void exit(int status);
void _Exit(int status);
char* getenv(const char* name);
int system(const char* string);
void* bsearch(const void* key, const void* base, size_t nmemb, size_t size,
int (*compar)(const void *, const void *));
void qsort(void* base, size_t nmemb, size_t size,
int (*compar)(const void *, const void *));
int abs( int j);
long abs( long j);
long long abs(long long j); // C++0X
long labs( long j);
long long llabs(long long j); // C99
div_t div( int numer, int denom);
ldiv_t div( long numer, long denom);
lldiv_t div(long long numer, long long denom); // C++0X
ldiv_t ldiv( long numer, long denom);
lldiv_t lldiv(long long numer, long long denom); // C99
int mblen(const char* s, size_t n);
int mbtowc(wchar_t* restrict pwc, const char* restrict s, size_t n);
int wctomb(char* s, wchar_t wchar);
size_t mbstowcs(wchar_t* restrict pwcs, const char* restrict s, size_t n);
size_t wcstombs(char* restrict s, const wchar_t* restrict pwcs, size_t n);
int at_quick_exit(void (*func)(void)) // C++11
void quick_exit(int status); // C++11
void *aligned_alloc(size_t alignment, size_t size); // C11
} // std
*/
#include <__config>
#include <stdlib.h>
#ifdef _LIBCPP_MSVCRT
#include "support/win32/locale_win32.h"
#endif // _LIBCPP_MSVCRT
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
using ::size_t;
using ::div_t;
using ::ldiv_t;
#ifndef _LIBCPP_HAS_NO_LONG_LONG
using ::lldiv_t;
#endif // _LIBCPP_HAS_NO_LONG_LONG
using ::atof;
using ::atoi;
using ::atol;
#ifndef _LIBCPP_HAS_NO_LONG_LONG
using ::atoll;
#endif // _LIBCPP_HAS_NO_LONG_LONG
using ::strtod;
using ::strtof;
using ::strtold;
using ::strtol;
#ifndef _LIBCPP_HAS_NO_LONG_LONG
using ::strtoll;
#endif // _LIBCPP_HAS_NO_LONG_LONG
using ::strtoul;
#ifndef _LIBCPP_HAS_NO_LONG_LONG
using ::strtoull;
#endif // _LIBCPP_HAS_NO_LONG_LONG
using ::rand;
using ::srand;
using ::calloc;
using ::free;
using ::malloc;
using ::realloc;
using ::abort;
using ::atexit;
using ::exit;
using ::_Exit;
using ::getenv;
using ::system;
using ::bsearch;
using ::qsort;
using ::abs;
using ::labs;
#ifndef _LIBCPP_HAS_NO_LONG_LONG
using ::llabs;
#endif // _LIBCPP_HAS_NO_LONG_LONG
using ::div;
using ::ldiv;
#ifndef _LIBCPP_HAS_NO_LONG_LONG
using ::lldiv;
#endif // _LIBCPP_HAS_NO_LONG_LONG
using ::mblen;
using ::mbtowc;
using ::wctomb;
using ::mbstowcs;
using ::wcstombs;
#ifdef _LIBCPP_HAS_QUICK_EXIT
using ::at_quick_exit;
using ::quick_exit;
#endif
#ifdef _LIBCPP_HAS_C11_FEATURES
using ::aligned_alloc;
#endif
// MSVCRT already has the correct prototype in <stdlib.h> #ifdef __cplusplus
#if !defined(_LIBCPP_MSVCRT) && !defined(__sun__) && !defined(_AIX)
inline _LIBCPP_INLINE_VISIBILITY long abs( long __x) _NOEXCEPT {return labs(__x);}
#ifndef _LIBCPP_HAS_NO_LONG_LONG
inline _LIBCPP_INLINE_VISIBILITY long long abs(long long __x) _NOEXCEPT {return llabs(__x);}
#endif // _LIBCPP_HAS_NO_LONG_LONG
inline _LIBCPP_INLINE_VISIBILITY ldiv_t div( long __x, long __y) _NOEXCEPT {return ldiv(__x, __y);}
#ifndef _LIBCPP_HAS_NO_LONG_LONG
inline _LIBCPP_INLINE_VISIBILITY lldiv_t div(long long __x, long long __y) _NOEXCEPT {return lldiv(__x, __y);}
#endif // _LIBCPP_HAS_NO_LONG_LONG
#endif // _LIBCPP_MSVCRT
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_CSTDLIB

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// -*- C++ -*-
//===--------------------------- cstring ----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_CSTRING
#define _LIBCPP_CSTRING
/*
cstring synopsis
Macros:
NULL
namespace std
{
Types:
size_t
void* memcpy(void* restrict s1, const void* restrict s2, size_t n);
void* memmove(void* s1, const void* s2, size_t n);
char* strcpy (char* restrict s1, const char* restrict s2);
char* strncpy(char* restrict s1, const char* restrict s2, size_t n);
char* strcat (char* restrict s1, const char* restrict s2);
char* strncat(char* restrict s1, const char* restrict s2, size_t n);
int memcmp(const void* s1, const void* s2, size_t n);
int strcmp (const char* s1, const char* s2);
int strncmp(const char* s1, const char* s2, size_t n);
int strcoll(const char* s1, const char* s2);
size_t strxfrm(char* restrict s1, const char* restrict s2, size_t n);
const void* memchr(const void* s, int c, size_t n);
void* memchr( void* s, int c, size_t n);
const char* strchr(const char* s, int c);
char* strchr( char* s, int c);
size_t strcspn(const char* s1, const char* s2);
const char* strpbrk(const char* s1, const char* s2);
char* strpbrk( char* s1, const char* s2);
const char* strrchr(const char* s, int c);
char* strrchr( char* s, int c);
size_t strspn(const char* s1, const char* s2);
const char* strstr(const char* s1, const char* s2);
char* strstr( char* s1, const char* s2);
char* strtok(char* restrict s1, const char* restrict s2);
void* memset(void* s, int c, size_t n);
char* strerror(int errnum);
size_t strlen(const char* s);
} // std
*/
#include <__config>
#include <string.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
using ::size_t;
using ::memcpy;
using ::memmove;
using ::strcpy;
using ::strncpy;
using ::strcat;
using ::strncat;
using ::memcmp;
using ::strcmp;
using ::strncmp;
using ::strcoll;
using ::strxfrm;
using ::memchr;
using ::strchr;
using ::strcspn;
using ::strpbrk;
using ::strrchr;
using ::strspn;
using ::strstr;
// MSVCRT, GNU libc and its derivates already have the correct prototype in <string.h> #ifdef __cplusplus
#if !defined(__GLIBC__) && !defined(_LIBCPP_MSVCRT) && !defined(__sun__) && !defined(_STRING_H_CPLUSPLUS_98_CONFORMANCE_)
inline _LIBCPP_INLINE_VISIBILITY char* strchr( char* __s, int __c) {return ::strchr(__s, __c);}
inline _LIBCPP_INLINE_VISIBILITY char* strpbrk( char* __s1, const char* __s2) {return ::strpbrk(__s1, __s2);}
inline _LIBCPP_INLINE_VISIBILITY char* strrchr( char* __s, int __c) {return ::strrchr(__s, __c);}
inline _LIBCPP_INLINE_VISIBILITY void* memchr( void* __s, int __c, size_t __n) {return ::memchr(__s, __c, __n);}
inline _LIBCPP_INLINE_VISIBILITY char* strstr( char* __s1, const char* __s2) {return ::strstr(__s1, __s2);}
#endif
using ::strtok;
using ::memset;
using ::strerror;
using ::strlen;
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_CSTRING

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// -*- C++ -*-
//===-------------------------- ctgmath -----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_CTGMATH
#define _LIBCPP_CTGMATH
/*
ctgmath synopsis
#include <ccomplex>
#include <cmath>
*/
#include <ccomplex>
#include <cmath>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
#endif // _LIBCPP_CTGMATH

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// -*- C++ -*-
//===---------------------------- ctime -----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_CTIME
#define _LIBCPP_CTIME
/*
ctime synopsis
Macros:
NULL
CLOCKS_PER_SEC
namespace std
{
Types:
clock_t
size_t
time_t
tm
clock_t clock();
double difftime(time_t time1, time_t time0);
time_t mktime(tm* timeptr);
time_t time(time_t* timer);
char* asctime(const tm* timeptr);
char* ctime(const time_t* timer);
tm* gmtime(const time_t* timer);
tm* localtime(const time_t* timer);
size_t strftime(char* restrict s, size_t maxsize, const char* restrict format,
const tm* restrict timeptr);
} // std
*/
#include <__config>
#include <time.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
using ::clock_t;
using ::size_t;
using ::time_t;
using ::tm;
using ::clock;
using ::difftime;
using ::mktime;
using ::time;
using ::asctime;
using ::ctime;
using ::gmtime;
using ::localtime;
using ::strftime;
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_CTIME

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// -*- C++ -*-
//===--------------------------- cwchar -----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_CWCHAR
#define _LIBCPP_CWCHAR
/*
cwchar synopsis
Macros:
NULL
WCHAR_MAX
WCHAR_MIN
WEOF
namespace std
{
Types:
mbstate_t
size_t
tm
wint_t
int fwprintf(FILE* restrict stream, const wchar_t* restrict format, ...);
int fwscanf(FILE* restrict stream, const wchar_t* restrict format, ...);
int swprintf(wchar_t* restrict s, size_t n, const wchar_t* restrict format, ...);
int swscanf(const wchar_t* restrict s, const wchar_t* restrict format, ...);
int vfwprintf(FILE* restrict stream, const wchar_t* restrict format, va_list arg);
int vfwscanf(FILE* restrict stream, const wchar_t* restrict format, va_list arg); // C99
int vswprintf(wchar_t* restrict s, size_t n, const wchar_t* restrict format, va_list arg);
int vswscanf(const wchar_t* restrict s, const wchar_t* restrict format, va_list arg); // C99
int vwprintf(const wchar_t* restrict format, va_list arg);
int vwscanf(const wchar_t* restrict format, va_list arg); // C99
int wprintf(const wchar_t* restrict format, ...);
int wscanf(const wchar_t* restrict format, ...);
wint_t fgetwc(FILE* stream);
wchar_t* fgetws(wchar_t* restrict s, int n, FILE* restrict stream);
wint_t fputwc(wchar_t c, FILE* stream);
int fputws(const wchar_t* restrict s, FILE* restrict stream);
int fwide(FILE* stream, int mode);
wint_t getwc(FILE* stream);
wint_t getwchar();
wint_t putwc(wchar_t c, FILE* stream);
wint_t putwchar(wchar_t c);
wint_t ungetwc(wint_t c, FILE* stream);
double wcstod(const wchar_t* restrict nptr, wchar_t** restrict endptr);
float wcstof(const wchar_t* restrict nptr, wchar_t** restrict endptr); // C99
long double wcstold(const wchar_t* restrict nptr, wchar_t** restrict endptr); // C99
long wcstol(const wchar_t* restrict nptr, wchar_t** restrict endptr, int base);
long long wcstoll(const wchar_t* restrict nptr, wchar_t** restrict endptr, int base); // C99
unsigned long wcstoul(const wchar_t* restrict nptr, wchar_t** restrict endptr, int base);
unsigned long long wcstoull(const wchar_t* restrict nptr, wchar_t** restrict endptr, int base); // C99
wchar_t* wcscpy(wchar_t* restrict s1, const wchar_t* restrict s2);
wchar_t* wcsncpy(wchar_t* restrict s1, const wchar_t* restrict s2, size_t n);
wchar_t* wcscat(wchar_t* restrict s1, const wchar_t* restrict s2);
wchar_t* wcsncat(wchar_t* restrict s1, const wchar_t* restrict s2, size_t n);
int wcscmp(const wchar_t* s1, const wchar_t* s2);
int wcscoll(const wchar_t* s1, const wchar_t* s2);
int wcsncmp(const wchar_t* s1, const wchar_t* s2, size_t n);
size_t wcsxfrm(wchar_t* restrict s1, const wchar_t* restrict s2, size_t n);
const wchar_t* wcschr(const wchar_t* s, wchar_t c);
wchar_t* wcschr( wchar_t* s, wchar_t c);
size_t wcscspn(const wchar_t* s1, const wchar_t* s2);
size_t wcslen(const wchar_t* s);
const wchar_t* wcspbrk(const wchar_t* s1, const wchar_t* s2);
wchar_t* wcspbrk( wchar_t* s1, const wchar_t* s2);
const wchar_t* wcsrchr(const wchar_t* s, wchar_t c);
wchar_t* wcsrchr( wchar_t* s, wchar_t c);
size_t wcsspn(const wchar_t* s1, const wchar_t* s2);
const wchar_t* wcsstr(const wchar_t* s1, const wchar_t* s2);
wchar_t* wcsstr( wchar_t* s1, const wchar_t* s2);
wchar_t* wcstok(wchar_t* restrict s1, const wchar_t* restrict s2, wchar_t** restrict ptr);
const wchar_t* wmemchr(const wchar_t* s, wchar_t c, size_t n);
wchar_t* wmemchr( wchar_t* s, wchar_t c, size_t n);
int wmemcmp(wchar_t* restrict s1, const wchar_t* restrict s2, size_t n);
wchar_t* wmemcpy(wchar_t* restrict s1, const wchar_t* restrict s2, size_t n);
wchar_t* wmemmove(wchar_t* s1, const wchar_t* s2, size_t n);
wchar_t* wmemset(wchar_t* s, wchar_t c, size_t n);
size_t wcsftime(wchar_t* restrict s, size_t maxsize, const wchar_t* restrict format,
const tm* restrict timeptr);
wint_t btowc(int c);
int wctob(wint_t c);
int mbsinit(const mbstate_t* ps);
size_t mbrlen(const char* restrict s, size_t n, mbstate_t* restrict ps);
size_t mbrtowc(wchar_t* restrict pwc, const char* restrict s, size_t n, mbstate_t* restrict ps);
size_t wcrtomb(char* restrict s, wchar_t wc, mbstate_t* restrict ps);
size_t mbsrtowcs(wchar_t* restrict dst, const char** restrict src, size_t len,
mbstate_t* restrict ps);
size_t wcsrtombs(char* restrict dst, const wchar_t** restrict src, size_t len,
mbstate_t* restrict ps);
} // std
*/
#include <__config>
#include <cwctype>
#include <wchar.h>
#if defined(_LIBCPP_MSVCRT) || defined(__MINGW32__)
#include <support/win32/support.h> // pull in *swprintf defines
#endif // _LIBCPP_MSVCRT
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
using ::mbstate_t;
using ::size_t;
using ::tm;
using ::wint_t;
using ::FILE;
using ::fwprintf;
using ::fwscanf;
using ::swprintf;
using ::vfwprintf;
using ::vswprintf;
using ::vwprintf;
#ifndef _LIBCPP_MSVCRT
using ::swscanf;
using ::vfwscanf;
using ::vswscanf;
using ::vwscanf;
#endif // _LIBCPP_MSVCRT
using ::wprintf;
using ::wscanf;
using ::fgetwc;
using ::fgetws;
using ::fputwc;
using ::fputws;
using ::fwide;
using ::getwc;
using ::getwchar;
using ::putwc;
using ::putwchar;
using ::ungetwc;
using ::wcstod;
#ifndef _LIBCPP_MSVCRT
using ::wcstof;
using ::wcstold;
#endif // _LIBCPP_MSVCRT
using ::wcstol;
#ifndef _LIBCPP_HAS_NO_LONG_LONG
using ::wcstoll;
#endif // _LIBCPP_HAS_NO_LONG_LONG
using ::wcstoul;
#ifndef _LIBCPP_HAS_NO_LONG_LONG
using ::wcstoull;
#endif // _LIBCPP_HAS_NO_LONG_LONG
using ::wcscpy;
using ::wcsncpy;
using ::wcscat;
using ::wcsncat;
using ::wcscmp;
using ::wcscoll;
using ::wcsncmp;
using ::wcsxfrm;
#if defined(_WCHAR_H_CPLUSPLUS_98_CONFORMANCE_)
using ::wcschr;
using ::wcspbrk;
using ::wcsrchr;
using ::wcsstr;
using ::wmemchr;
#else
inline _LIBCPP_INLINE_VISIBILITY const wchar_t* wcschr(const wchar_t* __s, wchar_t __c) {return ::wcschr(__s, __c);}
inline _LIBCPP_INLINE_VISIBILITY wchar_t* wcschr( wchar_t* __s, wchar_t __c) {return ::wcschr(__s, __c);}
inline _LIBCPP_INLINE_VISIBILITY const wchar_t* wcspbrk(const wchar_t* __s1, const wchar_t* __s2) {return ::wcspbrk(__s1, __s2);}
inline _LIBCPP_INLINE_VISIBILITY wchar_t* wcspbrk( wchar_t* __s1, const wchar_t* __s2) {return ::wcspbrk(__s1, __s2);}
inline _LIBCPP_INLINE_VISIBILITY const wchar_t* wcsrchr(const wchar_t* __s, wchar_t __c) {return ::wcsrchr(__s, __c);}
inline _LIBCPP_INLINE_VISIBILITY wchar_t* wcsrchr( wchar_t* __s, wchar_t __c) {return ::wcsrchr(__s, __c);}
inline _LIBCPP_INLINE_VISIBILITY const wchar_t* wcsstr(const wchar_t* __s1, const wchar_t* __s2) {return ::wcsstr(__s1, __s2);}
inline _LIBCPP_INLINE_VISIBILITY wchar_t* wcsstr( wchar_t* __s1, const wchar_t* __s2) {return ::wcsstr(__s1, __s2);}
inline _LIBCPP_INLINE_VISIBILITY const wchar_t* wmemchr(const wchar_t* __s, wchar_t __c, size_t __n) {return ::wmemchr(__s, __c, __n);}
inline _LIBCPP_INLINE_VISIBILITY wchar_t* wmemchr( wchar_t* __s, wchar_t __c, size_t __n) {return ::wmemchr(__s, __c, __n);}
#endif
using ::wcscspn;
using ::wcslen;
using ::wcsspn;
using ::wcstok;
using ::wmemcmp;
using ::wmemcpy;
using ::wmemmove;
using ::wmemset;
using ::wcsftime;
using ::btowc;
using ::wctob;
using ::mbsinit;
using ::mbrlen;
using ::mbrtowc;
using ::wcrtomb;
using ::mbsrtowcs;
using ::wcsrtombs;
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_CWCHAR

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// -*- C++ -*-
//===--------------------------- cwctype ----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_CWCTYPE
#define _LIBCPP_CWCTYPE
/*
cwctype synopsis
Macros:
WEOF
namespace std
{
Types:
wint_t
wctrans_t
wctype_t
int iswalnum(wint_t wc);
int iswalpha(wint_t wc);
int iswblank(wint_t wc); // C99
int iswcntrl(wint_t wc);
int iswdigit(wint_t wc);
int iswgraph(wint_t wc);
int iswlower(wint_t wc);
int iswprint(wint_t wc);
int iswpunct(wint_t wc);
int iswspace(wint_t wc);
int iswupper(wint_t wc);
int iswxdigit(wint_t wc);
int iswctype(wint_t wc, wctype_t desc);
wctype_t wctype(const char* property);
wint_t towlower(wint_t wc);
wint_t towupper(wint_t wc);
wint_t towctrans(wint_t wc, wctrans_t desc);
wctrans_t wctrans(const char* property);
} // std
*/
#include <__config>
#include <cctype>
#include <wctype.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
using ::wint_t;
using ::wctrans_t;
using ::wctype_t;
#ifdef iswalnum
inline _LIBCPP_INLINE_VISIBILITY int __libcpp_iswalnum(wint_t __wc) {return iswalnum(__wc);}
#undef iswalnum
inline _LIBCPP_INLINE_VISIBILITY int iswalnum(wint_t __wc) {return __libcpp_iswalnum(__wc);}
#else // iswalnum
using ::iswalnum;
#endif
#ifdef iswalpha
inline _LIBCPP_INLINE_VISIBILITY int __libcpp_iswalpha(wint_t __wc) {return iswalpha(__wc);}
#undef iswalpha
inline _LIBCPP_INLINE_VISIBILITY int iswalpha(wint_t __wc) {return __libcpp_iswalpha(__wc);}
#else // iswalpha
using ::iswalpha;
#endif
#ifdef iswblank
inline _LIBCPP_INLINE_VISIBILITY int __libcpp_iswblank(wint_t __wc) {return iswblank(__wc);}
#undef iswblank
inline _LIBCPP_INLINE_VISIBILITY int iswblank(wint_t __wc) {return __libcpp_iswblank(__wc);}
#else // iswblank
using ::iswblank;
#endif
#ifdef iswcntrl
inline _LIBCPP_INLINE_VISIBILITY int __libcpp_iswcntrl(wint_t __wc) {return iswcntrl(__wc);}
#undef iswcntrl
inline _LIBCPP_INLINE_VISIBILITY int iswcntrl(wint_t __wc) {return __libcpp_iswcntrl(__wc);}
#else // iswcntrl
using ::iswcntrl;
#endif
#ifdef iswdigit
inline _LIBCPP_INLINE_VISIBILITY int __libcpp_iswdigit(wint_t __wc) {return iswdigit(__wc);}
#undef iswdigit
inline _LIBCPP_INLINE_VISIBILITY int iswdigit(wint_t __wc) {return __libcpp_iswdigit(__wc);}
#else // iswdigit
using ::iswdigit;
#endif
#ifdef iswgraph
inline _LIBCPP_INLINE_VISIBILITY int __libcpp_iswgraph(wint_t __wc) {return iswgraph(__wc);}
#undef iswgraph
inline _LIBCPP_INLINE_VISIBILITY int iswgraph(wint_t __wc) {return __libcpp_iswgraph(__wc);}
#else // iswgraph
using ::iswgraph;
#endif
#ifdef iswlower
inline _LIBCPP_INLINE_VISIBILITY int __libcpp_iswlower(wint_t __wc) {return iswlower(__wc);}
#undef iswlower
inline _LIBCPP_INLINE_VISIBILITY int iswlower(wint_t __wc) {return __libcpp_iswlower(__wc);}
#else // iswlower
using ::iswlower;
#endif
#ifdef iswprint
inline _LIBCPP_INLINE_VISIBILITY int __libcpp_iswprint(wint_t __wc) {return iswprint(__wc);}
#undef iswprint
inline _LIBCPP_INLINE_VISIBILITY int iswprint(wint_t __wc) {return __libcpp_iswprint(__wc);}
#else // iswprint
using ::iswprint;
#endif
#ifdef iswpunct
inline _LIBCPP_INLINE_VISIBILITY int __libcpp_iswpunct(wint_t __wc) {return iswpunct(__wc);}
#undef iswpunct
inline _LIBCPP_INLINE_VISIBILITY int iswpunct(wint_t __wc) {return __libcpp_iswpunct(__wc);}
#else // iswpunct
using ::iswpunct;
#endif
#ifdef iswspace
inline _LIBCPP_INLINE_VISIBILITY int __libcpp_iswspace(wint_t __wc) {return iswspace(__wc);}
#undef iswspace
inline _LIBCPP_INLINE_VISIBILITY int iswspace(wint_t __wc) {return __libcpp_iswspace(__wc);}
#else // iswspace
using ::iswspace;
#endif
#ifdef iswupper
inline _LIBCPP_INLINE_VISIBILITY int __libcpp_iswupper(wint_t __wc) {return iswupper(__wc);}
#undef iswupper
inline _LIBCPP_INLINE_VISIBILITY int iswupper(wint_t __wc) {return __libcpp_iswupper(__wc);}
#else // iswupper
using ::iswupper;
#endif
#ifdef iswxdigit
inline _LIBCPP_INLINE_VISIBILITY int __libcpp_iswxdigit(wint_t __wc) {return iswxdigit(__wc);}
#undef iswxdigit
inline _LIBCPP_INLINE_VISIBILITY int iswxdigit(wint_t __wc) {return __libcpp_iswxdigit(__wc);}
#else // iswxdigit
using ::iswxdigit;
#endif
#ifdef iswctype
inline _LIBCPP_INLINE_VISIBILITY int __libcpp_iswctype(wint_t __w, wctype_t __d) {return iswctype(__w, __d);}
#undef iswctype
inline _LIBCPP_INLINE_VISIBILITY int iswctype(wint_t __w, wctype_t __d) {return __libcpp_iswctype(__w, __d);}
#else // iswctype
using ::iswctype;
#endif
#ifdef wctype
inline _LIBCPP_INLINE_VISIBILITY wctype_t __libcpp_wctype(const char* __p) {return wctype(__p);}
#undef wctype
inline _LIBCPP_INLINE_VISIBILITY wctype_t wctype(const char* __p) {return __libcpp_wctype(__p);}
#else // wctype
using ::wctype;
#endif
#ifdef towlower
inline _LIBCPP_INLINE_VISIBILITY wint_t __libcpp_towlower(wint_t __wc) {return towlower(__wc);}
#undef towlower
inline _LIBCPP_INLINE_VISIBILITY wint_t towlower(wint_t __wc) {return __libcpp_towlower(__wc);}
#else // towlower
using ::towlower;
#endif
#ifdef towupper
inline _LIBCPP_INLINE_VISIBILITY wint_t __libcpp_towupper(wint_t __wc) {return towupper(__wc);}
#undef towupper
inline _LIBCPP_INLINE_VISIBILITY wint_t towupper(wint_t __wc) {return __libcpp_towupper(__wc);}
#else // towupper
using ::towupper;
#endif
#ifdef towctrans
inline _LIBCPP_INLINE_VISIBILITY wint_t __libcpp_towctrans(wint_t __wc, wctype_t __d) {return towctrans(__wc, __d);}
#undef towctrans
inline _LIBCPP_INLINE_VISIBILITY wint_t towctrans(wint_t __wc, wctype_t __d) {return __libcpp_towctrans(__wc, __d);}
#else // towctrans
using ::towctrans;
#endif
#ifdef wctrans
inline _LIBCPP_INLINE_VISIBILITY wctrans_t __libcpp_wctrans(const char* __p) {return wctrans(__p);}
#undef wctrans
inline _LIBCPP_INLINE_VISIBILITY wctrans_t wctrans(const char* __p) {return __libcpp_wctrans(__p);}
#else // wctrans
using ::wctrans;
#endif
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_CWCTYPE

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// -*- C++ -*-
//===-------------------------- exception ---------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_EXCEPTION
#define _LIBCPP_EXCEPTION
/*
exception synopsis
namespace std
{
class exception
{
public:
exception() noexcept;
exception(const exception&) noexcept;
exception& operator=(const exception&) noexcept;
virtual ~exception() noexcept;
virtual const char* what() const noexcept;
};
class bad_exception
: public exception
{
public:
bad_exception() noexcept;
bad_exception(const bad_exception&) noexcept;
bad_exception& operator=(const bad_exception&) noexcept;
virtual ~bad_exception() noexcept;
virtual const char* what() const noexcept;
};
typedef void (*unexpected_handler)();
unexpected_handler set_unexpected(unexpected_handler f ) noexcept;
unexpected_handler get_unexpected() noexcept;
[[noreturn]] void unexpected();
typedef void (*terminate_handler)();
terminate_handler set_terminate(terminate_handler f ) noexcept;
terminate_handler get_terminate() noexcept;
[[noreturn]] void terminate() noexcept;
bool uncaught_exception() noexcept;
typedef unspecified exception_ptr;
exception_ptr current_exception() noexcept;
void rethrow_exception [[noreturn]] (exception_ptr p);
template<class E> exception_ptr make_exception_ptr(E e) noexcept;
class nested_exception
{
public:
nested_exception() noexcept;
nested_exception(const nested_exception&) noexcept = default;
nested_exception& operator=(const nested_exception&) noexcept = default;
virtual ~nested_exception() = default;
// access functions
[[noreturn]] void rethrow_nested() const;
exception_ptr nested_ptr() const noexcept;
};
template <class T> [[noreturn]] void throw_with_nested(T&& t);
template <class E> void rethrow_if_nested(const E& e);
} // std
*/
#include <__config>
#include <cstddef>
#include <type_traits>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
namespace std // purposefully not using versioning namespace
{
class _LIBCPP_EXCEPTION_ABI exception
{
public:
_LIBCPP_INLINE_VISIBILITY exception() _NOEXCEPT {}
virtual ~exception() _NOEXCEPT;
virtual const char* what() const _NOEXCEPT;
};
class _LIBCPP_EXCEPTION_ABI bad_exception
: public exception
{
public:
_LIBCPP_INLINE_VISIBILITY bad_exception() _NOEXCEPT {}
virtual ~bad_exception() _NOEXCEPT;
virtual const char* what() const _NOEXCEPT;
};
typedef void (*unexpected_handler)();
_LIBCPP_FUNC_VIS unexpected_handler set_unexpected(unexpected_handler) _NOEXCEPT;
_LIBCPP_FUNC_VIS unexpected_handler get_unexpected() _NOEXCEPT;
_LIBCPP_NORETURN _LIBCPP_FUNC_VIS void unexpected();
typedef void (*terminate_handler)();
_LIBCPP_FUNC_VIS terminate_handler set_terminate(terminate_handler) _NOEXCEPT;
_LIBCPP_FUNC_VIS terminate_handler get_terminate() _NOEXCEPT;
_LIBCPP_NORETURN _LIBCPP_FUNC_VIS void terminate() _NOEXCEPT;
_LIBCPP_FUNC_VIS bool uncaught_exception() _NOEXCEPT;
class _LIBCPP_TYPE_VIS exception_ptr;
_LIBCPP_FUNC_VIS exception_ptr current_exception() _NOEXCEPT;
_LIBCPP_NORETURN _LIBCPP_FUNC_VIS void rethrow_exception(exception_ptr);
class _LIBCPP_TYPE_VIS exception_ptr
{
void* __ptr_;
public:
_LIBCPP_INLINE_VISIBILITY exception_ptr() _NOEXCEPT : __ptr_() {}
_LIBCPP_INLINE_VISIBILITY exception_ptr(nullptr_t) _NOEXCEPT : __ptr_() {}
exception_ptr(const exception_ptr&) _NOEXCEPT;
exception_ptr& operator=(const exception_ptr&) _NOEXCEPT;
~exception_ptr() _NOEXCEPT;
_LIBCPP_INLINE_VISIBILITY
_LIBCPP_EXPLICIT
operator bool() const _NOEXCEPT {return __ptr_ != nullptr;}
friend _LIBCPP_INLINE_VISIBILITY
bool operator==(const exception_ptr& __x, const exception_ptr& __y) _NOEXCEPT
{return __x.__ptr_ == __y.__ptr_;}
friend _LIBCPP_INLINE_VISIBILITY
bool operator!=(const exception_ptr& __x, const exception_ptr& __y) _NOEXCEPT
{return !(__x == __y);}
friend _LIBCPP_FUNC_VIS exception_ptr current_exception() _NOEXCEPT;
friend _LIBCPP_FUNC_VIS void rethrow_exception(exception_ptr);
};
template<class _Ep>
exception_ptr
make_exception_ptr(_Ep __e) _NOEXCEPT
{
#ifndef _LIBCPP_NO_EXCEPTIONS
try
{
throw __e;
}
catch (...)
{
return current_exception();
}
#endif // _LIBCPP_NO_EXCEPTIONS
}
// nested_exception
class _LIBCPP_EXCEPTION_ABI nested_exception
{
exception_ptr __ptr_;
public:
nested_exception() _NOEXCEPT;
// nested_exception(const nested_exception&) noexcept = default;
// nested_exception& operator=(const nested_exception&) noexcept = default;
virtual ~nested_exception() _NOEXCEPT;
// access functions
_LIBCPP_NORETURN void rethrow_nested() const;
_LIBCPP_INLINE_VISIBILITY exception_ptr nested_ptr() const _NOEXCEPT {return __ptr_;}
};
template <class _Tp>
struct __nested
: public _Tp,
public nested_exception
{
_LIBCPP_INLINE_VISIBILITY explicit __nested(const _Tp& __t) : _Tp(__t) {}
};
template <class _Tp>
_LIBCPP_NORETURN
void
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
throw_with_nested(_Tp&& __t, typename enable_if<
is_class<typename remove_reference<_Tp>::type>::value &&
!is_base_of<nested_exception, typename remove_reference<_Tp>::type>::value
>::type* = 0)
#else // _LIBCPP_HAS_NO_RVALUE_REFERENCES
throw_with_nested (_Tp& __t, typename enable_if<
is_class<_Tp>::value && !is_base_of<nested_exception, _Tp>::value
>::type* = 0)
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
{
#ifndef _LIBCPP_NO_EXCEPTIONS
throw __nested<typename remove_reference<_Tp>::type>(_VSTD::forward<_Tp>(__t));
#endif
}
template <class _Tp>
_LIBCPP_NORETURN
void
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
throw_with_nested(_Tp&& __t, typename enable_if<
!is_class<typename remove_reference<_Tp>::type>::value ||
is_base_of<nested_exception, typename remove_reference<_Tp>::type>::value
>::type* = 0)
#else // _LIBCPP_HAS_NO_RVALUE_REFERENCES
throw_with_nested (_Tp& __t, typename enable_if<
!is_class<_Tp>::value || is_base_of<nested_exception, _Tp>::value
>::type* = 0)
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
{
#ifndef _LIBCPP_NO_EXCEPTIONS
throw _VSTD::forward<_Tp>(__t);
#endif
}
template <class _Ep>
inline _LIBCPP_INLINE_VISIBILITY
void
rethrow_if_nested(const _Ep& __e, typename enable_if<
is_polymorphic<_Ep>::value
>::type* = 0)
{
const nested_exception* __nep = dynamic_cast<const nested_exception*>(&__e);
if (__nep)
__nep->rethrow_nested();
}
template <class _Ep>
inline _LIBCPP_INLINE_VISIBILITY
void
rethrow_if_nested(const _Ep&, typename enable_if<
!is_polymorphic<_Ep>::value
>::type* = 0)
{
}
} // std
#endif // _LIBCPP_EXCEPTION

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// -*- C++ -*-
//===-------------------------- dynarray ----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_DYNARRAY
#define _LIBCPP_DYNARRAY
#include <__config>
#if _LIBCPP_STD_VER > 11
/*
dynarray synopsis
namespace std { namespace experimental {
template< typename T >
class dynarray
{
// types:
typedef T value_type;
typedef T& reference;
typedef const T& const_reference;
typedef T* pointer;
typedef const T* const_pointer;
typedef implementation-defined iterator;
typedef implementation-defined const_iterator;
typedef reverse_iterator<iterator> reverse_iterator;
typedef reverse_iterator<const_iterator> const_reverse_iterator;
typedef size_t size_type;
typedef ptrdiff_t difference_type;
public:
// construct/copy/destroy:
explicit dynarray(size_type c);
template <typename Alloc>
dynarray(size_type c, const Alloc& alloc);
dynarray(size_type c, const T& v);
template <typename Alloc>
dynarray(size_type c, const T& v, const Alloc& alloc);
dynarray(const dynarray& d);
template <typename Alloc>
dynarray(const dynarray& d, const Alloc& alloc);
dynarray(initializer_list<T>);
template <typename Alloc>
dynarray(initializer_list<T>, const Alloc& alloc);
dynarray& operator=(const dynarray&) = delete;
~dynarray();
// iterators:
iterator begin() noexcept;
const_iterator begin() const noexcept;
const_iterator cbegin() const noexcept;
iterator end() noexcept;
const_iterator end() const noexcept;
const_iterator cend() const noexcept;
reverse_iterator rbegin() noexcept;
const_reverse_iterator rbegin() const noexcept;
const_reverse_iterator crbegin() const noexcept;
reverse_iterator rend() noexcept;
const_reverse_iterator rend() const noexcept;
const_reverse_iterator crend() const noexcept;
// capacity:
size_type size() const noexcept;
size_type max_size() const noexcept;
bool empty() const noexcept;
// element access:
reference operator[](size_type n);
const_reference operator[](size_type n) const;
reference front();
const_reference front() const;
reference back();
const_reference back() const;
const_reference at(size_type n) const;
reference at(size_type n);
// data access:
T* data() noexcept;
const T* data() const noexcept;
// mutating member functions:
void fill(const T& v);
};
}} // std::experimental
*/
#include <__functional_base>
#include <iterator>
#include <stdexcept>
#include <initializer_list>
#include <new>
#include <algorithm>
#if defined(_LIBCPP_NO_EXCEPTIONS)
#include <cassert>
#endif
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
namespace std { namespace experimental { inline namespace __array_extensions_v1 {
template <class _Tp>
struct _LIBCPP_TYPE_VIS_ONLY dynarray
{
public:
// types:
typedef dynarray __self;
typedef _Tp value_type;
typedef value_type& reference;
typedef const value_type& const_reference;
typedef value_type* iterator;
typedef const value_type* const_iterator;
typedef value_type* pointer;
typedef const value_type* const_pointer;
typedef size_t size_type;
typedef ptrdiff_t difference_type;
typedef std::reverse_iterator<iterator> reverse_iterator;
typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
private:
size_t __size_;
value_type * __base_;
_LIBCPP_ALWAYS_INLINE dynarray () noexcept : __base_(nullptr), __size_(0) {}
static inline _LIBCPP_INLINE_VISIBILITY value_type* __allocate ( size_t count )
{
if ( numeric_limits<size_t>::max() / sizeof (value_type) <= count )
{
#ifndef _LIBCPP_NO_EXCEPTIONS
throw bad_array_length();
#else
assert(!"dynarray::allocation");
#endif
}
return static_cast<value_type *> (::operator new (sizeof(value_type) * count));
}
static inline _LIBCPP_INLINE_VISIBILITY void __deallocate ( value_type* __ptr ) noexcept
{
::operator delete (static_cast<void *> (__ptr));
}
public:
explicit dynarray(size_type __c);
dynarray(size_type __c, const value_type& __v);
dynarray(const dynarray& __d);
dynarray(initializer_list<value_type>);
// We're not implementing these right now.
// Waiting for the resolution of LWG issue #2235
// template <typename _Alloc>
// dynarray(size_type __c, const _Alloc& __alloc);
// template <typename _Alloc>
// dynarray(size_type __c, const value_type& __v, const _Alloc& __alloc);
// template <typename _Alloc>
// dynarray(const dynarray& __d, const _Alloc& __alloc);
// template <typename _Alloc>
// dynarray(initializer_list<value_type>, const _Alloc& __alloc);
dynarray& operator=(const dynarray&) = delete;
~dynarray();
// iterators:
inline _LIBCPP_INLINE_VISIBILITY iterator begin() noexcept { return iterator(data()); }
inline _LIBCPP_INLINE_VISIBILITY const_iterator begin() const noexcept { return const_iterator(data()); }
inline _LIBCPP_INLINE_VISIBILITY const_iterator cbegin() const noexcept { return const_iterator(data()); }
inline _LIBCPP_INLINE_VISIBILITY iterator end() noexcept { return iterator(data() + __size_); }
inline _LIBCPP_INLINE_VISIBILITY const_iterator end() const noexcept { return const_iterator(data() + __size_); }
inline _LIBCPP_INLINE_VISIBILITY const_iterator cend() const noexcept { return const_iterator(data() + __size_); }
inline _LIBCPP_INLINE_VISIBILITY reverse_iterator rbegin() noexcept { return reverse_iterator(end()); }
inline _LIBCPP_INLINE_VISIBILITY const_reverse_iterator rbegin() const noexcept { return const_reverse_iterator(end()); }
inline _LIBCPP_INLINE_VISIBILITY const_reverse_iterator crbegin() const noexcept { return const_reverse_iterator(end()); }
inline _LIBCPP_INLINE_VISIBILITY reverse_iterator rend() noexcept { return reverse_iterator(begin()); }
inline _LIBCPP_INLINE_VISIBILITY const_reverse_iterator rend() const noexcept { return const_reverse_iterator(begin()); }
inline _LIBCPP_INLINE_VISIBILITY const_reverse_iterator crend() const noexcept { return const_reverse_iterator(begin()); }
// capacity:
inline _LIBCPP_INLINE_VISIBILITY size_type size() const noexcept { return __size_; }
inline _LIBCPP_INLINE_VISIBILITY size_type max_size() const noexcept { return __size_; }
inline _LIBCPP_INLINE_VISIBILITY bool empty() const noexcept { return __size_ == 0; }
// element access:
inline _LIBCPP_INLINE_VISIBILITY reference operator[](size_type __n) { return data()[__n]; }
inline _LIBCPP_INLINE_VISIBILITY const_reference operator[](size_type __n) const { return data()[__n]; }
inline _LIBCPP_INLINE_VISIBILITY reference front() { return data()[0]; }
inline _LIBCPP_INLINE_VISIBILITY const_reference front() const { return data()[0]; }
inline _LIBCPP_INLINE_VISIBILITY reference back() { return data()[__size_-1]; }
inline _LIBCPP_INLINE_VISIBILITY const_reference back() const { return data()[__size_-1]; }
inline _LIBCPP_INLINE_VISIBILITY const_reference at(size_type __n) const;
inline _LIBCPP_INLINE_VISIBILITY reference at(size_type __n);
// data access:
inline _LIBCPP_INLINE_VISIBILITY _Tp* data() noexcept { return __base_; }
inline _LIBCPP_INLINE_VISIBILITY const _Tp* data() const noexcept { return __base_; }
// mutating member functions:
inline _LIBCPP_INLINE_VISIBILITY void fill(const value_type& __v) { fill_n(begin(), __size_, __v); }
};
template <class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
dynarray<_Tp>::dynarray(size_type __c) : dynarray ()
{
__base_ = __allocate (__c);
value_type *__data = data ();
for ( __size_ = 0; __size_ < __c; ++__size_, ++__data )
::new (__data) value_type;
}
template <class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
dynarray<_Tp>::dynarray(size_type __c, const value_type& __v) : dynarray ()
{
__base_ = __allocate (__c);
value_type *__data = data ();
for ( __size_ = 0; __size_ < __c; ++__size_, ++__data )
::new (__data) value_type (__v);
}
template <class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
dynarray<_Tp>::dynarray(initializer_list<value_type> __il) : dynarray ()
{
size_t sz = __il.size();
__base_ = __allocate (sz);
value_type *__data = data ();
auto src = __il.begin();
for ( __size_ = 0; __size_ < sz; ++__size_, ++__data, ++src )
::new (__data) value_type (*src);
}
template <class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
dynarray<_Tp>::dynarray(const dynarray& __d) : dynarray ()
{
size_t sz = __d.size();
__base_ = __allocate (sz);
value_type *__data = data ();
auto src = __d.begin();
for ( __size_ = 0; __size_ < sz; ++__size_, ++__data, ++src )
::new (__data) value_type (*src);
}
template <class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
dynarray<_Tp>::~dynarray()
{
value_type *__data = data () + __size_;
for ( size_t i = 0; i < __size_; ++i )
(--__data)->value_type::~value_type();
__deallocate ( __base_ );
}
template <class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
typename dynarray<_Tp>::reference
dynarray<_Tp>::at(size_type __n)
{
if (__n >= __size_)
{
#ifndef _LIBCPP_NO_EXCEPTIONS
throw out_of_range("dynarray::at");
#else
assert(!"dynarray::at out_of_range");
#endif
}
return data()[__n];
}
template <class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
typename dynarray<_Tp>::const_reference
dynarray<_Tp>::at(size_type __n) const
{
if (__n >= __size_)
{
#ifndef _LIBCPP_NO_EXCEPTIONS
throw out_of_range("dynarray::at");
#else
assert(!"dynarray::at out_of_range");
#endif
}
return data()[__n];
}
}}}
_LIBCPP_BEGIN_NAMESPACE_STD
template <class _Tp, class _Alloc>
struct _LIBCPP_TYPE_VIS_ONLY uses_allocator<std::experimental::dynarray<_Tp>, _Alloc> : true_type {};
_LIBCPP_END_NAMESPACE_STD
#endif // if _LIBCPP_STD_VER > 11
#endif // _LIBCPP_DYNARRAY

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// -*- C++ -*-
//===-------------------------- optional ----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_OPTIONAL
#define _LIBCPP_OPTIONAL
/*
optional synopsis
// C++1y
#include <initializer_list>
namespace std { namespace experimental {
// optional for object types
template <class T>
class optional
{
public:
typedef T value_type;
// constructors
constexpr optional() noexcept;
constexpr optional(nullopt_t) noexcept;
optional(const optional&);
optional(optional&&) noexcept(is_nothrow_move_constructible<T>::value);
constexpr optional(const T&);
constexpr optional(T&&);
template <class... Args> constexpr explicit optional(in_place_t, Args&&...);
template <class U, class... Args>
constexpr explicit optional(in_place_t, initializer_list<U>, Args&&...);
// destructor
~optional();
// assignment
optional& operator=(nullopt_t) noexcept;
optional& operator=(const optional&);
optional& operator=(optional&&)
noexcept(is_nothrow_move_assignable<T>::value &&
is_nothrow_move_constructible<T>::value);
template <class U> optional& operator=(U&&);
template <class... Args> void emplace(Args&&...);
template <class U, class... Args> void emplace(initializer_list<U>, Args&&...);
// swap
void swap(optional&)
noexcept(is_nothrow_move_constructible<T>::value &&
noexcept(swap(declval<T&>(), declval<T&>())));
// observers
constexpr T const* operator->() const;
T* operator->();
constexpr T const& operator*() const;
T& operator*();
constexpr explicit operator bool() const noexcept;
constexpr T const& value() const;
T& value();
template <class U> constexpr T value_or(U&&) const&;
template <class U> T value_or(U&&) &&;
};
// In-place construction
struct in_place_t{};
constexpr in_place_t in_place{};
// Disengaged state indicator
struct nullopt_t{see below};
constexpr nullopt_t nullopt(unspecified);
// class bad_optional_access
class bad_optional_access
: public logic_error
{
public:
explicit bad_optional_access(const string& what_arg);
explicit bad_optional_access(const char* what_arg);
};
// Relational operators
template <class T> constexpr bool operator==(const optional<T>&, const optional<T>&);
template <class T> constexpr bool operator< (const optional<T>&, const optional<T>&);
// Comparison with nullopt
template <class T> constexpr bool operator==(const optional<T>&, nullopt_t) noexcept;
template <class T> constexpr bool operator==(nullopt_t, const optional<T>&) noexcept;
template <class T> constexpr bool operator<(const optional<T>&, nullopt_t) noexcept;
template <class T> constexpr bool operator<(nullopt_t, const optional<T>&) noexcept;
// Comparison with T
template <class T> constexpr bool operator==(const optional<T>&, const T&);
template <class T> constexpr bool operator==(const T&, const optional<T>&);
template <class T> constexpr bool operator<(const optional<T>&, const T&);
template <class T> constexpr bool operator<(const T&, const optional<T>&);
// Specialized algorithms
template <class T> void swap(optional<T>&, optional<T>&) noexcept(see below);
template <class T> constexpr optional<typename decay<T>::type> make_optional(T&&);
// hash support
template <class T> struct hash;
template <class T> struct hash<optional<T>>;
}} // std::experimental
*/
#include <__config>
#include <functional>
#include <stdexcept>
namespace std { namespace experimental {
class _LIBCPP_EXCEPTION_ABI bad_optional_access
: public logic_error
{
public:
#if _LIBCPP_STD_VER > 11
_LIBCPP_INLINE_VISIBILITY explicit bad_optional_access(const string& __arg)
: logic_error(__arg) {}
_LIBCPP_INLINE_VISIBILITY explicit bad_optional_access(const char* __arg)
: logic_error(__arg) {}
_LIBCPP_INLINE_VISIBILITY bad_optional_access(const bad_optional_access&) noexcept = default;
_LIBCPP_INLINE_VISIBILITY bad_optional_access& operator=(const bad_optional_access&) noexcept = default;
#else
private:
bad_optional_access(const bad_optional_access&);
bad_optional_access& operator=(const bad_optional_access&);
public:
#endif // _LIBCPP_STD_VER > 11
// Get the key function ~bad_optional_access() into the dylib even if not compiling for C++1y
virtual ~bad_optional_access() _NOEXCEPT;
};
}} // std::experimental
#if _LIBCPP_STD_VER > 11
#include <initializer_list>
#include <type_traits>
#include <new>
#include <__functional_base>
#include <__undef_min_max>
#ifdef _LIBCPP_DEBUG
# include <__debug>
#else
# define _LIBCPP_ASSERT(x, m) ((void)0)
#endif
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
namespace std { namespace experimental { inline namespace __library_fundamentals_v1 {
struct in_place_t {};
constexpr in_place_t in_place{};
struct nullopt_t
{
explicit constexpr nullopt_t(int) noexcept {}
};
constexpr nullopt_t nullopt{0};
template <class _Tp, bool = is_trivially_destructible<_Tp>::value>
class __optional_storage
{
protected:
typedef _Tp value_type;
union
{
char __null_state_;
value_type __val_;
};
bool __engaged_ = false;
_LIBCPP_INLINE_VISIBILITY
~__optional_storage()
{
if (__engaged_)
__val_.~value_type();
}
_LIBCPP_INLINE_VISIBILITY
constexpr __optional_storage() noexcept
: __null_state_('\0') {}
_LIBCPP_INLINE_VISIBILITY
__optional_storage(const __optional_storage& __x)
: __engaged_(__x.__engaged_)
{
if (__engaged_)
::new(_VSTD::addressof(__val_)) value_type(__x.__val_);
}
_LIBCPP_INLINE_VISIBILITY
__optional_storage(__optional_storage&& __x)
noexcept(is_nothrow_move_constructible<value_type>::value)
: __engaged_(__x.__engaged_)
{
if (__engaged_)
::new(_VSTD::addressof(__val_)) value_type(_VSTD::move(__x.__val_));
}
_LIBCPP_INLINE_VISIBILITY
constexpr __optional_storage(const value_type& __v)
: __val_(__v),
__engaged_(true) {}
_LIBCPP_INLINE_VISIBILITY
constexpr __optional_storage(value_type&& __v)
: __val_(_VSTD::move(__v)),
__engaged_(true) {}
template <class... _Args>
_LIBCPP_INLINE_VISIBILITY
constexpr
explicit __optional_storage(in_place_t, _Args&&... __args)
: __val_(_VSTD::forward<_Args>(__args)...),
__engaged_(true) {}
};
template <class _Tp>
class __optional_storage<_Tp, true>
{
protected:
typedef _Tp value_type;
union
{
char __null_state_;
value_type __val_;
};
bool __engaged_ = false;
_LIBCPP_INLINE_VISIBILITY
constexpr __optional_storage() noexcept
: __null_state_('\0') {}
_LIBCPP_INLINE_VISIBILITY
__optional_storage(const __optional_storage& __x)
: __engaged_(__x.__engaged_)
{
if (__engaged_)
::new(_VSTD::addressof(__val_)) value_type(__x.__val_);
}
_LIBCPP_INLINE_VISIBILITY
__optional_storage(__optional_storage&& __x)
noexcept(is_nothrow_move_constructible<value_type>::value)
: __engaged_(__x.__engaged_)
{
if (__engaged_)
::new(_VSTD::addressof(__val_)) value_type(_VSTD::move(__x.__val_));
}
_LIBCPP_INLINE_VISIBILITY
constexpr __optional_storage(const value_type& __v)
: __val_(__v),
__engaged_(true) {}
_LIBCPP_INLINE_VISIBILITY
constexpr __optional_storage(value_type&& __v)
: __val_(_VSTD::move(__v)),
__engaged_(true) {}
template <class... _Args>
_LIBCPP_INLINE_VISIBILITY
constexpr
explicit __optional_storage(in_place_t, _Args&&... __args)
: __val_(_VSTD::forward<_Args>(__args)...),
__engaged_(true) {}
};
template <class _Tp>
class optional
: private __optional_storage<_Tp>
{
typedef __optional_storage<_Tp> __base;
public:
typedef _Tp value_type;
static_assert(!is_reference<value_type>::value,
"Instantiation of optional with a reference type is ill-formed.");
static_assert(!is_same<typename remove_cv<value_type>::type, in_place_t>::value,
"Instantiation of optional with a in_place_t type is ill-formed.");
static_assert(!is_same<typename remove_cv<value_type>::type, nullopt_t>::value,
"Instantiation of optional with a nullopt_t type is ill-formed.");
static_assert(is_object<value_type>::value,
"Instantiation of optional with a non-object type is undefined behavior.");
static_assert(is_nothrow_destructible<value_type>::value,
"Instantiation of optional with an object type that is not noexcept destructible is undefined behavior.");
_LIBCPP_INLINE_VISIBILITY constexpr optional() noexcept {}
_LIBCPP_INLINE_VISIBILITY optional(const optional&) = default;
_LIBCPP_INLINE_VISIBILITY optional(optional&&) = default;
_LIBCPP_INLINE_VISIBILITY ~optional() = default;
_LIBCPP_INLINE_VISIBILITY constexpr optional(nullopt_t) noexcept {}
_LIBCPP_INLINE_VISIBILITY constexpr optional(const value_type& __v)
: __base(__v) {}
_LIBCPP_INLINE_VISIBILITY constexpr optional(value_type&& __v)
: __base(_VSTD::move(__v)) {}
template <class... _Args,
class = typename enable_if
<
is_constructible<value_type, _Args...>::value
>::type
>
_LIBCPP_INLINE_VISIBILITY
constexpr
explicit optional(in_place_t, _Args&&... __args)
: __base(in_place, _VSTD::forward<_Args>(__args)...) {}
template <class _Up, class... _Args,
class = typename enable_if
<
is_constructible<value_type, initializer_list<_Up>&, _Args...>::value
>::type
>
_LIBCPP_INLINE_VISIBILITY
constexpr
explicit optional(in_place_t, initializer_list<_Up> __il, _Args&&... __args)
: __base(in_place, __il, _VSTD::forward<_Args>(__args)...) {}
_LIBCPP_INLINE_VISIBILITY
optional& operator=(nullopt_t) noexcept
{
if (this->__engaged_)
{
this->__val_.~value_type();
this->__engaged_ = false;
}
return *this;
}
_LIBCPP_INLINE_VISIBILITY
optional&
operator=(const optional& __opt)
{
if (this->__engaged_ == __opt.__engaged_)
{
if (this->__engaged_)
this->__val_ = __opt.__val_;
}
else
{
if (this->__engaged_)
this->__val_.~value_type();
else
::new(_VSTD::addressof(this->__val_)) value_type(__opt.__val_);
this->__engaged_ = __opt.__engaged_;
}
return *this;
}
_LIBCPP_INLINE_VISIBILITY
optional&
operator=(optional&& __opt)
noexcept(is_nothrow_move_assignable<value_type>::value &&
is_nothrow_move_constructible<value_type>::value)
{
if (this->__engaged_ == __opt.__engaged_)
{
if (this->__engaged_)
this->__val_ = _VSTD::move(__opt.__val_);
}
else
{
if (this->__engaged_)
this->__val_.~value_type();
else
::new(_VSTD::addressof(this->__val_)) value_type(_VSTD::move(__opt.__val_));
this->__engaged_ = __opt.__engaged_;
}
return *this;
}
template <class _Up,
class = typename enable_if
<
is_same<typename remove_reference<_Up>::type, value_type>::value &&
is_constructible<value_type, _Up>::value &&
is_assignable<value_type&, _Up>::value
>::type
>
_LIBCPP_INLINE_VISIBILITY
optional&
operator=(_Up&& __v)
{
if (this->__engaged_)
this->__val_ = _VSTD::forward<_Up>(__v);
else
{
::new(_VSTD::addressof(this->__val_)) value_type(_VSTD::forward<_Up>(__v));
this->__engaged_ = true;
}
return *this;
}
template <class... _Args,
class = typename enable_if
<
is_constructible<value_type, _Args...>::value
>::type
>
_LIBCPP_INLINE_VISIBILITY
void
emplace(_Args&&... __args)
{
*this = nullopt;
::new(_VSTD::addressof(this->__val_)) value_type(_VSTD::forward<_Args>(__args)...);
this->__engaged_ = true;
}
template <class _Up, class... _Args,
class = typename enable_if
<
is_constructible<value_type, initializer_list<_Up>&, _Args...>::value
>::type
>
_LIBCPP_INLINE_VISIBILITY
void
emplace(initializer_list<_Up> __il, _Args&&... __args)
{
*this = nullopt;
::new(_VSTD::addressof(this->__val_)) value_type(__il, _VSTD::forward<_Args>(__args)...);
this->__engaged_ = true;
}
_LIBCPP_INLINE_VISIBILITY
void
swap(optional& __opt)
noexcept(is_nothrow_move_constructible<value_type>::value &&
__is_nothrow_swappable<value_type>::value)
{
using _VSTD::swap;
if (this->__engaged_ == __opt.__engaged_)
{
if (this->__engaged_)
swap(this->__val_, __opt.__val_);
}
else
{
if (this->__engaged_)
{
::new(_VSTD::addressof(__opt.__val_)) value_type(_VSTD::move(this->__val_));
this->__val_.~value_type();
}
else
{
::new(_VSTD::addressof(this->__val_)) value_type(_VSTD::move(__opt.__val_));
__opt.__val_.~value_type();
}
swap(this->__engaged_, __opt.__engaged_);
}
}
_LIBCPP_INLINE_VISIBILITY
constexpr
value_type const*
operator->() const
{
_LIBCPP_ASSERT(this->__engaged_, "optional operator-> called for disengaged value");
return __operator_arrow(__has_operator_addressof<value_type>{});
}
_LIBCPP_INLINE_VISIBILITY
value_type*
operator->()
{
_LIBCPP_ASSERT(this->__engaged_, "optional operator-> called for disengaged value");
return _VSTD::addressof(this->__val_);
}
_LIBCPP_INLINE_VISIBILITY
constexpr
const value_type&
operator*() const
{
_LIBCPP_ASSERT(this->__engaged_, "optional operator* called for disengaged value");
return this->__val_;
}
_LIBCPP_INLINE_VISIBILITY
value_type&
operator*()
{
_LIBCPP_ASSERT(this->__engaged_, "optional operator* called for disengaged value");
return this->__val_;
}
_LIBCPP_INLINE_VISIBILITY
constexpr explicit operator bool() const noexcept {return this->__engaged_;}
_LIBCPP_INLINE_VISIBILITY
constexpr value_type const& value() const
{
if (!this->__engaged_)
throw bad_optional_access("optional<T>::value: not engaged");
return this->__val_;
}
_LIBCPP_INLINE_VISIBILITY
value_type& value()
{
if (!this->__engaged_)
throw bad_optional_access("optional<T>::value: not engaged");
return this->__val_;
}
template <class _Up>
_LIBCPP_INLINE_VISIBILITY
constexpr value_type value_or(_Up&& __v) const&
{
static_assert(is_copy_constructible<value_type>::value,
"optional<T>::value_or: T must be copy constructible");
static_assert(is_convertible<_Up, value_type>::value,
"optional<T>::value_or: U must be convertible to T");
return this->__engaged_ ? this->__val_ :
static_cast<value_type>(_VSTD::forward<_Up>(__v));
}
template <class _Up>
_LIBCPP_INLINE_VISIBILITY
value_type value_or(_Up&& __v) &&
{
static_assert(is_move_constructible<value_type>::value,
"optional<T>::value_or: T must be move constructible");
static_assert(is_convertible<_Up, value_type>::value,
"optional<T>::value_or: U must be convertible to T");
return this->__engaged_ ? _VSTD::move(this->__val_) :
static_cast<value_type>(_VSTD::forward<_Up>(__v));
}
private:
_LIBCPP_INLINE_VISIBILITY
value_type const*
__operator_arrow(true_type) const
{
return _VSTD::addressof(this->__val_);
}
_LIBCPP_INLINE_VISIBILITY
constexpr
value_type const*
__operator_arrow(false_type) const
{
return &this->__val_;
}
};
template <class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
constexpr
bool
operator==(const optional<_Tp>& __x, const optional<_Tp>& __y)
{
if (static_cast<bool>(__x) != static_cast<bool>(__y))
return false;
if (!static_cast<bool>(__x))
return true;
return *__x == *__y;
}
template <class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
constexpr
bool
operator<(const optional<_Tp>& __x, const optional<_Tp>& __y)
{
if (!static_cast<bool>(__y))
return false;
if (!static_cast<bool>(__x))
return true;
return less<_Tp>{}(*__x, *__y);
}
template <class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
constexpr
bool
operator==(const optional<_Tp>& __x, nullopt_t) noexcept
{
return !static_cast<bool>(__x);
}
template <class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
constexpr
bool
operator==(nullopt_t, const optional<_Tp>& __x) noexcept
{
return !static_cast<bool>(__x);
}
template <class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
constexpr
bool
operator<(const optional<_Tp>&, nullopt_t) noexcept
{
return false;
}
template <class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
constexpr
bool
operator<(nullopt_t, const optional<_Tp>& __x) noexcept
{
return static_cast<bool>(__x);
}
template <class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
constexpr
bool
operator==(const optional<_Tp>& __x, const _Tp& __v)
{
return static_cast<bool>(__x) ? *__x == __v : false;
}
template <class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
constexpr
bool
operator==(const _Tp& __v, const optional<_Tp>& __x)
{
return static_cast<bool>(__x) ? *__x == __v : false;
}
template <class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
constexpr
bool
operator<(const optional<_Tp>& __x, const _Tp& __v)
{
return static_cast<bool>(__x) ? less<_Tp>{}(*__x, __v) : true;
}
template <class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
constexpr
bool
operator<(const _Tp& __v, const optional<_Tp>& __x)
{
return static_cast<bool>(__x) ? less<_Tp>{}(__v, *__x) : false;
}
template <class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
void
swap(optional<_Tp>& __x, optional<_Tp>& __y) noexcept(noexcept(__x.swap(__y)))
{
__x.swap(__y);
}
template <class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
constexpr
optional<typename decay<_Tp>::type>
make_optional(_Tp&& __v)
{
return optional<typename decay<_Tp>::type>(_VSTD::forward<_Tp>(__v));
}
}}} // namespace std::experimental::__library_fundamentals_v1
_LIBCPP_BEGIN_NAMESPACE_STD
template <class _Tp>
struct _LIBCPP_TYPE_VIS_ONLY hash<std::experimental::optional<_Tp> >
{
typedef std::experimental::optional<_Tp> argument_type;
typedef size_t result_type;
_LIBCPP_INLINE_VISIBILITY
result_type operator()(const argument_type& __opt) const _NOEXCEPT
{
return static_cast<bool>(__opt) ? hash<_Tp>()(*__opt) : 0;
}
};
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_STD_VER > 11
#endif // _LIBCPP_ARRAY

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// -*- C++ -*-
//===------------------------- hash_set ------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_EXT_HASH
#define _LIBCPP_EXT_HASH
#pragma GCC system_header
#include <string>
#include <cstring>
namespace __gnu_cxx {
using namespace std;
template <typename _Tp> struct _LIBCPP_TYPE_VIS_ONLY hash : public std::hash<_Tp>
{ };
template <> struct _LIBCPP_TYPE_VIS_ONLY hash<const char*>
: public unary_function<const char*, size_t>
{
_LIBCPP_INLINE_VISIBILITY
size_t operator()(const char *__c) const _NOEXCEPT
{
return __do_string_hash(__c, __c + strlen(__c));
}
};
template <> struct _LIBCPP_TYPE_VIS_ONLY hash<char *>
: public unary_function<char*, size_t>
{
_LIBCPP_INLINE_VISIBILITY
size_t operator()(char *__c) const _NOEXCEPT
{
return __do_string_hash<const char *>(__c, __c + strlen(__c));
}
};
}
#endif // _LIBCPP_EXT_HASH

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// -*- C++ -*-
//===------------------------- hash_set ------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_HASH_SET
#define _LIBCPP_HASH_SET
/*
hash_set synopsis
namespace __gnu_cxx
{
template <class Value, class Hash = hash<Value>, class Pred = equal_to<Value>,
class Alloc = allocator<Value>>
class hash_set
{
public:
// types
typedef Value key_type;
typedef key_type value_type;
typedef Hash hasher;
typedef Pred key_equal;
typedef Alloc allocator_type;
typedef value_type& reference;
typedef const value_type& const_reference;
typedef typename allocator_traits<allocator_type>::pointer pointer;
typedef typename allocator_traits<allocator_type>::const_pointer const_pointer;
typedef typename allocator_traits<allocator_type>::size_type size_type;
typedef typename allocator_traits<allocator_type>::difference_type difference_type;
typedef /unspecified/ iterator;
typedef /unspecified/ const_iterator;
explicit hash_set(size_type n = 193, const hasher& hf = hasher(),
const key_equal& eql = key_equal(),
const allocator_type& a = allocator_type());
template <class InputIterator>
hash_set(InputIterator f, InputIterator l,
size_type n = 193, const hasher& hf = hasher(),
const key_equal& eql = key_equal(),
const allocator_type& a = allocator_type());
hash_set(const hash_set&);
~hash_set();
hash_set& operator=(const hash_set&);
allocator_type get_allocator() const;
bool empty() const;
size_type size() const;
size_type max_size() const;
iterator begin();
iterator end();
const_iterator begin() const;
const_iterator end() const;
pair<iterator, bool> insert(const value_type& obj);
template <class InputIterator>
void insert(InputIterator first, InputIterator last);
void erase(const_iterator position);
size_type erase(const key_type& k);
void erase(const_iterator first, const_iterator last);
void clear();
void swap(hash_set&);
hasher hash_funct() const;
key_equal key_eq() const;
iterator find(const key_type& k);
const_iterator find(const key_type& k) const;
size_type count(const key_type& k) const;
pair<iterator, iterator> equal_range(const key_type& k);
pair<const_iterator, const_iterator> equal_range(const key_type& k) const;
size_type bucket_count() const;
size_type max_bucket_count() const;
size_type elems_in_bucket(size_type n) const;
void resize(size_type n);
};
template <class Value, class Hash, class Pred, class Alloc>
void swap(hash_set<Value, Hash, Pred, Alloc>& x,
hash_set<Value, Hash, Pred, Alloc>& y);
template <class Value, class Hash, class Pred, class Alloc>
bool
operator==(const hash_set<Value, Hash, Pred, Alloc>& x,
const hash_set<Value, Hash, Pred, Alloc>& y);
template <class Value, class Hash, class Pred, class Alloc>
bool
operator!=(const hash_set<Value, Hash, Pred, Alloc>& x,
const hash_set<Value, Hash, Pred, Alloc>& y);
template <class Value, class Hash = hash<Value>, class Pred = equal_to<Value>,
class Alloc = allocator<Value>>
class hash_multiset
{
public:
// types
typedef Value key_type;
typedef key_type value_type;
typedef Hash hasher;
typedef Pred key_equal;
typedef Alloc allocator_type;
typedef value_type& reference;
typedef const value_type& const_reference;
typedef typename allocator_traits<allocator_type>::pointer pointer;
typedef typename allocator_traits<allocator_type>::const_pointer const_pointer;
typedef typename allocator_traits<allocator_type>::size_type size_type;
typedef typename allocator_traits<allocator_type>::difference_type difference_type;
typedef /unspecified/ iterator;
typedef /unspecified/ const_iterator;
explicit hash_multiset(size_type n = 193, const hasher& hf = hasher(),
const key_equal& eql = key_equal(),
const allocator_type& a = allocator_type());
template <class InputIterator>
hash_multiset(InputIterator f, InputIterator l,
size_type n = 193, const hasher& hf = hasher(),
const key_equal& eql = key_equal(),
const allocator_type& a = allocator_type());
hash_multiset(const hash_multiset&);
~hash_multiset();
hash_multiset& operator=(const hash_multiset&);
allocator_type get_allocator() const;
bool empty() const;
size_type size() const;
size_type max_size() const;
iterator begin();
iterator end();
const_iterator begin() const;
const_iterator end() const;
iterator insert(const value_type& obj);
template <class InputIterator>
void insert(InputIterator first, InputIterator last);
void erase(const_iterator position);
size_type erase(const key_type& k);
void erase(const_iterator first, const_iterator last);
void clear();
void swap(hash_multiset&);
hasher hash_funct() const;
key_equal key_eq() const;
iterator find(const key_type& k);
const_iterator find(const key_type& k) const;
size_type count(const key_type& k) const;
pair<iterator, iterator> equal_range(const key_type& k);
pair<const_iterator, const_iterator> equal_range(const key_type& k) const;
size_type bucket_count() const;
size_type max_bucket_count() const;
size_type elems_in_bucket(size_type n) const;
void resize(size_type n);
};
template <class Value, class Hash, class Pred, class Alloc>
void swap(hash_multiset<Value, Hash, Pred, Alloc>& x,
hash_multiset<Value, Hash, Pred, Alloc>& y);
template <class Value, class Hash, class Pred, class Alloc>
bool
operator==(const hash_multiset<Value, Hash, Pred, Alloc>& x,
const hash_multiset<Value, Hash, Pred, Alloc>& y);
template <class Value, class Hash, class Pred, class Alloc>
bool
operator!=(const hash_multiset<Value, Hash, Pred, Alloc>& x,
const hash_multiset<Value, Hash, Pred, Alloc>& y);
} // __gnu_cxx
*/
#include <__config>
#include <__hash_table>
#include <functional>
#include <ext/__hash>
#if __DEPRECATED
#if defined(_MSC_VER) && ! defined(__clang__)
_LIBCPP_WARNING("Use of the header <ext/hash_set> is deprecated. Migrate to <unordered_set>")
#else
# warning Use of the header <ext/hash_set> is deprecated. Migrate to <unordered_set>
#endif
#endif
namespace __gnu_cxx {
using namespace std;
template <class _Value, class _Hash = hash<_Value>, class _Pred = equal_to<_Value>,
class _Alloc = allocator<_Value> >
class _LIBCPP_TYPE_VIS_ONLY hash_set
{
public:
// types
typedef _Value key_type;
typedef key_type value_type;
typedef _Hash hasher;
typedef _Pred key_equal;
typedef _Alloc allocator_type;
typedef value_type& reference;
typedef const value_type& const_reference;
private:
typedef __hash_table<value_type, hasher, key_equal, allocator_type> __table;
__table __table_;
public:
typedef typename __table::pointer pointer;
typedef typename __table::const_pointer const_pointer;
typedef typename __table::size_type size_type;
typedef typename __table::difference_type difference_type;
typedef typename __table::const_iterator iterator;
typedef typename __table::const_iterator const_iterator;
_LIBCPP_INLINE_VISIBILITY
hash_set() {__table_.rehash(193);}
explicit hash_set(size_type __n, const hasher& __hf = hasher(),
const key_equal& __eql = key_equal());
hash_set(size_type __n, const hasher& __hf, const key_equal& __eql,
const allocator_type& __a);
template <class _InputIterator>
hash_set(_InputIterator __first, _InputIterator __last);
template <class _InputIterator>
hash_set(_InputIterator __first, _InputIterator __last,
size_type __n, const hasher& __hf = hasher(),
const key_equal& __eql = key_equal());
template <class _InputIterator>
hash_set(_InputIterator __first, _InputIterator __last,
size_type __n, const hasher& __hf, const key_equal& __eql,
const allocator_type& __a);
hash_set(const hash_set& __u);
_LIBCPP_INLINE_VISIBILITY
allocator_type get_allocator() const
{return allocator_type(__table_.__node_alloc());}
_LIBCPP_INLINE_VISIBILITY
bool empty() const {return __table_.size() == 0;}
_LIBCPP_INLINE_VISIBILITY
size_type size() const {return __table_.size();}
_LIBCPP_INLINE_VISIBILITY
size_type max_size() const {return __table_.max_size();}
_LIBCPP_INLINE_VISIBILITY
iterator begin() {return __table_.begin();}
_LIBCPP_INLINE_VISIBILITY
iterator end() {return __table_.end();}
_LIBCPP_INLINE_VISIBILITY
const_iterator begin() const {return __table_.begin();}
_LIBCPP_INLINE_VISIBILITY
const_iterator end() const {return __table_.end();}
_LIBCPP_INLINE_VISIBILITY
pair<iterator, bool> insert(const value_type& __x)
{return __table_.__insert_unique(__x);}
_LIBCPP_INLINE_VISIBILITY
iterator insert(const_iterator, const value_type& __x) {return insert(__x).first;}
template <class _InputIterator>
void insert(_InputIterator __first, _InputIterator __last);
_LIBCPP_INLINE_VISIBILITY
void erase(const_iterator __p) {__table_.erase(__p);}
_LIBCPP_INLINE_VISIBILITY
size_type erase(const key_type& __k) {return __table_.__erase_unique(__k);}
_LIBCPP_INLINE_VISIBILITY
void erase(const_iterator __first, const_iterator __last)
{__table_.erase(__first, __last);}
_LIBCPP_INLINE_VISIBILITY
void clear() {__table_.clear();}
_LIBCPP_INLINE_VISIBILITY
void swap(hash_set& __u) {__table_.swap(__u.__table_);}
_LIBCPP_INLINE_VISIBILITY
hasher hash_funct() const {return __table_.hash_function();}
_LIBCPP_INLINE_VISIBILITY
key_equal key_eq() const {return __table_.key_eq();}
_LIBCPP_INLINE_VISIBILITY
iterator find(const key_type& __k) {return __table_.find(__k);}
_LIBCPP_INLINE_VISIBILITY
const_iterator find(const key_type& __k) const {return __table_.find(__k);}
_LIBCPP_INLINE_VISIBILITY
size_type count(const key_type& __k) const {return __table_.__count_unique(__k);}
_LIBCPP_INLINE_VISIBILITY
pair<iterator, iterator> equal_range(const key_type& __k)
{return __table_.__equal_range_unique(__k);}
_LIBCPP_INLINE_VISIBILITY
pair<const_iterator, const_iterator> equal_range(const key_type& __k) const
{return __table_.__equal_range_unique(__k);}
_LIBCPP_INLINE_VISIBILITY
size_type bucket_count() const {return __table_.bucket_count();}
_LIBCPP_INLINE_VISIBILITY
size_type max_bucket_count() const {return __table_.max_bucket_count();}
_LIBCPP_INLINE_VISIBILITY
size_type elems_in_bucket(size_type __n) const {return __table_.bucket_size(__n);}
_LIBCPP_INLINE_VISIBILITY
void resize(size_type __n) {__table_.rehash(__n);}
};
template <class _Value, class _Hash, class _Pred, class _Alloc>
hash_set<_Value, _Hash, _Pred, _Alloc>::hash_set(size_type __n,
const hasher& __hf, const key_equal& __eql)
: __table_(__hf, __eql)
{
__table_.rehash(__n);
}
template <class _Value, class _Hash, class _Pred, class _Alloc>
hash_set<_Value, _Hash, _Pred, _Alloc>::hash_set(size_type __n,
const hasher& __hf, const key_equal& __eql, const allocator_type& __a)
: __table_(__hf, __eql, __a)
{
__table_.rehash(__n);
}
template <class _Value, class _Hash, class _Pred, class _Alloc>
template <class _InputIterator>
hash_set<_Value, _Hash, _Pred, _Alloc>::hash_set(
_InputIterator __first, _InputIterator __last)
{
__table_.rehash(193);
insert(__first, __last);
}
template <class _Value, class _Hash, class _Pred, class _Alloc>
template <class _InputIterator>
hash_set<_Value, _Hash, _Pred, _Alloc>::hash_set(
_InputIterator __first, _InputIterator __last, size_type __n,
const hasher& __hf, const key_equal& __eql)
: __table_(__hf, __eql)
{
__table_.rehash(__n);
insert(__first, __last);
}
template <class _Value, class _Hash, class _Pred, class _Alloc>
template <class _InputIterator>
hash_set<_Value, _Hash, _Pred, _Alloc>::hash_set(
_InputIterator __first, _InputIterator __last, size_type __n,
const hasher& __hf, const key_equal& __eql, const allocator_type& __a)
: __table_(__hf, __eql, __a)
{
__table_.rehash(__n);
insert(__first, __last);
}
template <class _Value, class _Hash, class _Pred, class _Alloc>
hash_set<_Value, _Hash, _Pred, _Alloc>::hash_set(
const hash_set& __u)
: __table_(__u.__table_)
{
__table_.rehash(__u.bucket_count());
insert(__u.begin(), __u.end());
}
template <class _Value, class _Hash, class _Pred, class _Alloc>
template <class _InputIterator>
inline _LIBCPP_INLINE_VISIBILITY
void
hash_set<_Value, _Hash, _Pred, _Alloc>::insert(_InputIterator __first,
_InputIterator __last)
{
for (; __first != __last; ++__first)
__table_.__insert_unique(*__first);
}
template <class _Value, class _Hash, class _Pred, class _Alloc>
inline _LIBCPP_INLINE_VISIBILITY
void
swap(hash_set<_Value, _Hash, _Pred, _Alloc>& __x,
hash_set<_Value, _Hash, _Pred, _Alloc>& __y)
{
__x.swap(__y);
}
template <class _Value, class _Hash, class _Pred, class _Alloc>
bool
operator==(const hash_set<_Value, _Hash, _Pred, _Alloc>& __x,
const hash_set<_Value, _Hash, _Pred, _Alloc>& __y)
{
if (__x.size() != __y.size())
return false;
typedef typename hash_set<_Value, _Hash, _Pred, _Alloc>::const_iterator
const_iterator;
for (const_iterator __i = __x.begin(), __ex = __x.end(), __ey = __y.end();
__i != __ex; ++__i)
{
const_iterator __j = __y.find(*__i);
if (__j == __ey || !(*__i == *__j))
return false;
}
return true;
}
template <class _Value, class _Hash, class _Pred, class _Alloc>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator!=(const hash_set<_Value, _Hash, _Pred, _Alloc>& __x,
const hash_set<_Value, _Hash, _Pred, _Alloc>& __y)
{
return !(__x == __y);
}
template <class _Value, class _Hash = hash<_Value>, class _Pred = equal_to<_Value>,
class _Alloc = allocator<_Value> >
class _LIBCPP_TYPE_VIS_ONLY hash_multiset
{
public:
// types
typedef _Value key_type;
typedef key_type value_type;
typedef _Hash hasher;
typedef _Pred key_equal;
typedef _Alloc allocator_type;
typedef value_type& reference;
typedef const value_type& const_reference;
private:
typedef __hash_table<value_type, hasher, key_equal, allocator_type> __table;
__table __table_;
public:
typedef typename __table::pointer pointer;
typedef typename __table::const_pointer const_pointer;
typedef typename __table::size_type size_type;
typedef typename __table::difference_type difference_type;
typedef typename __table::const_iterator iterator;
typedef typename __table::const_iterator const_iterator;
_LIBCPP_INLINE_VISIBILITY
hash_multiset() {__table_.rehash(193);}
explicit hash_multiset(size_type __n, const hasher& __hf = hasher(),
const key_equal& __eql = key_equal());
hash_multiset(size_type __n, const hasher& __hf,
const key_equal& __eql, const allocator_type& __a);
template <class _InputIterator>
hash_multiset(_InputIterator __first, _InputIterator __last);
template <class _InputIterator>
hash_multiset(_InputIterator __first, _InputIterator __last,
size_type __n, const hasher& __hf = hasher(),
const key_equal& __eql = key_equal());
template <class _InputIterator>
hash_multiset(_InputIterator __first, _InputIterator __last,
size_type __n , const hasher& __hf,
const key_equal& __eql, const allocator_type& __a);
hash_multiset(const hash_multiset& __u);
_LIBCPP_INLINE_VISIBILITY
allocator_type get_allocator() const
{return allocator_type(__table_.__node_alloc());}
_LIBCPP_INLINE_VISIBILITY
bool empty() const {return __table_.size() == 0;}
_LIBCPP_INLINE_VISIBILITY
size_type size() const {return __table_.size();}
_LIBCPP_INLINE_VISIBILITY
size_type max_size() const {return __table_.max_size();}
_LIBCPP_INLINE_VISIBILITY
iterator begin() {return __table_.begin();}
_LIBCPP_INLINE_VISIBILITY
iterator end() {return __table_.end();}
_LIBCPP_INLINE_VISIBILITY
const_iterator begin() const {return __table_.begin();}
_LIBCPP_INLINE_VISIBILITY
const_iterator end() const {return __table_.end();}
_LIBCPP_INLINE_VISIBILITY
iterator insert(const value_type& __x) {return __table_.__insert_multi(__x);}
_LIBCPP_INLINE_VISIBILITY
iterator insert(const_iterator, const value_type& __x) {return insert(__x);}
template <class _InputIterator>
void insert(_InputIterator __first, _InputIterator __last);
_LIBCPP_INLINE_VISIBILITY
void erase(const_iterator __p) {__table_.erase(__p);}
_LIBCPP_INLINE_VISIBILITY
size_type erase(const key_type& __k) {return __table_.__erase_multi(__k);}
_LIBCPP_INLINE_VISIBILITY
void erase(const_iterator __first, const_iterator __last)
{__table_.erase(__first, __last);}
_LIBCPP_INLINE_VISIBILITY
void clear() {__table_.clear();}
_LIBCPP_INLINE_VISIBILITY
void swap(hash_multiset& __u) {__table_.swap(__u.__table_);}
_LIBCPP_INLINE_VISIBILITY
hasher hash_funct() const {return __table_.hash_function();}
_LIBCPP_INLINE_VISIBILITY
key_equal key_eq() const {return __table_.key_eq();}
_LIBCPP_INLINE_VISIBILITY
iterator find(const key_type& __k) {return __table_.find(__k);}
_LIBCPP_INLINE_VISIBILITY
const_iterator find(const key_type& __k) const {return __table_.find(__k);}
_LIBCPP_INLINE_VISIBILITY
size_type count(const key_type& __k) const {return __table_.__count_multi(__k);}
_LIBCPP_INLINE_VISIBILITY
pair<iterator, iterator> equal_range(const key_type& __k)
{return __table_.__equal_range_multi(__k);}
_LIBCPP_INLINE_VISIBILITY
pair<const_iterator, const_iterator> equal_range(const key_type& __k) const
{return __table_.__equal_range_multi(__k);}
_LIBCPP_INLINE_VISIBILITY
size_type bucket_count() const {return __table_.bucket_count();}
_LIBCPP_INLINE_VISIBILITY
size_type max_bucket_count() const {return __table_.max_bucket_count();}
_LIBCPP_INLINE_VISIBILITY
size_type elems_in_bucket(size_type __n) const {return __table_.bucket_size(__n);}
_LIBCPP_INLINE_VISIBILITY
void resize(size_type __n) {__table_.rehash(__n);}
};
template <class _Value, class _Hash, class _Pred, class _Alloc>
hash_multiset<_Value, _Hash, _Pred, _Alloc>::hash_multiset(
size_type __n, const hasher& __hf, const key_equal& __eql)
: __table_(__hf, __eql)
{
__table_.rehash(__n);
}
template <class _Value, class _Hash, class _Pred, class _Alloc>
hash_multiset<_Value, _Hash, _Pred, _Alloc>::hash_multiset(
size_type __n, const hasher& __hf, const key_equal& __eql,
const allocator_type& __a)
: __table_(__hf, __eql, __a)
{
__table_.rehash(__n);
}
template <class _Value, class _Hash, class _Pred, class _Alloc>
template <class _InputIterator>
hash_multiset<_Value, _Hash, _Pred, _Alloc>::hash_multiset(
_InputIterator __first, _InputIterator __last)
{
__table_.rehash(193);
insert(__first, __last);
}
template <class _Value, class _Hash, class _Pred, class _Alloc>
template <class _InputIterator>
hash_multiset<_Value, _Hash, _Pred, _Alloc>::hash_multiset(
_InputIterator __first, _InputIterator __last, size_type __n,
const hasher& __hf, const key_equal& __eql)
: __table_(__hf, __eql)
{
__table_.rehash(__n);
insert(__first, __last);
}
template <class _Value, class _Hash, class _Pred, class _Alloc>
template <class _InputIterator>
hash_multiset<_Value, _Hash, _Pred, _Alloc>::hash_multiset(
_InputIterator __first, _InputIterator __last, size_type __n,
const hasher& __hf, const key_equal& __eql, const allocator_type& __a)
: __table_(__hf, __eql, __a)
{
__table_.rehash(__n);
insert(__first, __last);
}
template <class _Value, class _Hash, class _Pred, class _Alloc>
hash_multiset<_Value, _Hash, _Pred, _Alloc>::hash_multiset(
const hash_multiset& __u)
: __table_(__u.__table_)
{
__table_.rehash(__u.bucket_count());
insert(__u.begin(), __u.end());
}
template <class _Value, class _Hash, class _Pred, class _Alloc>
template <class _InputIterator>
inline _LIBCPP_INLINE_VISIBILITY
void
hash_multiset<_Value, _Hash, _Pred, _Alloc>::insert(_InputIterator __first,
_InputIterator __last)
{
for (; __first != __last; ++__first)
__table_.__insert_multi(*__first);
}
template <class _Value, class _Hash, class _Pred, class _Alloc>
inline _LIBCPP_INLINE_VISIBILITY
void
swap(hash_multiset<_Value, _Hash, _Pred, _Alloc>& __x,
hash_multiset<_Value, _Hash, _Pred, _Alloc>& __y)
{
__x.swap(__y);
}
template <class _Value, class _Hash, class _Pred, class _Alloc>
bool
operator==(const hash_multiset<_Value, _Hash, _Pred, _Alloc>& __x,
const hash_multiset<_Value, _Hash, _Pred, _Alloc>& __y)
{
if (__x.size() != __y.size())
return false;
typedef typename hash_multiset<_Value, _Hash, _Pred, _Alloc>::const_iterator
const_iterator;
typedef pair<const_iterator, const_iterator> _EqRng;
for (const_iterator __i = __x.begin(), __ex = __x.end(); __i != __ex;)
{
_EqRng __xeq = __x.equal_range(*__i);
_EqRng __yeq = __y.equal_range(*__i);
if (_VSTD::distance(__xeq.first, __xeq.second) !=
_VSTD::distance(__yeq.first, __yeq.second) ||
!_VSTD::is_permutation(__xeq.first, __xeq.second, __yeq.first))
return false;
__i = __xeq.second;
}
return true;
}
template <class _Value, class _Hash, class _Pred, class _Alloc>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator!=(const hash_multiset<_Value, _Hash, _Pred, _Alloc>& __x,
const hash_multiset<_Value, _Hash, _Pred, _Alloc>& __y)
{
return !(__x == __y);
}
} // __gnu_cxx
#endif // _LIBCPP_HASH_SET

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// -*- C++ -*-
//===----------------------- initializer_list -----------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_INITIALIZER_LIST
#define _LIBCPP_INITIALIZER_LIST
/*
initializer_list synopsis
namespace std
{
template<class E>
class initializer_list
{
public:
typedef E value_type;
typedef const E& reference;
typedef const E& const_reference;
typedef size_t size_type;
typedef const E* iterator;
typedef const E* const_iterator;
initializer_list() noexcept; // constexpr in C++14
size_t size() const noexcept; // constexpr in C++14
const E* begin() const noexcept; // constexpr in C++14
const E* end() const noexcept; // constexpr in C++14
};
template<class E> const E* begin(initializer_list<E> il) noexcept; // constexpr in C++14
template<class E> const E* end(initializer_list<E> il) noexcept; // constexpr in C++14
} // std
*/
#include <__config>
#include <cstddef>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
namespace std // purposefully not versioned
{
#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
template<class _Ep>
class _LIBCPP_TYPE_VIS_ONLY initializer_list
{
const _Ep* __begin_;
size_t __size_;
_LIBCPP_ALWAYS_INLINE
_LIBCPP_CONSTEXPR_AFTER_CXX11
initializer_list(const _Ep* __b, size_t __s) _NOEXCEPT
: __begin_(__b),
__size_(__s)
{}
public:
typedef _Ep value_type;
typedef const _Ep& reference;
typedef const _Ep& const_reference;
typedef size_t size_type;
typedef const _Ep* iterator;
typedef const _Ep* const_iterator;
_LIBCPP_ALWAYS_INLINE
_LIBCPP_CONSTEXPR_AFTER_CXX11
initializer_list() _NOEXCEPT : __begin_(nullptr), __size_(0) {}
_LIBCPP_ALWAYS_INLINE
_LIBCPP_CONSTEXPR_AFTER_CXX11
size_t size() const _NOEXCEPT {return __size_;}
_LIBCPP_ALWAYS_INLINE
_LIBCPP_CONSTEXPR_AFTER_CXX11
const _Ep* begin() const _NOEXCEPT {return __begin_;}
_LIBCPP_ALWAYS_INLINE
_LIBCPP_CONSTEXPR_AFTER_CXX11
const _Ep* end() const _NOEXCEPT {return __begin_ + __size_;}
};
template<class _Ep>
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_CONSTEXPR_AFTER_CXX11
const _Ep*
begin(initializer_list<_Ep> __il) _NOEXCEPT
{
return __il.begin();
}
template<class _Ep>
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_CONSTEXPR_AFTER_CXX11
const _Ep*
end(initializer_list<_Ep> __il) _NOEXCEPT
{
return __il.end();
}
#endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
} // std
#endif // _LIBCPP_INITIALIZER_LIST

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// -*- C++ -*-
//===--------------------------- iomanip ----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_IOMANIP
#define _LIBCPP_IOMANIP
/*
iomanip synopsis
namespace std {
// types T1, T2, ... are unspecified implementation types
T1 resetiosflags(ios_base::fmtflags mask);
T2 setiosflags (ios_base::fmtflags mask);
T3 setbase(int base);
template<charT> T4 setfill(charT c);
T5 setprecision(int n);
T6 setw(int n);
template <class moneyT> T7 get_money(moneyT& mon, bool intl = false);
template <class charT, class moneyT> T8 put_money(const moneyT& mon, bool intl = false);
template <class charT> T9 get_time(struct tm* tmb, const charT* fmt);
template <class charT> T10 put_time(const struct tm* tmb, const charT* fmt);
template <class charT>
T11 quoted(const charT* s, charT delim=charT('"'), charT escape=charT('\\')); // C++14
template <class charT, class traits, class Allocator>
T12 quoted(const basic_string<charT, traits, Allocator>& s,
charT delim=charT('"'), charT escape=charT('\\')); // C++14
template <class charT, class traits, class Allocator>
T13 quoted(basic_string<charT, traits, Allocator>& s,
charT delim=charT('"'), charT escape=charT('\\')); // C++14
} // std
*/
#include <__config>
#include <istream>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
// resetiosflags
class __iom_t1
{
ios_base::fmtflags __mask_;
public:
_LIBCPP_INLINE_VISIBILITY
explicit __iom_t1(ios_base::fmtflags __m) : __mask_(__m) {}
template <class _CharT, class _Traits>
friend
_LIBCPP_INLINE_VISIBILITY
basic_istream<_CharT, _Traits>&
operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t1& __x)
{
__is.unsetf(__x.__mask_);
return __is;
}
template <class _CharT, class _Traits>
friend
_LIBCPP_INLINE_VISIBILITY
basic_ostream<_CharT, _Traits>&
operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t1& __x)
{
__os.unsetf(__x.__mask_);
return __os;
}
};
inline _LIBCPP_INLINE_VISIBILITY
__iom_t1
resetiosflags(ios_base::fmtflags __mask)
{
return __iom_t1(__mask);
}
// setiosflags
class __iom_t2
{
ios_base::fmtflags __mask_;
public:
_LIBCPP_INLINE_VISIBILITY
explicit __iom_t2(ios_base::fmtflags __m) : __mask_(__m) {}
template <class _CharT, class _Traits>
friend
_LIBCPP_INLINE_VISIBILITY
basic_istream<_CharT, _Traits>&
operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t2& __x)
{
__is.setf(__x.__mask_);
return __is;
}
template <class _CharT, class _Traits>
friend
_LIBCPP_INLINE_VISIBILITY
basic_ostream<_CharT, _Traits>&
operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t2& __x)
{
__os.setf(__x.__mask_);
return __os;
}
};
inline _LIBCPP_INLINE_VISIBILITY
__iom_t2
setiosflags(ios_base::fmtflags __mask)
{
return __iom_t2(__mask);
}
// setbase
class __iom_t3
{
int __base_;
public:
_LIBCPP_INLINE_VISIBILITY
explicit __iom_t3(int __b) : __base_(__b) {}
template <class _CharT, class _Traits>
friend
_LIBCPP_INLINE_VISIBILITY
basic_istream<_CharT, _Traits>&
operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t3& __x)
{
__is.setf(__x.__base_ == 8 ? ios_base::oct :
__x.__base_ == 10 ? ios_base::dec :
__x.__base_ == 16 ? ios_base::hex :
ios_base::fmtflags(0), ios_base::basefield);
return __is;
}
template <class _CharT, class _Traits>
friend
_LIBCPP_INLINE_VISIBILITY
basic_ostream<_CharT, _Traits>&
operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t3& __x)
{
__os.setf(__x.__base_ == 8 ? ios_base::oct :
__x.__base_ == 10 ? ios_base::dec :
__x.__base_ == 16 ? ios_base::hex :
ios_base::fmtflags(0), ios_base::basefield);
return __os;
}
};
inline _LIBCPP_INLINE_VISIBILITY
__iom_t3
setbase(int __base)
{
return __iom_t3(__base);
}
// setfill
template<class _CharT>
class __iom_t4
{
_CharT __fill_;
public:
_LIBCPP_INLINE_VISIBILITY
explicit __iom_t4(_CharT __c) : __fill_(__c) {}
template <class _Traits>
friend
_LIBCPP_INLINE_VISIBILITY
basic_ostream<_CharT, _Traits>&
operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t4& __x)
{
__os.fill(__x.__fill_);
return __os;
}
};
template<class _CharT>
inline _LIBCPP_INLINE_VISIBILITY
__iom_t4<_CharT>
setfill(_CharT __c)
{
return __iom_t4<_CharT>(__c);
}
// setprecision
class __iom_t5
{
int __n_;
public:
_LIBCPP_INLINE_VISIBILITY
explicit __iom_t5(int __n) : __n_(__n) {}
template <class _CharT, class _Traits>
friend
_LIBCPP_INLINE_VISIBILITY
basic_istream<_CharT, _Traits>&
operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t5& __x)
{
__is.precision(__x.__n_);
return __is;
}
template <class _CharT, class _Traits>
friend
_LIBCPP_INLINE_VISIBILITY
basic_ostream<_CharT, _Traits>&
operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t5& __x)
{
__os.precision(__x.__n_);
return __os;
}
};
inline _LIBCPP_INLINE_VISIBILITY
__iom_t5
setprecision(int __n)
{
return __iom_t5(__n);
}
// setw
class __iom_t6
{
int __n_;
public:
_LIBCPP_INLINE_VISIBILITY
explicit __iom_t6(int __n) : __n_(__n) {}
template <class _CharT, class _Traits>
friend
_LIBCPP_INLINE_VISIBILITY
basic_istream<_CharT, _Traits>&
operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t6& __x)
{
__is.width(__x.__n_);
return __is;
}
template <class _CharT, class _Traits>
friend
_LIBCPP_INLINE_VISIBILITY
basic_ostream<_CharT, _Traits>&
operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t6& __x)
{
__os.width(__x.__n_);
return __os;
}
};
inline _LIBCPP_INLINE_VISIBILITY
__iom_t6
setw(int __n)
{
return __iom_t6(__n);
}
// get_money
template <class _MoneyT> class __iom_t7;
template <class _CharT, class _Traits, class _MoneyT>
basic_istream<_CharT, _Traits>&
operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t7<_MoneyT>& __x);
template <class _MoneyT>
class __iom_t7
{
_MoneyT& __mon_;
bool __intl_;
public:
_LIBCPP_INLINE_VISIBILITY
__iom_t7(_MoneyT& __mon, bool __intl)
: __mon_(__mon), __intl_(__intl) {}
template <class _CharT, class _Traits, class _Mp>
friend
basic_istream<_CharT, _Traits>&
operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t7<_Mp>& __x);
};
template <class _CharT, class _Traits, class _MoneyT>
basic_istream<_CharT, _Traits>&
operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t7<_MoneyT>& __x)
{
#ifndef _LIBCPP_NO_EXCEPTIONS
try
{
#endif // _LIBCPP_NO_EXCEPTIONS
typename basic_istream<_CharT, _Traits>::sentry __s(__is);
if (__s)
{
typedef istreambuf_iterator<_CharT, _Traits> _Ip;
typedef money_get<_CharT, _Ip> _Fp;
ios_base::iostate __err = ios_base::goodbit;
const _Fp& __mf = use_facet<_Fp>(__is.getloc());
__mf.get(_Ip(__is), _Ip(), __x.__intl_, __is, __err, __x.__mon_);
__is.setstate(__err);
}
#ifndef _LIBCPP_NO_EXCEPTIONS
}
catch (...)
{
__is.__set_badbit_and_consider_rethrow();
}
#endif // _LIBCPP_NO_EXCEPTIONS
return __is;
}
template <class _MoneyT>
inline _LIBCPP_INLINE_VISIBILITY
__iom_t7<_MoneyT>
get_money(_MoneyT& __mon, bool __intl = false)
{
return __iom_t7<_MoneyT>(__mon, __intl);
}
// put_money
template <class _MoneyT> class __iom_t8;
template <class _CharT, class _Traits, class _MoneyT>
basic_ostream<_CharT, _Traits>&
operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t8<_MoneyT>& __x);
template <class _MoneyT>
class __iom_t8
{
const _MoneyT& __mon_;
bool __intl_;
public:
_LIBCPP_INLINE_VISIBILITY
__iom_t8(const _MoneyT& __mon, bool __intl)
: __mon_(__mon), __intl_(__intl) {}
template <class _CharT, class _Traits, class _Mp>
friend
basic_ostream<_CharT, _Traits>&
operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t8<_Mp>& __x);
};
template <class _CharT, class _Traits, class _MoneyT>
basic_ostream<_CharT, _Traits>&
operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t8<_MoneyT>& __x)
{
#ifndef _LIBCPP_NO_EXCEPTIONS
try
{
#endif // _LIBCPP_NO_EXCEPTIONS
typename basic_ostream<_CharT, _Traits>::sentry __s(__os);
if (__s)
{
typedef ostreambuf_iterator<_CharT, _Traits> _Op;
typedef money_put<_CharT, _Op> _Fp;
const _Fp& __mf = use_facet<_Fp>(__os.getloc());
if (__mf.put(_Op(__os), __x.__intl_, __os, __os.fill(), __x.__mon_).failed())
__os.setstate(ios_base::badbit);
}
#ifndef _LIBCPP_NO_EXCEPTIONS
}
catch (...)
{
__os.__set_badbit_and_consider_rethrow();
}
#endif // _LIBCPP_NO_EXCEPTIONS
return __os;
}
template <class _MoneyT>
inline _LIBCPP_INLINE_VISIBILITY
__iom_t8<_MoneyT>
put_money(const _MoneyT& __mon, bool __intl = false)
{
return __iom_t8<_MoneyT>(__mon, __intl);
}
// get_time
template <class _CharT> class __iom_t9;
template <class _CharT, class _Traits>
basic_istream<_CharT, _Traits>&
operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t9<_CharT>& __x);
template <class _CharT>
class __iom_t9
{
tm* __tm_;
const _CharT* __fmt_;
public:
_LIBCPP_INLINE_VISIBILITY
__iom_t9(tm* __tm, const _CharT* __fmt)
: __tm_(__tm), __fmt_(__fmt) {}
template <class _Cp, class _Traits>
friend
basic_istream<_Cp, _Traits>&
operator>>(basic_istream<_Cp, _Traits>& __is, const __iom_t9<_Cp>& __x);
};
template <class _CharT, class _Traits>
basic_istream<_CharT, _Traits>&
operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t9<_CharT>& __x)
{
#ifndef _LIBCPP_NO_EXCEPTIONS
try
{
#endif // _LIBCPP_NO_EXCEPTIONS
typename basic_istream<_CharT, _Traits>::sentry __s(__is);
if (__s)
{
typedef istreambuf_iterator<_CharT, _Traits> _Ip;
typedef time_get<_CharT, _Ip> _Fp;
ios_base::iostate __err = ios_base::goodbit;
const _Fp& __tf = use_facet<_Fp>(__is.getloc());
__tf.get(_Ip(__is), _Ip(), __is, __err, __x.__tm_,
__x.__fmt_, __x.__fmt_ + _Traits::length(__x.__fmt_));
__is.setstate(__err);
}
#ifndef _LIBCPP_NO_EXCEPTIONS
}
catch (...)
{
__is.__set_badbit_and_consider_rethrow();
}
#endif // _LIBCPP_NO_EXCEPTIONS
return __is;
}
template <class _CharT>
inline _LIBCPP_INLINE_VISIBILITY
__iom_t9<_CharT>
get_time(tm* __tm, const _CharT* __fmt)
{
return __iom_t9<_CharT>(__tm, __fmt);
}
// put_time
template <class _CharT> class __iom_t10;
template <class _CharT, class _Traits>
basic_ostream<_CharT, _Traits>&
operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t10<_CharT>& __x);
template <class _CharT>
class __iom_t10
{
const tm* __tm_;
const _CharT* __fmt_;
public:
_LIBCPP_INLINE_VISIBILITY
__iom_t10(const tm* __tm, const _CharT* __fmt)
: __tm_(__tm), __fmt_(__fmt) {}
template <class _Cp, class _Traits>
friend
basic_ostream<_Cp, _Traits>&
operator<<(basic_ostream<_Cp, _Traits>& __os, const __iom_t10<_Cp>& __x);
};
template <class _CharT, class _Traits>
basic_ostream<_CharT, _Traits>&
operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t10<_CharT>& __x)
{
#ifndef _LIBCPP_NO_EXCEPTIONS
try
{
#endif // _LIBCPP_NO_EXCEPTIONS
typename basic_ostream<_CharT, _Traits>::sentry __s(__os);
if (__s)
{
typedef ostreambuf_iterator<_CharT, _Traits> _Op;
typedef time_put<_CharT, _Op> _Fp;
const _Fp& __tf = use_facet<_Fp>(__os.getloc());
if (__tf.put(_Op(__os), __os, __os.fill(), __x.__tm_,
__x.__fmt_, __x.__fmt_ + _Traits::length(__x.__fmt_)).failed())
__os.setstate(ios_base::badbit);
}
#ifndef _LIBCPP_NO_EXCEPTIONS
}
catch (...)
{
__os.__set_badbit_and_consider_rethrow();
}
#endif // _LIBCPP_NO_EXCEPTIONS
return __os;
}
template <class _CharT>
inline _LIBCPP_INLINE_VISIBILITY
__iom_t10<_CharT>
put_time(const tm* __tm, const _CharT* __fmt)
{
return __iom_t10<_CharT>(__tm, __fmt);
}
#if _LIBCPP_STD_VER > 11
template <class _CharT, class _Traits, class _ForwardIterator>
std::basic_ostream<_CharT, _Traits> &
__quoted_output ( basic_ostream<_CharT, _Traits> &__os,
_ForwardIterator __first, _ForwardIterator __last, _CharT __delim, _CharT __escape )
{
__os << __delim;
for ( ; __first != __last; ++ __first )
{
if (_Traits::eq (*__first, __escape) || _Traits::eq (*__first, __delim))
__os << __escape;
__os << *__first;
}
__os << __delim;
return __os;
}
template <class _CharT, class _Traits, class _String>
basic_istream<_CharT, _Traits> &
__quoted_input ( basic_istream<_CharT, _Traits> &__is, _String & __string, _CharT __delim, _CharT __escape )
{
__string.clear ();
_CharT __c;
__is >> __c;
if ( __is.fail ())
return __is;
if (!_Traits::eq (__c, __delim)) // no delimiter, read the whole string
{
__is.unget ();
__is >> __string;
return __is;
}
__save_flags<_CharT, _Traits> sf(__is);
noskipws (__is);
while (true)
{
__is >> __c;
if ( __is.fail ())
break;
if (_Traits::eq (__c, __escape))
{
__is >> __c;
if ( __is.fail ())
break;
}
else if (_Traits::eq (__c, __delim))
break;
__string.push_back ( __c );
}
return __is;
}
template <class _CharT, class _Iter, class _Traits=char_traits<_CharT>>
struct __quoted_output_proxy
{
_Iter __first;
_Iter __last;
_CharT __delim;
_CharT __escape;
__quoted_output_proxy(_Iter __f, _Iter __l, _CharT __d, _CharT __e)
: __first(__f), __last(__l), __delim(__d), __escape(__e) {}
// This would be a nice place for a string_ref
};
template <class _CharT, class _Traits, class _Iter>
basic_ostream<_CharT, _Traits>& operator<<(
basic_ostream<_CharT, _Traits>& __os,
const __quoted_output_proxy<_CharT, _Iter, _Traits> & __proxy)
{
return __quoted_output (__os, __proxy.__first, __proxy.__last, __proxy.__delim, __proxy.__escape);
}
template <class _CharT, class _Traits, class _Allocator>
struct __quoted_proxy
{
basic_string<_CharT, _Traits, _Allocator> &__string;
_CharT __delim;
_CharT __escape;
__quoted_proxy(basic_string<_CharT, _Traits, _Allocator> &__s, _CharT __d, _CharT __e)
: __string(__s), __delim(__d), __escape(__e) {}
};
template <class _CharT, class _Traits, class _Allocator>
_LIBCPP_INLINE_VISIBILITY
basic_ostream<_CharT, _Traits>& operator<<(
basic_ostream<_CharT, _Traits>& __os,
const __quoted_proxy<_CharT, _Traits, _Allocator> & __proxy)
{
return __quoted_output (__os, __proxy.__string.cbegin (), __proxy.__string.cend (), __proxy.__delim, __proxy.__escape);
}
// extractor for non-const basic_string& proxies
template <class _CharT, class _Traits, class _Allocator>
_LIBCPP_INLINE_VISIBILITY
basic_istream<_CharT, _Traits>& operator>>(
basic_istream<_CharT, _Traits>& __is,
const __quoted_proxy<_CharT, _Traits, _Allocator> & __proxy)
{
return __quoted_input ( __is, __proxy.__string, __proxy.__delim, __proxy.__escape );
}
template <class _CharT>
_LIBCPP_INLINE_VISIBILITY
__quoted_output_proxy<_CharT, const _CharT *>
quoted ( const _CharT *__s, _CharT __delim = _CharT('"'), _CharT __escape =_CharT('\\'))
{
const _CharT *__end = __s;
while ( *__end ) ++__end;
return __quoted_output_proxy<_CharT, const _CharT *> ( __s, __end, __delim, __escape );
}
template <class _CharT, class _Traits, class _Allocator>
_LIBCPP_INLINE_VISIBILITY
__quoted_output_proxy<_CharT, typename basic_string <_CharT, _Traits, _Allocator>::const_iterator>
quoted ( const basic_string <_CharT, _Traits, _Allocator> &__s, _CharT __delim = _CharT('"'), _CharT __escape=_CharT('\\'))
{
return __quoted_output_proxy<_CharT,
typename basic_string <_CharT, _Traits, _Allocator>::const_iterator>
( __s.cbegin(), __s.cend (), __delim, __escape );
}
template <class _CharT, class _Traits, class _Allocator>
__quoted_proxy<_CharT, _Traits, _Allocator>
quoted ( basic_string <_CharT, _Traits, _Allocator> &__s, _CharT __delim = _CharT('"'), _CharT __escape=_CharT('\\'))
{
return __quoted_proxy<_CharT, _Traits, _Allocator>( __s, __delim, __escape );
}
#endif
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_IOMANIP

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// -*- C++ -*-
//===--------------------------- iosfwd -----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_IOSFWD
#define _LIBCPP_IOSFWD
/*
iosfwd synopsis
namespace std
{
template<class charT> struct char_traits;
template<class T> class allocator;
class ios_base;
template <class charT, class traits = char_traits<charT> > class basic_ios;
template <class charT, class traits = char_traits<charT> > class basic_streambuf;
template <class charT, class traits = char_traits<charT> > class basic_istream;
template <class charT, class traits = char_traits<charT> > class basic_ostream;
template <class charT, class traits = char_traits<charT> > class basic_iostream;
template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
class basic_stringbuf;
template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
class basic_istringstream;
template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
class basic_ostringstream;
template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
class basic_stringstream;
template <class charT, class traits = char_traits<charT> > class basic_filebuf;
template <class charT, class traits = char_traits<charT> > class basic_ifstream;
template <class charT, class traits = char_traits<charT> > class basic_ofstream;
template <class charT, class traits = char_traits<charT> > class basic_fstream;
template <class charT, class traits = char_traits<charT> > class istreambuf_iterator;
template <class charT, class traits = char_traits<charT> > class ostreambuf_iterator;
typedef basic_ios<char> ios;
typedef basic_ios<wchar_t> wios;
typedef basic_streambuf<char> streambuf;
typedef basic_istream<char> istream;
typedef basic_ostream<char> ostream;
typedef basic_iostream<char> iostream;
typedef basic_stringbuf<char> stringbuf;
typedef basic_istringstream<char> istringstream;
typedef basic_ostringstream<char> ostringstream;
typedef basic_stringstream<char> stringstream;
typedef basic_filebuf<char> filebuf;
typedef basic_ifstream<char> ifstream;
typedef basic_ofstream<char> ofstream;
typedef basic_fstream<char> fstream;
typedef basic_streambuf<wchar_t> wstreambuf;
typedef basic_istream<wchar_t> wistream;
typedef basic_ostream<wchar_t> wostream;
typedef basic_iostream<wchar_t> wiostream;
typedef basic_stringbuf<wchar_t> wstringbuf;
typedef basic_istringstream<wchar_t> wistringstream;
typedef basic_ostringstream<wchar_t> wostringstream;
typedef basic_stringstream<wchar_t> wstringstream;
typedef basic_filebuf<wchar_t> wfilebuf;
typedef basic_ifstream<wchar_t> wifstream;
typedef basic_ofstream<wchar_t> wofstream;
typedef basic_fstream<wchar_t> wfstream;
template <class state> class fpos;
typedef fpos<char_traits<char>::state_type> streampos;
typedef fpos<char_traits<wchar_t>::state_type> wstreampos;
} // std
*/
#include <__config>
#include <wchar.h> // for mbstate_t
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
class _LIBCPP_TYPE_VIS ios_base;
template<class _CharT> struct _LIBCPP_TYPE_VIS_ONLY char_traits;
template<class _Tp> class _LIBCPP_TYPE_VIS_ONLY allocator;
template <class _CharT, class _Traits = char_traits<_CharT> >
class _LIBCPP_TYPE_VIS_ONLY basic_ios;
template <class _CharT, class _Traits = char_traits<_CharT> >
class _LIBCPP_TYPE_VIS_ONLY basic_streambuf;
template <class _CharT, class _Traits = char_traits<_CharT> >
class _LIBCPP_TYPE_VIS_ONLY basic_istream;
template <class _CharT, class _Traits = char_traits<_CharT> >
class _LIBCPP_TYPE_VIS_ONLY basic_ostream;
template <class _CharT, class _Traits = char_traits<_CharT> >
class _LIBCPP_TYPE_VIS_ONLY basic_iostream;
template <class _CharT, class _Traits = char_traits<_CharT>,
class _Allocator = allocator<_CharT> >
class _LIBCPP_TYPE_VIS_ONLY basic_stringbuf;
template <class _CharT, class _Traits = char_traits<_CharT>,
class _Allocator = allocator<_CharT> >
class _LIBCPP_TYPE_VIS_ONLY basic_istringstream;
template <class _CharT, class _Traits = char_traits<_CharT>,
class _Allocator = allocator<_CharT> >
class _LIBCPP_TYPE_VIS_ONLY basic_ostringstream;
template <class _CharT, class _Traits = char_traits<_CharT>,
class _Allocator = allocator<_CharT> >
class _LIBCPP_TYPE_VIS_ONLY basic_stringstream;
template <class _CharT, class _Traits = char_traits<_CharT> >
class _LIBCPP_TYPE_VIS_ONLY basic_filebuf;
template <class _CharT, class _Traits = char_traits<_CharT> >
class _LIBCPP_TYPE_VIS_ONLY basic_ifstream;
template <class _CharT, class _Traits = char_traits<_CharT> >
class _LIBCPP_TYPE_VIS_ONLY basic_ofstream;
template <class _CharT, class _Traits = char_traits<_CharT> >
class _LIBCPP_TYPE_VIS_ONLY basic_fstream;
template <class _CharT, class _Traits = char_traits<_CharT> >
class _LIBCPP_TYPE_VIS_ONLY istreambuf_iterator;
template <class _CharT, class _Traits = char_traits<_CharT> >
class _LIBCPP_TYPE_VIS_ONLY ostreambuf_iterator;
typedef basic_ios<char> ios;
typedef basic_ios<wchar_t> wios;
typedef basic_streambuf<char> streambuf;
typedef basic_istream<char> istream;
typedef basic_ostream<char> ostream;
typedef basic_iostream<char> iostream;
typedef basic_stringbuf<char> stringbuf;
typedef basic_istringstream<char> istringstream;
typedef basic_ostringstream<char> ostringstream;
typedef basic_stringstream<char> stringstream;
typedef basic_filebuf<char> filebuf;
typedef basic_ifstream<char> ifstream;
typedef basic_ofstream<char> ofstream;
typedef basic_fstream<char> fstream;
typedef basic_streambuf<wchar_t> wstreambuf;
typedef basic_istream<wchar_t> wistream;
typedef basic_ostream<wchar_t> wostream;
typedef basic_iostream<wchar_t> wiostream;
typedef basic_stringbuf<wchar_t> wstringbuf;
typedef basic_istringstream<wchar_t> wistringstream;
typedef basic_ostringstream<wchar_t> wostringstream;
typedef basic_stringstream<wchar_t> wstringstream;
typedef basic_filebuf<wchar_t> wfilebuf;
typedef basic_ifstream<wchar_t> wifstream;
typedef basic_ofstream<wchar_t> wofstream;
typedef basic_fstream<wchar_t> wfstream;
template <class _State> class _LIBCPP_TYPE_VIS_ONLY fpos;
typedef fpos<mbstate_t> streampos;
typedef fpos<mbstate_t> wstreampos;
#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
typedef fpos<mbstate_t> u16streampos;
typedef fpos<mbstate_t> u32streampos;
#endif // _LIBCPP_HAS_NO_UNICODE_CHARS
typedef long long streamoff; // for char_traits in <string>
template <class _CharT, // for <stdexcept>
class _Traits = char_traits<_CharT>,
class _Allocator = allocator<_CharT> >
class _LIBCPP_TYPE_VIS_ONLY basic_string;
typedef basic_string<char, char_traits<char>, allocator<char> > string;
typedef basic_string<wchar_t, char_traits<wchar_t>, allocator<wchar_t> > wstring;
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_IOSFWD

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// -*- C++ -*-
//===--------------------------- iostream ---------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_IOSTREAM
#define _LIBCPP_IOSTREAM
/*
iostream synopsis
#include <ios>
#include <streambuf>
#include <istream>
#include <ostream>
namespace std {
extern istream cin;
extern ostream cout;
extern ostream cerr;
extern ostream clog;
extern wistream wcin;
extern wostream wcout;
extern wostream wcerr;
extern wostream wclog;
} // std
*/
#include <__config>
#include <ios>
#include <streambuf>
#include <istream>
#include <ostream>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
extern _LIBCPP_FUNC_VIS istream cin;
extern _LIBCPP_FUNC_VIS ostream cout;
extern _LIBCPP_FUNC_VIS ostream cerr;
extern _LIBCPP_FUNC_VIS ostream clog;
extern _LIBCPP_FUNC_VIS wistream wcin;
extern _LIBCPP_FUNC_VIS wostream wcout;
extern _LIBCPP_FUNC_VIS wostream wcerr;
extern _LIBCPP_FUNC_VIS wostream wclog;
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_IOSTREAM

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// -*- C++ -*-
//===---------------------------- limits ----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_LIMITS
#define _LIBCPP_LIMITS
/*
limits synopsis
namespace std
{
template<class T>
class numeric_limits
{
public:
static constexpr bool is_specialized = false;
static constexpr T min() noexcept;
static constexpr T max() noexcept;
static constexpr T lowest() noexcept;
static constexpr int digits = 0;
static constexpr int digits10 = 0;
static constexpr int max_digits10 = 0;
static constexpr bool is_signed = false;
static constexpr bool is_integer = false;
static constexpr bool is_exact = false;
static constexpr int radix = 0;
static constexpr T epsilon() noexcept;
static constexpr T round_error() noexcept;
static constexpr int min_exponent = 0;
static constexpr int min_exponent10 = 0;
static constexpr int max_exponent = 0;
static constexpr int max_exponent10 = 0;
static constexpr bool has_infinity = false;
static constexpr bool has_quiet_NaN = false;
static constexpr bool has_signaling_NaN = false;
static constexpr float_denorm_style has_denorm = denorm_absent;
static constexpr bool has_denorm_loss = false;
static constexpr T infinity() noexcept;
static constexpr T quiet_NaN() noexcept;
static constexpr T signaling_NaN() noexcept;
static constexpr T denorm_min() noexcept;
static constexpr bool is_iec559 = false;
static constexpr bool is_bounded = false;
static constexpr bool is_modulo = false;
static constexpr bool traps = false;
static constexpr bool tinyness_before = false;
static constexpr float_round_style round_style = round_toward_zero;
};
enum float_round_style
{
round_indeterminate = -1,
round_toward_zero = 0,
round_to_nearest = 1,
round_toward_infinity = 2,
round_toward_neg_infinity = 3
};
enum float_denorm_style
{
denorm_indeterminate = -1,
denorm_absent = 0,
denorm_present = 1
};
template<> class numeric_limits<cv bool>;
template<> class numeric_limits<cv char>;
template<> class numeric_limits<cv signed char>;
template<> class numeric_limits<cv unsigned char>;
template<> class numeric_limits<cv wchar_t>;
template<> class numeric_limits<cv char16_t>;
template<> class numeric_limits<cv char32_t>;
template<> class numeric_limits<cv short>;
template<> class numeric_limits<cv int>;
template<> class numeric_limits<cv long>;
template<> class numeric_limits<cv long long>;
template<> class numeric_limits<cv unsigned short>;
template<> class numeric_limits<cv unsigned int>;
template<> class numeric_limits<cv unsigned long>;
template<> class numeric_limits<cv unsigned long long>;
template<> class numeric_limits<cv float>;
template<> class numeric_limits<cv double>;
template<> class numeric_limits<cv long double>;
} // std
*/
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
#include <__config>
#include <type_traits>
#include <__undef_min_max>
#if defined(_LIBCPP_MSVCRT)
#include "support/win32/limits_win32.h"
#endif // _LIBCPP_MSVCRT
#if defined(__IBMCPP__)
#include "support/ibm/limits.h"
#endif // __IBMCPP__
_LIBCPP_BEGIN_NAMESPACE_STD
enum float_round_style
{
round_indeterminate = -1,
round_toward_zero = 0,
round_to_nearest = 1,
round_toward_infinity = 2,
round_toward_neg_infinity = 3
};
enum float_denorm_style
{
denorm_indeterminate = -1,
denorm_absent = 0,
denorm_present = 1
};
template <class _Tp, bool = is_arithmetic<_Tp>::value>
class __libcpp_numeric_limits
{
protected:
typedef _Tp type;
static _LIBCPP_CONSTEXPR const bool is_specialized = false;
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {return type();}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {return type();}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {return type();}
static _LIBCPP_CONSTEXPR const int digits = 0;
static _LIBCPP_CONSTEXPR const int digits10 = 0;
static _LIBCPP_CONSTEXPR const int max_digits10 = 0;
static _LIBCPP_CONSTEXPR const bool is_signed = false;
static _LIBCPP_CONSTEXPR const bool is_integer = false;
static _LIBCPP_CONSTEXPR const bool is_exact = false;
static _LIBCPP_CONSTEXPR const int radix = 0;
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT {return type();}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXCEPT {return type();}
static _LIBCPP_CONSTEXPR const int min_exponent = 0;
static _LIBCPP_CONSTEXPR const int min_exponent10 = 0;
static _LIBCPP_CONSTEXPR const int max_exponent = 0;
static _LIBCPP_CONSTEXPR const int max_exponent10 = 0;
static _LIBCPP_CONSTEXPR const bool has_infinity = false;
static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = false;
static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = false;
static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = denorm_absent;
static _LIBCPP_CONSTEXPR const bool has_denorm_loss = false;
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT {return type();}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEPT {return type();}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOEXCEPT {return type();}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCEPT {return type();}
static _LIBCPP_CONSTEXPR const bool is_iec559 = false;
static _LIBCPP_CONSTEXPR const bool is_bounded = false;
static _LIBCPP_CONSTEXPR const bool is_modulo = false;
static _LIBCPP_CONSTEXPR const bool traps = false;
static _LIBCPP_CONSTEXPR const bool tinyness_before = false;
static _LIBCPP_CONSTEXPR const float_round_style round_style = round_toward_zero;
};
template <class _Tp, int digits, bool is_signed>
struct __libcpp_compute_min
{
static _LIBCPP_CONSTEXPR const _Tp value = _Tp(_Tp(1) << digits);
};
template <class _Tp, int digits>
struct __libcpp_compute_min<_Tp, digits, false>
{
static _LIBCPP_CONSTEXPR const _Tp value = _Tp(0);
};
template <class _Tp>
class __libcpp_numeric_limits<_Tp, true>
{
protected:
typedef _Tp type;
static _LIBCPP_CONSTEXPR const bool is_specialized = true;
static _LIBCPP_CONSTEXPR const bool is_signed = type(-1) < type(0);
static _LIBCPP_CONSTEXPR const int digits = static_cast<int>(sizeof(type) * __CHAR_BIT__ - is_signed);
static _LIBCPP_CONSTEXPR const int digits10 = digits * 3 / 10;
static _LIBCPP_CONSTEXPR const int max_digits10 = 0;
static _LIBCPP_CONSTEXPR const type __min = __libcpp_compute_min<type, digits, is_signed>::value;
static _LIBCPP_CONSTEXPR const type __max = is_signed ? type(type(~0) ^ __min) : type(~0);
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {return __min;}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {return __max;}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {return min();}
static _LIBCPP_CONSTEXPR const bool is_integer = true;
static _LIBCPP_CONSTEXPR const bool is_exact = true;
static _LIBCPP_CONSTEXPR const int radix = 2;
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT {return type(0);}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXCEPT {return type(0);}
static _LIBCPP_CONSTEXPR const int min_exponent = 0;
static _LIBCPP_CONSTEXPR const int min_exponent10 = 0;
static _LIBCPP_CONSTEXPR const int max_exponent = 0;
static _LIBCPP_CONSTEXPR const int max_exponent10 = 0;
static _LIBCPP_CONSTEXPR const bool has_infinity = false;
static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = false;
static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = false;
static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = denorm_absent;
static _LIBCPP_CONSTEXPR const bool has_denorm_loss = false;
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT {return type(0);}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEPT {return type(0);}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOEXCEPT {return type(0);}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCEPT {return type(0);}
static _LIBCPP_CONSTEXPR const bool is_iec559 = false;
static _LIBCPP_CONSTEXPR const bool is_bounded = true;
static _LIBCPP_CONSTEXPR const bool is_modulo = true;
#if __i386__ || __x86_64__
static _LIBCPP_CONSTEXPR const bool traps = true;
#else
static _LIBCPP_CONSTEXPR const bool traps = false;
#endif
static _LIBCPP_CONSTEXPR const bool tinyness_before = false;
static _LIBCPP_CONSTEXPR const float_round_style round_style = round_toward_zero;
};
template <>
class __libcpp_numeric_limits<bool, true>
{
protected:
typedef bool type;
static _LIBCPP_CONSTEXPR const bool is_specialized = true;
static _LIBCPP_CONSTEXPR const bool is_signed = false;
static _LIBCPP_CONSTEXPR const int digits = 1;
static _LIBCPP_CONSTEXPR const int digits10 = 0;
static _LIBCPP_CONSTEXPR const int max_digits10 = 0;
static _LIBCPP_CONSTEXPR const type __min = false;
static _LIBCPP_CONSTEXPR const type __max = true;
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {return __min;}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {return __max;}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {return min();}
static _LIBCPP_CONSTEXPR const bool is_integer = true;
static _LIBCPP_CONSTEXPR const bool is_exact = true;
static _LIBCPP_CONSTEXPR const int radix = 2;
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT {return type(0);}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXCEPT {return type(0);}
static _LIBCPP_CONSTEXPR const int min_exponent = 0;
static _LIBCPP_CONSTEXPR const int min_exponent10 = 0;
static _LIBCPP_CONSTEXPR const int max_exponent = 0;
static _LIBCPP_CONSTEXPR const int max_exponent10 = 0;
static _LIBCPP_CONSTEXPR const bool has_infinity = false;
static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = false;
static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = false;
static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = denorm_absent;
static _LIBCPP_CONSTEXPR const bool has_denorm_loss = false;
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT {return type(0);}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEPT {return type(0);}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOEXCEPT {return type(0);}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCEPT {return type(0);}
static _LIBCPP_CONSTEXPR const bool is_iec559 = false;
static _LIBCPP_CONSTEXPR const bool is_bounded = true;
static _LIBCPP_CONSTEXPR const bool is_modulo = false;
static _LIBCPP_CONSTEXPR const bool traps = false;
static _LIBCPP_CONSTEXPR const bool tinyness_before = false;
static _LIBCPP_CONSTEXPR const float_round_style round_style = round_toward_zero;
};
template <>
class __libcpp_numeric_limits<float, true>
{
protected:
typedef float type;
static _LIBCPP_CONSTEXPR const bool is_specialized = true;
static _LIBCPP_CONSTEXPR const bool is_signed = true;
static _LIBCPP_CONSTEXPR const int digits = __FLT_MANT_DIG__;
static _LIBCPP_CONSTEXPR const int digits10 = __FLT_DIG__;
static _LIBCPP_CONSTEXPR const int max_digits10 = 2+(digits * 30103)/100000;
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {return __FLT_MIN__;}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {return __FLT_MAX__;}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {return -max();}
static _LIBCPP_CONSTEXPR const bool is_integer = false;
static _LIBCPP_CONSTEXPR const bool is_exact = false;
static _LIBCPP_CONSTEXPR const int radix = __FLT_RADIX__;
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT {return __FLT_EPSILON__;}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXCEPT {return 0.5F;}
static _LIBCPP_CONSTEXPR const int min_exponent = __FLT_MIN_EXP__;
static _LIBCPP_CONSTEXPR const int min_exponent10 = __FLT_MIN_10_EXP__;
static _LIBCPP_CONSTEXPR const int max_exponent = __FLT_MAX_EXP__;
static _LIBCPP_CONSTEXPR const int max_exponent10 = __FLT_MAX_10_EXP__;
static _LIBCPP_CONSTEXPR const bool has_infinity = true;
static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = true;
static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = true;
static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = denorm_present;
static _LIBCPP_CONSTEXPR const bool has_denorm_loss = false;
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT {return __builtin_huge_valf();}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEPT {return __builtin_nanf("");}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOEXCEPT {return __builtin_nansf("");}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCEPT {return __FLT_DENORM_MIN__;}
static _LIBCPP_CONSTEXPR const bool is_iec559 = true;
static _LIBCPP_CONSTEXPR const bool is_bounded = true;
static _LIBCPP_CONSTEXPR const bool is_modulo = false;
static _LIBCPP_CONSTEXPR const bool traps = false;
static _LIBCPP_CONSTEXPR const bool tinyness_before = false;
static _LIBCPP_CONSTEXPR const float_round_style round_style = round_to_nearest;
};
template <>
class __libcpp_numeric_limits<double, true>
{
protected:
typedef double type;
static _LIBCPP_CONSTEXPR const bool is_specialized = true;
static _LIBCPP_CONSTEXPR const bool is_signed = true;
static _LIBCPP_CONSTEXPR const int digits = __DBL_MANT_DIG__;
static _LIBCPP_CONSTEXPR const int digits10 = __DBL_DIG__;
static _LIBCPP_CONSTEXPR const int max_digits10 = 2+(digits * 30103)/100000;
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {return __DBL_MIN__;}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {return __DBL_MAX__;}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {return -max();}
static _LIBCPP_CONSTEXPR const bool is_integer = false;
static _LIBCPP_CONSTEXPR const bool is_exact = false;
static _LIBCPP_CONSTEXPR const int radix = __FLT_RADIX__;
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT {return __DBL_EPSILON__;}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXCEPT {return 0.5;}
static _LIBCPP_CONSTEXPR const int min_exponent = __DBL_MIN_EXP__;
static _LIBCPP_CONSTEXPR const int min_exponent10 = __DBL_MIN_10_EXP__;
static _LIBCPP_CONSTEXPR const int max_exponent = __DBL_MAX_EXP__;
static _LIBCPP_CONSTEXPR const int max_exponent10 = __DBL_MAX_10_EXP__;
static _LIBCPP_CONSTEXPR const bool has_infinity = true;
static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = true;
static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = true;
static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = denorm_present;
static _LIBCPP_CONSTEXPR const bool has_denorm_loss = false;
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT {return __builtin_huge_val();}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEPT {return __builtin_nan("");}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOEXCEPT {return __builtin_nans("");}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCEPT {return __DBL_DENORM_MIN__;}
static _LIBCPP_CONSTEXPR const bool is_iec559 = true;
static _LIBCPP_CONSTEXPR const bool is_bounded = true;
static _LIBCPP_CONSTEXPR const bool is_modulo = false;
static _LIBCPP_CONSTEXPR const bool traps = false;
static _LIBCPP_CONSTEXPR const bool tinyness_before = false;
static _LIBCPP_CONSTEXPR const float_round_style round_style = round_to_nearest;
};
template <>
class __libcpp_numeric_limits<long double, true>
{
protected:
typedef long double type;
static _LIBCPP_CONSTEXPR const bool is_specialized = true;
static _LIBCPP_CONSTEXPR const bool is_signed = true;
static _LIBCPP_CONSTEXPR const int digits = __LDBL_MANT_DIG__;
static _LIBCPP_CONSTEXPR const int digits10 = __LDBL_DIG__;
static _LIBCPP_CONSTEXPR const int max_digits10 = 2+(digits * 30103)/100000;
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {return __LDBL_MIN__;}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {return __LDBL_MAX__;}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {return -max();}
static _LIBCPP_CONSTEXPR const bool is_integer = false;
static _LIBCPP_CONSTEXPR const bool is_exact = false;
static _LIBCPP_CONSTEXPR const int radix = __FLT_RADIX__;
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT {return __LDBL_EPSILON__;}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXCEPT {return 0.5;}
static _LIBCPP_CONSTEXPR const int min_exponent = __LDBL_MIN_EXP__;
static _LIBCPP_CONSTEXPR const int min_exponent10 = __LDBL_MIN_10_EXP__;
static _LIBCPP_CONSTEXPR const int max_exponent = __LDBL_MAX_EXP__;
static _LIBCPP_CONSTEXPR const int max_exponent10 = __LDBL_MAX_10_EXP__;
static _LIBCPP_CONSTEXPR const bool has_infinity = true;
static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = true;
static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = true;
static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = denorm_present;
static _LIBCPP_CONSTEXPR const bool has_denorm_loss = false;
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT {return __builtin_huge_vall();}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEPT {return __builtin_nanl("");}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOEXCEPT {return __builtin_nansl("");}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCEPT {return __LDBL_DENORM_MIN__;}
#if (defined(__ppc__) || defined(__ppc64__))
static _LIBCPP_CONSTEXPR const bool is_iec559 = false;
#else
static _LIBCPP_CONSTEXPR const bool is_iec559 = true;
#endif
static _LIBCPP_CONSTEXPR const bool is_bounded = true;
static _LIBCPP_CONSTEXPR const bool is_modulo = false;
static _LIBCPP_CONSTEXPR const bool traps = false;
static _LIBCPP_CONSTEXPR const bool tinyness_before = false;
static _LIBCPP_CONSTEXPR const float_round_style round_style = round_to_nearest;
};
template <class _Tp>
class _LIBCPP_TYPE_VIS_ONLY numeric_limits
: private __libcpp_numeric_limits<typename remove_cv<_Tp>::type>
{
typedef __libcpp_numeric_limits<typename remove_cv<_Tp>::type> __base;
typedef typename __base::type type;
public:
static _LIBCPP_CONSTEXPR const bool is_specialized = __base::is_specialized;
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {return __base::min();}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {return __base::max();}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {return __base::lowest();}
static _LIBCPP_CONSTEXPR const int digits = __base::digits;
static _LIBCPP_CONSTEXPR const int digits10 = __base::digits10;
static _LIBCPP_CONSTEXPR const int max_digits10 = __base::max_digits10;
static _LIBCPP_CONSTEXPR const bool is_signed = __base::is_signed;
static _LIBCPP_CONSTEXPR const bool is_integer = __base::is_integer;
static _LIBCPP_CONSTEXPR const bool is_exact = __base::is_exact;
static _LIBCPP_CONSTEXPR const int radix = __base::radix;
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT {return __base::epsilon();}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXCEPT {return __base::round_error();}
static _LIBCPP_CONSTEXPR const int min_exponent = __base::min_exponent;
static _LIBCPP_CONSTEXPR const int min_exponent10 = __base::min_exponent10;
static _LIBCPP_CONSTEXPR const int max_exponent = __base::max_exponent;
static _LIBCPP_CONSTEXPR const int max_exponent10 = __base::max_exponent10;
static _LIBCPP_CONSTEXPR const bool has_infinity = __base::has_infinity;
static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = __base::has_quiet_NaN;
static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = __base::has_signaling_NaN;
static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = __base::has_denorm;
static _LIBCPP_CONSTEXPR const bool has_denorm_loss = __base::has_denorm_loss;
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT {return __base::infinity();}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEPT {return __base::quiet_NaN();}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOEXCEPT {return __base::signaling_NaN();}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCEPT {return __base::denorm_min();}
static _LIBCPP_CONSTEXPR const bool is_iec559 = __base::is_iec559;
static _LIBCPP_CONSTEXPR const bool is_bounded = __base::is_bounded;
static _LIBCPP_CONSTEXPR const bool is_modulo = __base::is_modulo;
static _LIBCPP_CONSTEXPR const bool traps = __base::traps;
static _LIBCPP_CONSTEXPR const bool tinyness_before = __base::tinyness_before;
static _LIBCPP_CONSTEXPR const float_round_style round_style = __base::round_style;
};
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::is_specialized;
template <class _Tp>
_LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::digits;
template <class _Tp>
_LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::digits10;
template <class _Tp>
_LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::max_digits10;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::is_signed;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::is_integer;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::is_exact;
template <class _Tp>
_LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::radix;
template <class _Tp>
_LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::min_exponent;
template <class _Tp>
_LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::min_exponent10;
template <class _Tp>
_LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::max_exponent;
template <class _Tp>
_LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::max_exponent10;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::has_infinity;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::has_quiet_NaN;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::has_signaling_NaN;
template <class _Tp>
_LIBCPP_CONSTEXPR const float_denorm_style numeric_limits<_Tp>::has_denorm;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::has_denorm_loss;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::is_iec559;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::is_bounded;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::is_modulo;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::traps;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::tinyness_before;
template <class _Tp>
_LIBCPP_CONSTEXPR const float_round_style numeric_limits<_Tp>::round_style;
template <class _Tp>
class _LIBCPP_TYPE_VIS_ONLY numeric_limits<const _Tp>
: private numeric_limits<_Tp>
{
typedef numeric_limits<_Tp> __base;
typedef _Tp type;
public:
static _LIBCPP_CONSTEXPR const bool is_specialized = __base::is_specialized;
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {return __base::min();}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {return __base::max();}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {return __base::lowest();}
static _LIBCPP_CONSTEXPR const int digits = __base::digits;
static _LIBCPP_CONSTEXPR const int digits10 = __base::digits10;
static _LIBCPP_CONSTEXPR const int max_digits10 = __base::max_digits10;
static _LIBCPP_CONSTEXPR const bool is_signed = __base::is_signed;
static _LIBCPP_CONSTEXPR const bool is_integer = __base::is_integer;
static _LIBCPP_CONSTEXPR const bool is_exact = __base::is_exact;
static _LIBCPP_CONSTEXPR const int radix = __base::radix;
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT {return __base::epsilon();}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXCEPT {return __base::round_error();}
static _LIBCPP_CONSTEXPR const int min_exponent = __base::min_exponent;
static _LIBCPP_CONSTEXPR const int min_exponent10 = __base::min_exponent10;
static _LIBCPP_CONSTEXPR const int max_exponent = __base::max_exponent;
static _LIBCPP_CONSTEXPR const int max_exponent10 = __base::max_exponent10;
static _LIBCPP_CONSTEXPR const bool has_infinity = __base::has_infinity;
static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = __base::has_quiet_NaN;
static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = __base::has_signaling_NaN;
static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = __base::has_denorm;
static _LIBCPP_CONSTEXPR const bool has_denorm_loss = __base::has_denorm_loss;
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT {return __base::infinity();}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEPT {return __base::quiet_NaN();}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOEXCEPT {return __base::signaling_NaN();}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCEPT {return __base::denorm_min();}
static _LIBCPP_CONSTEXPR const bool is_iec559 = __base::is_iec559;
static _LIBCPP_CONSTEXPR const bool is_bounded = __base::is_bounded;
static _LIBCPP_CONSTEXPR const bool is_modulo = __base::is_modulo;
static _LIBCPP_CONSTEXPR const bool traps = __base::traps;
static _LIBCPP_CONSTEXPR const bool tinyness_before = __base::tinyness_before;
static _LIBCPP_CONSTEXPR const float_round_style round_style = __base::round_style;
};
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::is_specialized;
template <class _Tp>
_LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::digits;
template <class _Tp>
_LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::digits10;
template <class _Tp>
_LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::max_digits10;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::is_signed;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::is_integer;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::is_exact;
template <class _Tp>
_LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::radix;
template <class _Tp>
_LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::min_exponent;
template <class _Tp>
_LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::min_exponent10;
template <class _Tp>
_LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::max_exponent;
template <class _Tp>
_LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::max_exponent10;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::has_infinity;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::has_quiet_NaN;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::has_signaling_NaN;
template <class _Tp>
_LIBCPP_CONSTEXPR const float_denorm_style numeric_limits<const _Tp>::has_denorm;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::has_denorm_loss;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::is_iec559;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::is_bounded;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::is_modulo;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::traps;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::tinyness_before;
template <class _Tp>
_LIBCPP_CONSTEXPR const float_round_style numeric_limits<const _Tp>::round_style;
template <class _Tp>
class _LIBCPP_TYPE_VIS_ONLY numeric_limits<volatile _Tp>
: private numeric_limits<_Tp>
{
typedef numeric_limits<_Tp> __base;
typedef _Tp type;
public:
static _LIBCPP_CONSTEXPR const bool is_specialized = __base::is_specialized;
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {return __base::min();}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {return __base::max();}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {return __base::lowest();}
static _LIBCPP_CONSTEXPR const int digits = __base::digits;
static _LIBCPP_CONSTEXPR const int digits10 = __base::digits10;
static _LIBCPP_CONSTEXPR const int max_digits10 = __base::max_digits10;
static _LIBCPP_CONSTEXPR const bool is_signed = __base::is_signed;
static _LIBCPP_CONSTEXPR const bool is_integer = __base::is_integer;
static _LIBCPP_CONSTEXPR const bool is_exact = __base::is_exact;
static _LIBCPP_CONSTEXPR const int radix = __base::radix;
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT {return __base::epsilon();}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXCEPT {return __base::round_error();}
static _LIBCPP_CONSTEXPR const int min_exponent = __base::min_exponent;
static _LIBCPP_CONSTEXPR const int min_exponent10 = __base::min_exponent10;
static _LIBCPP_CONSTEXPR const int max_exponent = __base::max_exponent;
static _LIBCPP_CONSTEXPR const int max_exponent10 = __base::max_exponent10;
static _LIBCPP_CONSTEXPR const bool has_infinity = __base::has_infinity;
static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = __base::has_quiet_NaN;
static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = __base::has_signaling_NaN;
static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = __base::has_denorm;
static _LIBCPP_CONSTEXPR const bool has_denorm_loss = __base::has_denorm_loss;
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT {return __base::infinity();}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEPT {return __base::quiet_NaN();}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOEXCEPT {return __base::signaling_NaN();}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCEPT {return __base::denorm_min();}
static _LIBCPP_CONSTEXPR const bool is_iec559 = __base::is_iec559;
static _LIBCPP_CONSTEXPR const bool is_bounded = __base::is_bounded;
static _LIBCPP_CONSTEXPR const bool is_modulo = __base::is_modulo;
static _LIBCPP_CONSTEXPR const bool traps = __base::traps;
static _LIBCPP_CONSTEXPR const bool tinyness_before = __base::tinyness_before;
static _LIBCPP_CONSTEXPR const float_round_style round_style = __base::round_style;
};
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::is_specialized;
template <class _Tp>
_LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::digits;
template <class _Tp>
_LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::digits10;
template <class _Tp>
_LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::max_digits10;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::is_signed;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::is_integer;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::is_exact;
template <class _Tp>
_LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::radix;
template <class _Tp>
_LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::min_exponent;
template <class _Tp>
_LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::min_exponent10;
template <class _Tp>
_LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::max_exponent;
template <class _Tp>
_LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::max_exponent10;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::has_infinity;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::has_quiet_NaN;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::has_signaling_NaN;
template <class _Tp>
_LIBCPP_CONSTEXPR const float_denorm_style numeric_limits<volatile _Tp>::has_denorm;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::has_denorm_loss;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::is_iec559;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::is_bounded;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::is_modulo;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::traps;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::tinyness_before;
template <class _Tp>
_LIBCPP_CONSTEXPR const float_round_style numeric_limits<volatile _Tp>::round_style;
template <class _Tp>
class _LIBCPP_TYPE_VIS_ONLY numeric_limits<const volatile _Tp>
: private numeric_limits<_Tp>
{
typedef numeric_limits<_Tp> __base;
typedef _Tp type;
public:
static _LIBCPP_CONSTEXPR const bool is_specialized = __base::is_specialized;
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {return __base::min();}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {return __base::max();}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {return __base::lowest();}
static _LIBCPP_CONSTEXPR const int digits = __base::digits;
static _LIBCPP_CONSTEXPR const int digits10 = __base::digits10;
static _LIBCPP_CONSTEXPR const int max_digits10 = __base::max_digits10;
static _LIBCPP_CONSTEXPR const bool is_signed = __base::is_signed;
static _LIBCPP_CONSTEXPR const bool is_integer = __base::is_integer;
static _LIBCPP_CONSTEXPR const bool is_exact = __base::is_exact;
static _LIBCPP_CONSTEXPR const int radix = __base::radix;
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT {return __base::epsilon();}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXCEPT {return __base::round_error();}
static _LIBCPP_CONSTEXPR const int min_exponent = __base::min_exponent;
static _LIBCPP_CONSTEXPR const int min_exponent10 = __base::min_exponent10;
static _LIBCPP_CONSTEXPR const int max_exponent = __base::max_exponent;
static _LIBCPP_CONSTEXPR const int max_exponent10 = __base::max_exponent10;
static _LIBCPP_CONSTEXPR const bool has_infinity = __base::has_infinity;
static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = __base::has_quiet_NaN;
static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = __base::has_signaling_NaN;
static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = __base::has_denorm;
static _LIBCPP_CONSTEXPR const bool has_denorm_loss = __base::has_denorm_loss;
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT {return __base::infinity();}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEPT {return __base::quiet_NaN();}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOEXCEPT {return __base::signaling_NaN();}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCEPT {return __base::denorm_min();}
static _LIBCPP_CONSTEXPR const bool is_iec559 = __base::is_iec559;
static _LIBCPP_CONSTEXPR const bool is_bounded = __base::is_bounded;
static _LIBCPP_CONSTEXPR const bool is_modulo = __base::is_modulo;
static _LIBCPP_CONSTEXPR const bool traps = __base::traps;
static _LIBCPP_CONSTEXPR const bool tinyness_before = __base::tinyness_before;
static _LIBCPP_CONSTEXPR const float_round_style round_style = __base::round_style;
};
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::is_specialized;
template <class _Tp>
_LIBCPP_CONSTEXPR const int numeric_limits<const volatile _Tp>::digits;
template <class _Tp>
_LIBCPP_CONSTEXPR const int numeric_limits<const volatile _Tp>::digits10;
template <class _Tp>
const int numeric_limits<const volatile _Tp>::max_digits10;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::is_signed;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::is_integer;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::is_exact;
template <class _Tp>
_LIBCPP_CONSTEXPR const int numeric_limits<const volatile _Tp>::radix;
template <class _Tp>
_LIBCPP_CONSTEXPR const int numeric_limits<const volatile _Tp>::min_exponent;
template <class _Tp>
_LIBCPP_CONSTEXPR const int numeric_limits<const volatile _Tp>::min_exponent10;
template <class _Tp>
_LIBCPP_CONSTEXPR const int numeric_limits<const volatile _Tp>::max_exponent;
template <class _Tp>
_LIBCPP_CONSTEXPR const int numeric_limits<const volatile _Tp>::max_exponent10;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::has_infinity;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::has_quiet_NaN;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::has_signaling_NaN;
template <class _Tp>
_LIBCPP_CONSTEXPR const float_denorm_style numeric_limits<const volatile _Tp>::has_denorm;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::has_denorm_loss;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::is_iec559;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::is_bounded;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::is_modulo;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::traps;
template <class _Tp>
_LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::tinyness_before;
template <class _Tp>
_LIBCPP_CONSTEXPR const float_round_style numeric_limits<const volatile _Tp>::round_style;
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_LIMITS

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// -*- C++ -*-
//===--------------------------- mutex ------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_MUTEX
#define _LIBCPP_MUTEX
/*
mutex synopsis
namespace std
{
class mutex
{
public:
constexpr mutex() noexcept;
~mutex();
mutex(const mutex&) = delete;
mutex& operator=(const mutex&) = delete;
void lock();
bool try_lock();
void unlock();
typedef pthread_mutex_t* native_handle_type;
native_handle_type native_handle();
};
class recursive_mutex
{
public:
recursive_mutex();
~recursive_mutex();
recursive_mutex(const recursive_mutex&) = delete;
recursive_mutex& operator=(const recursive_mutex&) = delete;
void lock();
bool try_lock() noexcept;
void unlock();
typedef pthread_mutex_t* native_handle_type;
native_handle_type native_handle();
};
class timed_mutex
{
public:
timed_mutex();
~timed_mutex();
timed_mutex(const timed_mutex&) = delete;
timed_mutex& operator=(const timed_mutex&) = delete;
void lock();
bool try_lock();
template <class Rep, class Period>
bool try_lock_for(const chrono::duration<Rep, Period>& rel_time);
template <class Clock, class Duration>
bool try_lock_until(const chrono::time_point<Clock, Duration>& abs_time);
void unlock();
};
class recursive_timed_mutex
{
public:
recursive_timed_mutex();
~recursive_timed_mutex();
recursive_timed_mutex(const recursive_timed_mutex&) = delete;
recursive_timed_mutex& operator=(const recursive_timed_mutex&) = delete;
void lock();
bool try_lock() noexcept;
template <class Rep, class Period>
bool try_lock_for(const chrono::duration<Rep, Period>& rel_time);
template <class Clock, class Duration>
bool try_lock_until(const chrono::time_point<Clock, Duration>& abs_time);
void unlock();
};
struct defer_lock_t {};
struct try_to_lock_t {};
struct adopt_lock_t {};
constexpr defer_lock_t defer_lock{};
constexpr try_to_lock_t try_to_lock{};
constexpr adopt_lock_t adopt_lock{};
template <class Mutex>
class lock_guard
{
public:
typedef Mutex mutex_type;
explicit lock_guard(mutex_type& m);
lock_guard(mutex_type& m, adopt_lock_t);
~lock_guard();
lock_guard(lock_guard const&) = delete;
lock_guard& operator=(lock_guard const&) = delete;
};
template <class Mutex>
class unique_lock
{
public:
typedef Mutex mutex_type;
unique_lock() noexcept;
explicit unique_lock(mutex_type& m);
unique_lock(mutex_type& m, defer_lock_t) noexcept;
unique_lock(mutex_type& m, try_to_lock_t);
unique_lock(mutex_type& m, adopt_lock_t);
template <class Clock, class Duration>
unique_lock(mutex_type& m, const chrono::time_point<Clock, Duration>& abs_time);
template <class Rep, class Period>
unique_lock(mutex_type& m, const chrono::duration<Rep, Period>& rel_time);
~unique_lock();
unique_lock(unique_lock const&) = delete;
unique_lock& operator=(unique_lock const&) = delete;
unique_lock(unique_lock&& u) noexcept;
unique_lock& operator=(unique_lock&& u) noexcept;
void lock();
bool try_lock();
template <class Rep, class Period>
bool try_lock_for(const chrono::duration<Rep, Period>& rel_time);
template <class Clock, class Duration>
bool try_lock_until(const chrono::time_point<Clock, Duration>& abs_time);
void unlock();
void swap(unique_lock& u) noexcept;
mutex_type* release() noexcept;
bool owns_lock() const noexcept;
explicit operator bool () const noexcept;
mutex_type* mutex() const noexcept;
};
template <class Mutex>
void swap(unique_lock<Mutex>& x, unique_lock<Mutex>& y) noexcept;
template <class L1, class L2, class... L3>
int try_lock(L1&, L2&, L3&...);
template <class L1, class L2, class... L3>
void lock(L1&, L2&, L3&...);
struct once_flag
{
constexpr once_flag() noexcept;
once_flag(const once_flag&) = delete;
once_flag& operator=(const once_flag&) = delete;
};
template<class Callable, class ...Args>
void call_once(once_flag& flag, Callable&& func, Args&&... args);
} // std
*/
#include <__config>
#include <__mutex_base>
#include <functional>
#ifndef _LIBCPP_HAS_NO_VARIADICS
#include <tuple>
#endif
#include <__undef_min_max>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
class _LIBCPP_TYPE_VIS recursive_mutex
{
pthread_mutex_t __m_;
public:
recursive_mutex();
~recursive_mutex();
private:
recursive_mutex(const recursive_mutex&); // = delete;
recursive_mutex& operator=(const recursive_mutex&); // = delete;
public:
void lock();
bool try_lock() _NOEXCEPT;
void unlock() _NOEXCEPT;
typedef pthread_mutex_t* native_handle_type;
_LIBCPP_INLINE_VISIBILITY
native_handle_type native_handle() {return &__m_;}
};
class _LIBCPP_TYPE_VIS timed_mutex
{
mutex __m_;
condition_variable __cv_;
bool __locked_;
public:
timed_mutex();
~timed_mutex();
private:
timed_mutex(const timed_mutex&); // = delete;
timed_mutex& operator=(const timed_mutex&); // = delete;
public:
void lock();
bool try_lock() _NOEXCEPT;
template <class _Rep, class _Period>
_LIBCPP_INLINE_VISIBILITY
bool try_lock_for(const chrono::duration<_Rep, _Period>& __d)
{return try_lock_until(chrono::steady_clock::now() + __d);}
template <class _Clock, class _Duration>
bool try_lock_until(const chrono::time_point<_Clock, _Duration>& __t);
void unlock() _NOEXCEPT;
};
template <class _Clock, class _Duration>
bool
timed_mutex::try_lock_until(const chrono::time_point<_Clock, _Duration>& __t)
{
using namespace chrono;
unique_lock<mutex> __lk(__m_);
bool no_timeout = _Clock::now() < __t;
while (no_timeout && __locked_)
no_timeout = __cv_.wait_until(__lk, __t) == cv_status::no_timeout;
if (!__locked_)
{
__locked_ = true;
return true;
}
return false;
}
class _LIBCPP_TYPE_VIS recursive_timed_mutex
{
mutex __m_;
condition_variable __cv_;
size_t __count_;
pthread_t __id_;
public:
recursive_timed_mutex();
~recursive_timed_mutex();
private:
recursive_timed_mutex(const recursive_timed_mutex&); // = delete;
recursive_timed_mutex& operator=(const recursive_timed_mutex&); // = delete;
public:
void lock();
bool try_lock() _NOEXCEPT;
template <class _Rep, class _Period>
_LIBCPP_INLINE_VISIBILITY
bool try_lock_for(const chrono::duration<_Rep, _Period>& __d)
{return try_lock_until(chrono::steady_clock::now() + __d);}
template <class _Clock, class _Duration>
bool try_lock_until(const chrono::time_point<_Clock, _Duration>& __t);
void unlock() _NOEXCEPT;
};
template <class _Clock, class _Duration>
bool
recursive_timed_mutex::try_lock_until(const chrono::time_point<_Clock, _Duration>& __t)
{
using namespace chrono;
pthread_t __id = pthread_self();
unique_lock<mutex> lk(__m_);
if (pthread_equal(__id, __id_))
{
if (__count_ == numeric_limits<size_t>::max())
return false;
++__count_;
return true;
}
bool no_timeout = _Clock::now() < __t;
while (no_timeout && __count_ != 0)
no_timeout = __cv_.wait_until(lk, __t) == cv_status::no_timeout;
if (__count_ == 0)
{
__count_ = 1;
__id_ = __id;
return true;
}
return false;
}
template <class _L0, class _L1>
int
try_lock(_L0& __l0, _L1& __l1)
{
unique_lock<_L0> __u0(__l0, try_to_lock);
if (__u0.owns_lock())
{
if (__l1.try_lock())
{
__u0.release();
return -1;
}
else
return 1;
}
return 0;
}
#ifndef _LIBCPP_HAS_NO_VARIADICS
template <class _L0, class _L1, class _L2, class... _L3>
int
try_lock(_L0& __l0, _L1& __l1, _L2& __l2, _L3&... __l3)
{
int __r = 0;
unique_lock<_L0> __u0(__l0, try_to_lock);
if (__u0.owns_lock())
{
__r = try_lock(__l1, __l2, __l3...);
if (__r == -1)
__u0.release();
else
++__r;
}
return __r;
}
#endif // _LIBCPP_HAS_NO_VARIADICS
template <class _L0, class _L1>
void
lock(_L0& __l0, _L1& __l1)
{
while (true)
{
{
unique_lock<_L0> __u0(__l0);
if (__l1.try_lock())
{
__u0.release();
break;
}
}
sched_yield();
{
unique_lock<_L1> __u1(__l1);
if (__l0.try_lock())
{
__u1.release();
break;
}
}
sched_yield();
}
}
#ifndef _LIBCPP_HAS_NO_VARIADICS
template <class _L0, class _L1, class _L2, class ..._L3>
void
__lock_first(int __i, _L0& __l0, _L1& __l1, _L2& __l2, _L3& ...__l3)
{
while (true)
{
switch (__i)
{
case 0:
{
unique_lock<_L0> __u0(__l0);
__i = try_lock(__l1, __l2, __l3...);
if (__i == -1)
{
__u0.release();
return;
}
}
++__i;
sched_yield();
break;
case 1:
{
unique_lock<_L1> __u1(__l1);
__i = try_lock(__l2, __l3..., __l0);
if (__i == -1)
{
__u1.release();
return;
}
}
if (__i == sizeof...(_L3) + 1)
__i = 0;
else
__i += 2;
sched_yield();
break;
default:
__lock_first(__i - 2, __l2, __l3..., __l0, __l1);
return;
}
}
}
template <class _L0, class _L1, class _L2, class ..._L3>
inline _LIBCPP_INLINE_VISIBILITY
void
lock(_L0& __l0, _L1& __l1, _L2& __l2, _L3& ...__l3)
{
__lock_first(0, __l0, __l1, __l2, __l3...);
}
#endif // _LIBCPP_HAS_NO_VARIADICS
struct _LIBCPP_TYPE_VIS once_flag;
#ifndef _LIBCPP_HAS_NO_VARIADICS
template<class _Callable, class... _Args>
_LIBCPP_INLINE_VISIBILITY
void call_once(once_flag&, _Callable&&, _Args&&...);
#else // _LIBCPP_HAS_NO_VARIADICS
template<class _Callable>
_LIBCPP_INLINE_VISIBILITY
void call_once(once_flag&, _Callable);
#endif // _LIBCPP_HAS_NO_VARIADICS
struct _LIBCPP_TYPE_VIS_ONLY once_flag
{
_LIBCPP_INLINE_VISIBILITY
_LIBCPP_CONSTEXPR
once_flag() _NOEXCEPT : __state_(0) {}
private:
once_flag(const once_flag&); // = delete;
once_flag& operator=(const once_flag&); // = delete;
unsigned long __state_;
#ifndef _LIBCPP_HAS_NO_VARIADICS
template<class _Callable, class... _Args>
friend
void call_once(once_flag&, _Callable&&, _Args&&...);
#else // _LIBCPP_HAS_NO_VARIADICS
template<class _Callable>
friend
void call_once(once_flag&, _Callable);
#endif // _LIBCPP_HAS_NO_VARIADICS
};
#ifndef _LIBCPP_HAS_NO_VARIADICS
template <class _Fp>
class __call_once_param
{
_Fp __f_;
public:
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
_LIBCPP_INLINE_VISIBILITY
explicit __call_once_param(_Fp&& __f) : __f_(_VSTD::move(__f)) {}
#else
_LIBCPP_INLINE_VISIBILITY
explicit __call_once_param(const _Fp& __f) : __f_(__f) {}
#endif
_LIBCPP_INLINE_VISIBILITY
void operator()()
{
typedef typename __make_tuple_indices<tuple_size<_Fp>::value, 1>::type _Index;
__execute(_Index());
}
private:
template <size_t ..._Indices>
_LIBCPP_INLINE_VISIBILITY
void __execute(__tuple_indices<_Indices...>)
{
__invoke(_VSTD::move(_VSTD::get<0>(__f_)), _VSTD::move(_VSTD::get<_Indices>(__f_))...);
}
};
#else
template <class _Fp>
class __call_once_param
{
_Fp __f_;
public:
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
_LIBCPP_INLINE_VISIBILITY
explicit __call_once_param(_Fp&& __f) : __f_(_VSTD::move(__f)) {}
#else
_LIBCPP_INLINE_VISIBILITY
explicit __call_once_param(const _Fp& __f) : __f_(__f) {}
#endif
_LIBCPP_INLINE_VISIBILITY
void operator()()
{
__f_();
}
};
#endif
template <class _Fp>
void
__call_once_proxy(void* __vp)
{
__call_once_param<_Fp>* __p = static_cast<__call_once_param<_Fp>*>(__vp);
(*__p)();
}
_LIBCPP_FUNC_VIS void __call_once(volatile unsigned long&, void*, void(*)(void*));
#ifndef _LIBCPP_HAS_NO_VARIADICS
template<class _Callable, class... _Args>
inline _LIBCPP_INLINE_VISIBILITY
void
call_once(once_flag& __flag, _Callable&& __func, _Args&&... __args)
{
if (__flag.__state_ != ~0ul)
{
typedef tuple<typename decay<_Callable>::type, typename decay<_Args>::type...> _Gp;
__call_once_param<_Gp> __p(_Gp(__decay_copy(_VSTD::forward<_Callable>(__func)),
__decay_copy(_VSTD::forward<_Args>(__args))...));
__call_once(__flag.__state_, &__p, &__call_once_proxy<_Gp>);
}
}
#else // _LIBCPP_HAS_NO_VARIADICS
template<class _Callable>
inline _LIBCPP_INLINE_VISIBILITY
void
call_once(once_flag& __flag, _Callable __func)
{
if (__flag.__state_ != ~0ul)
{
__call_once_param<_Callable> __p(__func);
__call_once(__flag.__state_, &__p, &__call_once_proxy<_Callable>);
}
}
#endif // _LIBCPP_HAS_NO_VARIADICS
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_MUTEX

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// -*- C++ -*-
//===----------------------------- new ------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_NEW
#define _LIBCPP_NEW
/*
new synopsis
namespace std
{
class bad_alloc
: public exception
{
public:
bad_alloc() noexcept;
bad_alloc(const bad_alloc&) noexcept;
bad_alloc& operator=(const bad_alloc&) noexcept;
virtual const char* what() const noexcept;
};
class bad_array_length : public bad_alloc // C++14
{
public:
bad_array_length() noexcept;
};
class bad_array_new_length : public bad_alloc
{
public:
bad_array_new_length() noexcept;
};
struct nothrow_t {};
extern const nothrow_t nothrow;
typedef void (*new_handler)();
new_handler set_new_handler(new_handler new_p) noexcept;
new_handler get_new_handler() noexcept;
} // std
void* operator new(std::size_t size); // replaceable
void* operator new(std::size_t size, const std::nothrow_t&) noexcept; // replaceable
void operator delete(void* ptr) noexcept; // replaceable
void operator delete(void* ptr, const std::nothrow_t&) noexcept; // replaceable
void* operator new[](std::size_t size); // replaceable
void* operator new[](std::size_t size, const std::nothrow_t&) noexcept; // replaceable
void operator delete[](void* ptr) noexcept; // replaceable
void operator delete[](void* ptr, const std::nothrow_t&) noexcept; // replaceable
void* operator new (std::size_t size, void* ptr) noexcept;
void* operator new[](std::size_t size, void* ptr) noexcept;
void operator delete (void* ptr, void*) noexcept;
void operator delete[](void* ptr, void*) noexcept;
*/
#include <__config>
#include <exception>
#include <cstddef>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
namespace std // purposefully not using versioning namespace
{
class _LIBCPP_EXCEPTION_ABI bad_alloc
: public exception
{
public:
bad_alloc() _NOEXCEPT;
virtual ~bad_alloc() _NOEXCEPT;
virtual const char* what() const _NOEXCEPT;
};
class _LIBCPP_EXCEPTION_ABI bad_array_new_length
: public bad_alloc
{
public:
bad_array_new_length() _NOEXCEPT;
virtual ~bad_array_new_length() _NOEXCEPT;
virtual const char* what() const _NOEXCEPT;
};
#if defined(_LIBCPP_BUILDING_NEW) || (_LIBCPP_STD_VER > 11)
class _LIBCPP_EXCEPTION_ABI bad_array_length
: public bad_alloc
{
public:
bad_array_length() _NOEXCEPT;
virtual ~bad_array_length() _NOEXCEPT;
virtual const char* what() const _NOEXCEPT;
};
#define _LIBCPP_BAD_ARRAY_LENGTH_DEFINED
#endif // defined(_LIBCPP_BUILDING_NEW) || (_LIBCPP_STD_VER > 11)
_LIBCPP_FUNC_VIS void __throw_bad_alloc(); // not in C++ spec
struct _LIBCPP_TYPE_VIS nothrow_t {};
extern _LIBCPP_FUNC_VIS const nothrow_t nothrow;
typedef void (*new_handler)();
_LIBCPP_FUNC_VIS new_handler set_new_handler(new_handler) _NOEXCEPT;
_LIBCPP_FUNC_VIS new_handler get_new_handler() _NOEXCEPT;
} // std
#if defined(_WIN32) && !defined(cxx_EXPORTS)
# define _LIBCPP_NEW_DELETE_VIS _LIBCPP_FUNC_VIS_ONLY
#else
# define _LIBCPP_NEW_DELETE_VIS _LIBCPP_FUNC_VIS
#endif
_LIBCPP_NEW_DELETE_VIS void* operator new(std::size_t __sz)
#if !__has_feature(cxx_noexcept)
throw(std::bad_alloc)
#endif
;
_LIBCPP_NEW_DELETE_VIS void* operator new(std::size_t __sz, const std::nothrow_t&) _NOEXCEPT _NOALIAS;
_LIBCPP_NEW_DELETE_VIS void operator delete(void* __p) _NOEXCEPT;
_LIBCPP_NEW_DELETE_VIS void operator delete(void* __p, const std::nothrow_t&) _NOEXCEPT;
_LIBCPP_NEW_DELETE_VIS void* operator new[](std::size_t __sz)
#if !__has_feature(cxx_noexcept)
throw(std::bad_alloc)
#endif
;
_LIBCPP_NEW_DELETE_VIS void* operator new[](std::size_t __sz, const std::nothrow_t&) _NOEXCEPT _NOALIAS;
_LIBCPP_NEW_DELETE_VIS void operator delete[](void* __p) _NOEXCEPT;
_LIBCPP_NEW_DELETE_VIS void operator delete[](void* __p, const std::nothrow_t&) _NOEXCEPT;
inline _LIBCPP_INLINE_VISIBILITY void* operator new (std::size_t, void* __p) _NOEXCEPT {return __p;}
inline _LIBCPP_INLINE_VISIBILITY void* operator new[](std::size_t, void* __p) _NOEXCEPT {return __p;}
inline _LIBCPP_INLINE_VISIBILITY void operator delete (void*, void*) _NOEXCEPT {}
inline _LIBCPP_INLINE_VISIBILITY void operator delete[](void*, void*) _NOEXCEPT {}
#endif // _LIBCPP_NEW

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// -*- C++ -*-
//===---------------------------- numeric ---------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_NUMERIC
#define _LIBCPP_NUMERIC
/*
numeric synopsis
namespace std
{
template <class InputIterator, class T>
T
accumulate(InputIterator first, InputIterator last, T init);
template <class InputIterator, class T, class BinaryOperation>
T
accumulate(InputIterator first, InputIterator last, T init, BinaryOperation binary_op);
template <class InputIterator1, class InputIterator2, class T>
T
inner_product(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2, T init);
template <class InputIterator1, class InputIterator2, class T, class BinaryOperation1, class BinaryOperation2>
T
inner_product(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2,
T init, BinaryOperation1 binary_op1, BinaryOperation2 binary_op2);
template <class InputIterator, class OutputIterator>
OutputIterator
partial_sum(InputIterator first, InputIterator last, OutputIterator result);
template <class InputIterator, class OutputIterator, class BinaryOperation>
OutputIterator
partial_sum(InputIterator first, InputIterator last, OutputIterator result, BinaryOperation binary_op);
template <class InputIterator, class OutputIterator>
OutputIterator
adjacent_difference(InputIterator first, InputIterator last, OutputIterator result);
template <class InputIterator, class OutputIterator, class BinaryOperation>
OutputIterator
adjacent_difference(InputIterator first, InputIterator last, OutputIterator result, BinaryOperation binary_op);
template <class ForwardIterator, class T>
void iota(ForwardIterator first, ForwardIterator last, T value);
} // std
*/
#include <__config>
#include <iterator>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
template <class _InputIterator, class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
_Tp
accumulate(_InputIterator __first, _InputIterator __last, _Tp __init)
{
for (; __first != __last; ++__first)
__init = __init + *__first;
return __init;
}
template <class _InputIterator, class _Tp, class _BinaryOperation>
inline _LIBCPP_INLINE_VISIBILITY
_Tp
accumulate(_InputIterator __first, _InputIterator __last, _Tp __init, _BinaryOperation __binary_op)
{
for (; __first != __last; ++__first)
__init = __binary_op(__init, *__first);
return __init;
}
template <class _InputIterator1, class _InputIterator2, class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
_Tp
inner_product(_InputIterator1 __first1, _InputIterator1 __last1, _InputIterator2 __first2, _Tp __init)
{
for (; __first1 != __last1; ++__first1, ++__first2)
__init = __init + *__first1 * *__first2;
return __init;
}
template <class _InputIterator1, class _InputIterator2, class _Tp, class _BinaryOperation1, class _BinaryOperation2>
inline _LIBCPP_INLINE_VISIBILITY
_Tp
inner_product(_InputIterator1 __first1, _InputIterator1 __last1, _InputIterator2 __first2,
_Tp __init, _BinaryOperation1 __binary_op1, _BinaryOperation2 __binary_op2)
{
for (; __first1 != __last1; ++__first1, ++__first2)
__init = __binary_op1(__init, __binary_op2(*__first1, *__first2));
return __init;
}
template <class _InputIterator, class _OutputIterator>
inline _LIBCPP_INLINE_VISIBILITY
_OutputIterator
partial_sum(_InputIterator __first, _InputIterator __last, _OutputIterator __result)
{
if (__first != __last)
{
typename iterator_traits<_InputIterator>::value_type __t(*__first);
*__result = __t;
for (++__first, ++__result; __first != __last; ++__first, ++__result)
{
__t = __t + *__first;
*__result = __t;
}
}
return __result;
}
template <class _InputIterator, class _OutputIterator, class _BinaryOperation>
inline _LIBCPP_INLINE_VISIBILITY
_OutputIterator
partial_sum(_InputIterator __first, _InputIterator __last, _OutputIterator __result,
_BinaryOperation __binary_op)
{
if (__first != __last)
{
typename iterator_traits<_InputIterator>::value_type __t(*__first);
*__result = __t;
for (++__first, ++__result; __first != __last; ++__first, ++__result)
{
__t = __binary_op(__t, *__first);
*__result = __t;
}
}
return __result;
}
template <class _InputIterator, class _OutputIterator>
inline _LIBCPP_INLINE_VISIBILITY
_OutputIterator
adjacent_difference(_InputIterator __first, _InputIterator __last, _OutputIterator __result)
{
if (__first != __last)
{
typename iterator_traits<_InputIterator>::value_type __t1(*__first);
*__result = __t1;
for (++__first, ++__result; __first != __last; ++__first, ++__result)
{
typename iterator_traits<_InputIterator>::value_type __t2(*__first);
*__result = __t2 - __t1;
__t1 = _VSTD::move(__t2);
}
}
return __result;
}
template <class _InputIterator, class _OutputIterator, class _BinaryOperation>
inline _LIBCPP_INLINE_VISIBILITY
_OutputIterator
adjacent_difference(_InputIterator __first, _InputIterator __last, _OutputIterator __result,
_BinaryOperation __binary_op)
{
if (__first != __last)
{
typename iterator_traits<_InputIterator>::value_type __t1(*__first);
*__result = __t1;
for (++__first, ++__result; __first != __last; ++__first, ++__result)
{
typename iterator_traits<_InputIterator>::value_type __t2(*__first);
*__result = __binary_op(__t2, __t1);
__t1 = _VSTD::move(__t2);
}
}
return __result;
}
template <class _ForwardIterator, class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
void
iota(_ForwardIterator __first, _ForwardIterator __last, _Tp __value_)
{
for (; __first != __last; ++__first, ++__value_)
*__first = __value_;
}
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_NUMERIC

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// -*- C++ -*-
//===--------------------------- queue ------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_QUEUE
#define _LIBCPP_QUEUE
/*
queue synopsis
namespace std
{
template <class T, class Container = deque<T>>
class queue
{
public:
typedef Container container_type;
typedef typename container_type::value_type value_type;
typedef typename container_type::reference reference;
typedef typename container_type::const_reference const_reference;
typedef typename container_type::size_type size_type;
protected:
container_type c;
public:
queue() = default;
~queue() = default;
queue(const queue& q) = default;
queue(queue&& q) = default;
queue& operator=(const queue& q) = default;
queue& operator=(queue&& q) = default;
explicit queue(const container_type& c);
explicit queue(container_type&& c)
template <class Alloc>
explicit queue(const Alloc& a);
template <class Alloc>
queue(const container_type& c, const Alloc& a);
template <class Alloc>
queue(container_type&& c, const Alloc& a);
template <class Alloc>
queue(const queue& q, const Alloc& a);
template <class Alloc>
queue(queue&& q, const Alloc& a);
bool empty() const;
size_type size() const;
reference front();
const_reference front() const;
reference back();
const_reference back() const;
void push(const value_type& v);
void push(value_type&& v);
template <class... Args> void emplace(Args&&... args);
void pop();
void swap(queue& q) noexcept(noexcept(swap(c, q.c)));
};
template <class T, class Container>
bool operator==(const queue<T, Container>& x,const queue<T, Container>& y);
template <class T, class Container>
bool operator< (const queue<T, Container>& x,const queue<T, Container>& y);
template <class T, class Container>
bool operator!=(const queue<T, Container>& x,const queue<T, Container>& y);
template <class T, class Container>
bool operator> (const queue<T, Container>& x,const queue<T, Container>& y);
template <class T, class Container>
bool operator>=(const queue<T, Container>& x,const queue<T, Container>& y);
template <class T, class Container>
bool operator<=(const queue<T, Container>& x,const queue<T, Container>& y);
template <class T, class Container>
void swap(queue<T, Container>& x, queue<T, Container>& y)
noexcept(noexcept(x.swap(y)));
template <class T, class Container = vector<T>,
class Compare = less<typename Container::value_type>>
class priority_queue
{
public:
typedef Container container_type;
typedef typename container_type::value_type value_type;
typedef typename container_type::reference reference;
typedef typename container_type::const_reference const_reference;
typedef typename container_type::size_type size_type;
protected:
container_type c;
Compare comp;
public:
priority_queue() = default;
~priority_queue() = default;
priority_queue(const priority_queue& q) = default;
priority_queue(priority_queue&& q) = default;
priority_queue& operator=(const priority_queue& q) = default;
priority_queue& operator=(priority_queue&& q) = default;
explicit priority_queue(const Compare& comp);
priority_queue(const Compare& comp, const container_type& c);
explicit priority_queue(const Compare& comp, container_type&& c);
template <class InputIterator>
priority_queue(InputIterator first, InputIterator last,
const Compare& comp = Compare());
template <class InputIterator>
priority_queue(InputIterator first, InputIterator last,
const Compare& comp, const container_type& c);
template <class InputIterator>
priority_queue(InputIterator first, InputIterator last,
const Compare& comp, container_type&& c);
template <class Alloc>
explicit priority_queue(const Alloc& a);
template <class Alloc>
priority_queue(const Compare& comp, const Alloc& a);
template <class Alloc>
priority_queue(const Compare& comp, const container_type& c,
const Alloc& a);
template <class Alloc>
priority_queue(const Compare& comp, container_type&& c,
const Alloc& a);
template <class Alloc>
priority_queue(const priority_queue& q, const Alloc& a);
template <class Alloc>
priority_queue(priority_queue&& q, const Alloc& a);
bool empty() const;
size_type size() const;
const_reference top() const;
void push(const value_type& v);
void push(value_type&& v);
template <class... Args> void emplace(Args&&... args);
void pop();
void swap(priority_queue& q)
noexcept(noexcept(swap(c, q.c)) && noexcept(swap(comp.q.comp)));
};
template <class T, class Container, class Compare>
void swap(priority_queue<T, Container, Compare>& x,
priority_queue<T, Container, Compare>& y)
noexcept(noexcept(x.swap(y)));
} // std
*/
#include <__config>
#include <deque>
#include <vector>
#include <functional>
#include <algorithm>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
template <class _Tp, class _Container> class _LIBCPP_TYPE_VIS_ONLY queue;
template <class _Tp, class _Container>
_LIBCPP_INLINE_VISIBILITY
bool
operator==(const queue<_Tp, _Container>& __x,const queue<_Tp, _Container>& __y);
template <class _Tp, class _Container>
_LIBCPP_INLINE_VISIBILITY
bool
operator< (const queue<_Tp, _Container>& __x,const queue<_Tp, _Container>& __y);
template <class _Tp, class _Container = deque<_Tp> >
class _LIBCPP_TYPE_VIS_ONLY queue
{
public:
typedef _Container container_type;
typedef typename container_type::value_type value_type;
typedef typename container_type::reference reference;
typedef typename container_type::const_reference const_reference;
typedef typename container_type::size_type size_type;
protected:
container_type c;
public:
_LIBCPP_INLINE_VISIBILITY
queue()
_NOEXCEPT_(is_nothrow_default_constructible<container_type>::value)
: c() {}
_LIBCPP_INLINE_VISIBILITY
queue(const queue& __q) : c(__q.c) {}
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
_LIBCPP_INLINE_VISIBILITY
queue(queue&& __q)
_NOEXCEPT_(is_nothrow_move_constructible<container_type>::value)
: c(_VSTD::move(__q.c)) {}
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
_LIBCPP_INLINE_VISIBILITY
queue& operator=(const queue& __q) {c = __q.c; return *this;}
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
_LIBCPP_INLINE_VISIBILITY
queue& operator=(queue&& __q)
_NOEXCEPT_(is_nothrow_move_assignable<container_type>::value)
{c = _VSTD::move(__q.c); return *this;}
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
_LIBCPP_INLINE_VISIBILITY
explicit queue(const container_type& __c) : c(__c) {}
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
_LIBCPP_INLINE_VISIBILITY
explicit queue(container_type&& __c) : c(_VSTD::move(__c)) {}
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
template <class _Alloc>
_LIBCPP_INLINE_VISIBILITY
explicit queue(const _Alloc& __a,
typename enable_if<uses_allocator<container_type,
_Alloc>::value>::type* = 0)
: c(__a) {}
template <class _Alloc>
_LIBCPP_INLINE_VISIBILITY
queue(const queue& __q, const _Alloc& __a,
typename enable_if<uses_allocator<container_type,
_Alloc>::value>::type* = 0)
: c(__q.c, __a) {}
template <class _Alloc>
_LIBCPP_INLINE_VISIBILITY
queue(const container_type& __c, const _Alloc& __a,
typename enable_if<uses_allocator<container_type,
_Alloc>::value>::type* = 0)
: c(__c, __a) {}
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
template <class _Alloc>
_LIBCPP_INLINE_VISIBILITY
queue(container_type&& __c, const _Alloc& __a,
typename enable_if<uses_allocator<container_type,
_Alloc>::value>::type* = 0)
: c(_VSTD::move(__c), __a) {}
template <class _Alloc>
_LIBCPP_INLINE_VISIBILITY
queue(queue&& __q, const _Alloc& __a,
typename enable_if<uses_allocator<container_type,
_Alloc>::value>::type* = 0)
: c(_VSTD::move(__q.c), __a) {}
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
_LIBCPP_INLINE_VISIBILITY
bool empty() const {return c.empty();}
_LIBCPP_INLINE_VISIBILITY
size_type size() const {return c.size();}
_LIBCPP_INLINE_VISIBILITY
reference front() {return c.front();}
_LIBCPP_INLINE_VISIBILITY
const_reference front() const {return c.front();}
_LIBCPP_INLINE_VISIBILITY
reference back() {return c.back();}
_LIBCPP_INLINE_VISIBILITY
const_reference back() const {return c.back();}
_LIBCPP_INLINE_VISIBILITY
void push(const value_type& __v) {c.push_back(__v);}
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
_LIBCPP_INLINE_VISIBILITY
void push(value_type&& __v) {c.push_back(_VSTD::move(__v));}
#ifndef _LIBCPP_HAS_NO_VARIADICS
template <class... _Args>
_LIBCPP_INLINE_VISIBILITY
void emplace(_Args&&... __args)
{c.emplace_back(_VSTD::forward<_Args>(__args)...);}
#endif // _LIBCPP_HAS_NO_VARIADICS
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
_LIBCPP_INLINE_VISIBILITY
void pop() {c.pop_front();}
_LIBCPP_INLINE_VISIBILITY
void swap(queue& __q)
_NOEXCEPT_(__is_nothrow_swappable<container_type>::value)
{
using _VSTD::swap;
swap(c, __q.c);
}
template <class _T1, class _C1>
friend
_LIBCPP_INLINE_VISIBILITY
bool
operator==(const queue<_T1, _C1>& __x,const queue<_T1, _C1>& __y);
template <class _T1, class _C1>
friend
_LIBCPP_INLINE_VISIBILITY
bool
operator< (const queue<_T1, _C1>& __x,const queue<_T1, _C1>& __y);
};
template <class _Tp, class _Container>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator==(const queue<_Tp, _Container>& __x,const queue<_Tp, _Container>& __y)
{
return __x.c == __y.c;
}
template <class _Tp, class _Container>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator< (const queue<_Tp, _Container>& __x,const queue<_Tp, _Container>& __y)
{
return __x.c < __y.c;
}
template <class _Tp, class _Container>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator!=(const queue<_Tp, _Container>& __x,const queue<_Tp, _Container>& __y)
{
return !(__x == __y);
}
template <class _Tp, class _Container>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator> (const queue<_Tp, _Container>& __x,const queue<_Tp, _Container>& __y)
{
return __y < __x;
}
template <class _Tp, class _Container>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator>=(const queue<_Tp, _Container>& __x,const queue<_Tp, _Container>& __y)
{
return !(__x < __y);
}
template <class _Tp, class _Container>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator<=(const queue<_Tp, _Container>& __x,const queue<_Tp, _Container>& __y)
{
return !(__y < __x);
}
template <class _Tp, class _Container>
inline _LIBCPP_INLINE_VISIBILITY
void
swap(queue<_Tp, _Container>& __x, queue<_Tp, _Container>& __y)
_NOEXCEPT_(_NOEXCEPT_(__x.swap(__y)))
{
__x.swap(__y);
}
template <class _Tp, class _Container, class _Alloc>
struct _LIBCPP_TYPE_VIS_ONLY uses_allocator<queue<_Tp, _Container>, _Alloc>
: public uses_allocator<_Container, _Alloc>
{
};
template <class _Tp, class _Container = vector<_Tp>,
class _Compare = less<typename _Container::value_type> >
class _LIBCPP_TYPE_VIS_ONLY priority_queue
{
public:
typedef _Container container_type;
typedef _Compare value_compare;
typedef typename container_type::value_type value_type;
typedef typename container_type::reference reference;
typedef typename container_type::const_reference const_reference;
typedef typename container_type::size_type size_type;
protected:
container_type c;
value_compare comp;
public:
_LIBCPP_INLINE_VISIBILITY
priority_queue()
_NOEXCEPT_(is_nothrow_default_constructible<container_type>::value &&
is_nothrow_default_constructible<value_compare>::value)
: c(), comp() {}
_LIBCPP_INLINE_VISIBILITY
priority_queue(const priority_queue& __q) : c(__q.c), comp(__q.comp) {}
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
_LIBCPP_INLINE_VISIBILITY
priority_queue(priority_queue&& __q)
_NOEXCEPT_(is_nothrow_move_constructible<container_type>::value &&
is_nothrow_move_constructible<value_compare>::value)
: c(_VSTD::move(__q.c)), comp(_VSTD::move(__q.comp)) {}
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
_LIBCPP_INLINE_VISIBILITY
priority_queue& operator=(const priority_queue& __q)
{c = __q.c; comp = __q.comp; return *this;}
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
_LIBCPP_INLINE_VISIBILITY
priority_queue& operator=(priority_queue&& __q)
_NOEXCEPT_(is_nothrow_move_assignable<container_type>::value &&
is_nothrow_move_assignable<value_compare>::value)
{c = _VSTD::move(__q.c); comp = _VSTD::move(__q.comp); return *this;}
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
_LIBCPP_INLINE_VISIBILITY
explicit priority_queue(const value_compare& __comp)
: c(), comp(__comp) {}
priority_queue(const value_compare& __comp, const container_type& __c);
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
explicit priority_queue(const value_compare& __comp, container_type&& __c);
#endif
template <class _InputIter>
priority_queue(_InputIter __f, _InputIter __l,
const value_compare& __comp = value_compare());
template <class _InputIter>
priority_queue(_InputIter __f, _InputIter __l,
const value_compare& __comp, const container_type& __c);
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
template <class _InputIter>
priority_queue(_InputIter __f, _InputIter __l,
const value_compare& __comp, container_type&& __c);
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
template <class _Alloc>
explicit priority_queue(const _Alloc& __a,
typename enable_if<uses_allocator<container_type,
_Alloc>::value>::type* = 0);
template <class _Alloc>
priority_queue(const value_compare& __comp, const _Alloc& __a,
typename enable_if<uses_allocator<container_type,
_Alloc>::value>::type* = 0);
template <class _Alloc>
priority_queue(const value_compare& __comp, const container_type& __c,
const _Alloc& __a,
typename enable_if<uses_allocator<container_type,
_Alloc>::value>::type* = 0);
template <class _Alloc>
priority_queue(const priority_queue& __q, const _Alloc& __a,
typename enable_if<uses_allocator<container_type,
_Alloc>::value>::type* = 0);
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
template <class _Alloc>
priority_queue(const value_compare& __comp, container_type&& __c,
const _Alloc& __a,
typename enable_if<uses_allocator<container_type,
_Alloc>::value>::type* = 0);
template <class _Alloc>
priority_queue(priority_queue&& __q, const _Alloc& __a,
typename enable_if<uses_allocator<container_type,
_Alloc>::value>::type* = 0);
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
_LIBCPP_INLINE_VISIBILITY
bool empty() const {return c.empty();}
_LIBCPP_INLINE_VISIBILITY
size_type size() const {return c.size();}
_LIBCPP_INLINE_VISIBILITY
const_reference top() const {return c.front();}
void push(const value_type& __v);
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
void push(value_type&& __v);
#ifndef _LIBCPP_HAS_NO_VARIADICS
template <class... _Args> void emplace(_Args&&... __args);
#endif
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
void pop();
void swap(priority_queue& __q)
_NOEXCEPT_(__is_nothrow_swappable<container_type>::value &&
__is_nothrow_swappable<value_compare>::value);
};
template <class _Tp, class _Container, class _Compare>
inline _LIBCPP_INLINE_VISIBILITY
priority_queue<_Tp, _Container, _Compare>::priority_queue(const _Compare& __comp,
const container_type& __c)
: c(__c),
comp(__comp)
{
_VSTD::make_heap(c.begin(), c.end(), comp);
}
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
template <class _Tp, class _Container, class _Compare>
inline _LIBCPP_INLINE_VISIBILITY
priority_queue<_Tp, _Container, _Compare>::priority_queue(const value_compare& __comp,
container_type&& __c)
: c(_VSTD::move(__c)),
comp(__comp)
{
_VSTD::make_heap(c.begin(), c.end(), comp);
}
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
template <class _Tp, class _Container, class _Compare>
template <class _InputIter>
inline _LIBCPP_INLINE_VISIBILITY
priority_queue<_Tp, _Container, _Compare>::priority_queue(_InputIter __f, _InputIter __l,
const value_compare& __comp)
: c(__f, __l),
comp(__comp)
{
_VSTD::make_heap(c.begin(), c.end(), comp);
}
template <class _Tp, class _Container, class _Compare>
template <class _InputIter>
inline _LIBCPP_INLINE_VISIBILITY
priority_queue<_Tp, _Container, _Compare>::priority_queue(_InputIter __f, _InputIter __l,
const value_compare& __comp,
const container_type& __c)
: c(__c),
comp(__comp)
{
c.insert(c.end(), __f, __l);
_VSTD::make_heap(c.begin(), c.end(), comp);
}
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
template <class _Tp, class _Container, class _Compare>
template <class _InputIter>
inline _LIBCPP_INLINE_VISIBILITY
priority_queue<_Tp, _Container, _Compare>::priority_queue(_InputIter __f, _InputIter __l,
const value_compare& __comp,
container_type&& __c)
: c(_VSTD::move(__c)),
comp(__comp)
{
c.insert(c.end(), __f, __l);
_VSTD::make_heap(c.begin(), c.end(), comp);
}
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
template <class _Tp, class _Container, class _Compare>
template <class _Alloc>
inline _LIBCPP_INLINE_VISIBILITY
priority_queue<_Tp, _Container, _Compare>::priority_queue(const _Alloc& __a,
typename enable_if<uses_allocator<container_type,
_Alloc>::value>::type*)
: c(__a)
{
}
template <class _Tp, class _Container, class _Compare>
template <class _Alloc>
inline _LIBCPP_INLINE_VISIBILITY
priority_queue<_Tp, _Container, _Compare>::priority_queue(const value_compare& __comp,
const _Alloc& __a,
typename enable_if<uses_allocator<container_type,
_Alloc>::value>::type*)
: c(__a),
comp(__comp)
{
}
template <class _Tp, class _Container, class _Compare>
template <class _Alloc>
inline _LIBCPP_INLINE_VISIBILITY
priority_queue<_Tp, _Container, _Compare>::priority_queue(const value_compare& __comp,
const container_type& __c,
const _Alloc& __a,
typename enable_if<uses_allocator<container_type,
_Alloc>::value>::type*)
: c(__c, __a),
comp(__comp)
{
_VSTD::make_heap(c.begin(), c.end(), comp);
}
template <class _Tp, class _Container, class _Compare>
template <class _Alloc>
inline _LIBCPP_INLINE_VISIBILITY
priority_queue<_Tp, _Container, _Compare>::priority_queue(const priority_queue& __q,
const _Alloc& __a,
typename enable_if<uses_allocator<container_type,
_Alloc>::value>::type*)
: c(__q.c, __a),
comp(__q.comp)
{
_VSTD::make_heap(c.begin(), c.end(), comp);
}
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
template <class _Tp, class _Container, class _Compare>
template <class _Alloc>
inline _LIBCPP_INLINE_VISIBILITY
priority_queue<_Tp, _Container, _Compare>::priority_queue(const value_compare& __comp,
container_type&& __c,
const _Alloc& __a,
typename enable_if<uses_allocator<container_type,
_Alloc>::value>::type*)
: c(_VSTD::move(__c), __a),
comp(__comp)
{
_VSTD::make_heap(c.begin(), c.end(), comp);
}
template <class _Tp, class _Container, class _Compare>
template <class _Alloc>
inline _LIBCPP_INLINE_VISIBILITY
priority_queue<_Tp, _Container, _Compare>::priority_queue(priority_queue&& __q,
const _Alloc& __a,
typename enable_if<uses_allocator<container_type,
_Alloc>::value>::type*)
: c(_VSTD::move(__q.c), __a),
comp(_VSTD::move(__q.comp))
{
_VSTD::make_heap(c.begin(), c.end(), comp);
}
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
template <class _Tp, class _Container, class _Compare>
inline _LIBCPP_INLINE_VISIBILITY
void
priority_queue<_Tp, _Container, _Compare>::push(const value_type& __v)
{
c.push_back(__v);
_VSTD::push_heap(c.begin(), c.end(), comp);
}
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
template <class _Tp, class _Container, class _Compare>
inline _LIBCPP_INLINE_VISIBILITY
void
priority_queue<_Tp, _Container, _Compare>::push(value_type&& __v)
{
c.push_back(_VSTD::move(__v));
_VSTD::push_heap(c.begin(), c.end(), comp);
}
#ifndef _LIBCPP_HAS_NO_VARIADICS
template <class _Tp, class _Container, class _Compare>
template <class... _Args>
inline _LIBCPP_INLINE_VISIBILITY
void
priority_queue<_Tp, _Container, _Compare>::emplace(_Args&&... __args)
{
c.emplace_back(_VSTD::forward<_Args>(__args)...);
_VSTD::push_heap(c.begin(), c.end(), comp);
}
#endif // _LIBCPP_HAS_NO_VARIADICS
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
template <class _Tp, class _Container, class _Compare>
inline _LIBCPP_INLINE_VISIBILITY
void
priority_queue<_Tp, _Container, _Compare>::pop()
{
_VSTD::pop_heap(c.begin(), c.end(), comp);
c.pop_back();
}
template <class _Tp, class _Container, class _Compare>
inline _LIBCPP_INLINE_VISIBILITY
void
priority_queue<_Tp, _Container, _Compare>::swap(priority_queue& __q)
_NOEXCEPT_(__is_nothrow_swappable<container_type>::value &&
__is_nothrow_swappable<value_compare>::value)
{
using _VSTD::swap;
swap(c, __q.c);
swap(comp, __q.comp);
}
template <class _Tp, class _Container, class _Compare>
inline _LIBCPP_INLINE_VISIBILITY
void
swap(priority_queue<_Tp, _Container, _Compare>& __x,
priority_queue<_Tp, _Container, _Compare>& __y)
_NOEXCEPT_(_NOEXCEPT_(__x.swap(__y)))
{
__x.swap(__y);
}
template <class _Tp, class _Container, class _Compare, class _Alloc>
struct _LIBCPP_TYPE_VIS_ONLY uses_allocator<priority_queue<_Tp, _Container, _Compare>, _Alloc>
: public uses_allocator<_Container, _Alloc>
{
};
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_QUEUE

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// -*- C++ -*-
//===---------------------------- ratio -----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_RATIO
#define _LIBCPP_RATIO
/*
ratio synopsis
namespace std
{
template <intmax_t N, intmax_t D = 1>
class ratio
{
public:
static const intmax_t num;
static const intmax_t den;
typedef ratio<num, den> type;
};
// ratio arithmetic
template <class R1, class R2> using ratio_add = ...;
template <class R1, class R2> using ratio_subtract = ...;
template <class R1, class R2> using ratio_multiply = ...;
template <class R1, class R2> using ratio_divide = ...;
// ratio comparison
template <class R1, class R2> struct ratio_equal;
template <class R1, class R2> struct ratio_not_equal;
template <class R1, class R2> struct ratio_less;
template <class R1, class R2> struct ratio_less_equal;
template <class R1, class R2> struct ratio_greater;
template <class R1, class R2> struct ratio_greater_equal;
// convenience SI typedefs
typedef ratio<1, 1000000000000000000000000> yocto; // not supported
typedef ratio<1, 1000000000000000000000> zepto; // not supported
typedef ratio<1, 1000000000000000000> atto;
typedef ratio<1, 1000000000000000> femto;
typedef ratio<1, 1000000000000> pico;
typedef ratio<1, 1000000000> nano;
typedef ratio<1, 1000000> micro;
typedef ratio<1, 1000> milli;
typedef ratio<1, 100> centi;
typedef ratio<1, 10> deci;
typedef ratio< 10, 1> deca;
typedef ratio< 100, 1> hecto;
typedef ratio< 1000, 1> kilo;
typedef ratio< 1000000, 1> mega;
typedef ratio< 1000000000, 1> giga;
typedef ratio< 1000000000000, 1> tera;
typedef ratio< 1000000000000000, 1> peta;
typedef ratio< 1000000000000000000, 1> exa;
typedef ratio< 1000000000000000000000, 1> zetta; // not supported
typedef ratio<1000000000000000000000000, 1> yotta; // not supported
}
*/
#include <__config>
#include <cstdint>
#include <climits>
#include <type_traits>
#include <__undef_min_max>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
// __static_gcd
template <intmax_t _Xp, intmax_t _Yp>
struct __static_gcd
{
static const intmax_t value = __static_gcd<_Yp, _Xp % _Yp>::value;
};
template <intmax_t _Xp>
struct __static_gcd<_Xp, 0>
{
static const intmax_t value = _Xp;
};
template <>
struct __static_gcd<0, 0>
{
static const intmax_t value = 1;
};
// __static_lcm
template <intmax_t _Xp, intmax_t _Yp>
struct __static_lcm
{
static const intmax_t value = _Xp / __static_gcd<_Xp, _Yp>::value * _Yp;
};
template <intmax_t _Xp>
struct __static_abs
{
static const intmax_t value = _Xp < 0 ? -_Xp : _Xp;
};
template <intmax_t _Xp>
struct __static_sign
{
static const intmax_t value = _Xp == 0 ? 0 : (_Xp < 0 ? -1 : 1);
};
template <intmax_t _Xp, intmax_t _Yp, intmax_t = __static_sign<_Yp>::value>
class __ll_add;
template <intmax_t _Xp, intmax_t _Yp>
class __ll_add<_Xp, _Yp, 1>
{
static const intmax_t min = (1LL << (sizeof(intmax_t) * CHAR_BIT - 1)) + 1;
static const intmax_t max = -min;
static_assert(_Xp <= max - _Yp, "overflow in __ll_add");
public:
static const intmax_t value = _Xp + _Yp;
};
template <intmax_t _Xp, intmax_t _Yp>
class __ll_add<_Xp, _Yp, 0>
{
public:
static const intmax_t value = _Xp;
};
template <intmax_t _Xp, intmax_t _Yp>
class __ll_add<_Xp, _Yp, -1>
{
static const intmax_t min = (1LL << (sizeof(intmax_t) * CHAR_BIT - 1)) + 1;
static const intmax_t max = -min;
static_assert(min - _Yp <= _Xp, "overflow in __ll_add");
public:
static const intmax_t value = _Xp + _Yp;
};
template <intmax_t _Xp, intmax_t _Yp, intmax_t = __static_sign<_Yp>::value>
class __ll_sub;
template <intmax_t _Xp, intmax_t _Yp>
class __ll_sub<_Xp, _Yp, 1>
{
static const intmax_t min = (1LL << (sizeof(intmax_t) * CHAR_BIT - 1)) + 1;
static const intmax_t max = -min;
static_assert(min + _Yp <= _Xp, "overflow in __ll_sub");
public:
static const intmax_t value = _Xp - _Yp;
};
template <intmax_t _Xp, intmax_t _Yp>
class __ll_sub<_Xp, _Yp, 0>
{
public:
static const intmax_t value = _Xp;
};
template <intmax_t _Xp, intmax_t _Yp>
class __ll_sub<_Xp, _Yp, -1>
{
static const intmax_t min = (1LL << (sizeof(intmax_t) * CHAR_BIT - 1)) + 1;
static const intmax_t max = -min;
static_assert(_Xp <= max + _Yp, "overflow in __ll_sub");
public:
static const intmax_t value = _Xp - _Yp;
};
template <intmax_t _Xp, intmax_t _Yp>
class __ll_mul
{
static const intmax_t nan = (1LL << (sizeof(intmax_t) * CHAR_BIT - 1));
static const intmax_t min = nan + 1;
static const intmax_t max = -min;
static const intmax_t __a_x = __static_abs<_Xp>::value;
static const intmax_t __a_y = __static_abs<_Yp>::value;
static_assert(_Xp != nan && _Yp != nan && __a_x <= max / __a_y, "overflow in __ll_mul");
public:
static const intmax_t value = _Xp * _Yp;
};
template <intmax_t _Yp>
class __ll_mul<0, _Yp>
{
public:
static const intmax_t value = 0;
};
template <intmax_t _Xp>
class __ll_mul<_Xp, 0>
{
public:
static const intmax_t value = 0;
};
template <>
class __ll_mul<0, 0>
{
public:
static const intmax_t value = 0;
};
// Not actually used but left here in case needed in future maintenance
template <intmax_t _Xp, intmax_t _Yp>
class __ll_div
{
static const intmax_t nan = (1LL << (sizeof(intmax_t) * CHAR_BIT - 1));
static const intmax_t min = nan + 1;
static const intmax_t max = -min;
static_assert(_Xp != nan && _Yp != nan && _Yp != 0, "overflow in __ll_div");
public:
static const intmax_t value = _Xp / _Yp;
};
template <intmax_t _Num, intmax_t _Den = 1>
class _LIBCPP_TYPE_VIS_ONLY ratio
{
static_assert(__static_abs<_Num>::value >= 0, "ratio numerator is out of range");
static_assert(_Den != 0, "ratio divide by 0");
static_assert(__static_abs<_Den>::value > 0, "ratio denominator is out of range");
static const intmax_t __na = __static_abs<_Num>::value;
static const intmax_t __da = __static_abs<_Den>::value;
static const intmax_t __s = __static_sign<_Num>::value * __static_sign<_Den>::value;
static const intmax_t __gcd = __static_gcd<__na, __da>::value;
public:
static const intmax_t num = __s * __na / __gcd;
static const intmax_t den = __da / __gcd;
typedef ratio<num, den> type;
};
template <intmax_t _Num, intmax_t _Den> const intmax_t ratio<_Num, _Den>::num;
template <intmax_t _Num, intmax_t _Den> const intmax_t ratio<_Num, _Den>::den;
template <class _Tp> struct __is_ratio : false_type {};
template <intmax_t _Num, intmax_t _Den> struct __is_ratio<ratio<_Num, _Den> > : true_type {};
typedef ratio<1LL, 1000000000000000000LL> atto;
typedef ratio<1LL, 1000000000000000LL> femto;
typedef ratio<1LL, 1000000000000LL> pico;
typedef ratio<1LL, 1000000000LL> nano;
typedef ratio<1LL, 1000000LL> micro;
typedef ratio<1LL, 1000LL> milli;
typedef ratio<1LL, 100LL> centi;
typedef ratio<1LL, 10LL> deci;
typedef ratio< 10LL, 1LL> deca;
typedef ratio< 100LL, 1LL> hecto;
typedef ratio< 1000LL, 1LL> kilo;
typedef ratio< 1000000LL, 1LL> mega;
typedef ratio< 1000000000LL, 1LL> giga;
typedef ratio< 1000000000000LL, 1LL> tera;
typedef ratio< 1000000000000000LL, 1LL> peta;
typedef ratio<1000000000000000000LL, 1LL> exa;
template <class _R1, class _R2>
struct __ratio_multiply
{
private:
static const intmax_t __gcd_n1_d2 = __static_gcd<_R1::num, _R2::den>::value;
static const intmax_t __gcd_d1_n2 = __static_gcd<_R1::den, _R2::num>::value;
public:
typedef typename ratio
<
__ll_mul<_R1::num / __gcd_n1_d2, _R2::num / __gcd_d1_n2>::value,
__ll_mul<_R2::den / __gcd_n1_d2, _R1::den / __gcd_d1_n2>::value
>::type type;
};
#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES
template <class _R1, class _R2> using ratio_multiply
= typename __ratio_multiply<_R1, _R2>::type;
#else // _LIBCPP_HAS_NO_TEMPLATE_ALIASES
template <class _R1, class _R2>
struct _LIBCPP_TYPE_VIS_ONLY ratio_multiply
: public __ratio_multiply<_R1, _R2>::type {};
#endif // _LIBCPP_HAS_NO_TEMPLATE_ALIASES
template <class _R1, class _R2>
struct __ratio_divide
{
private:
static const intmax_t __gcd_n1_n2 = __static_gcd<_R1::num, _R2::num>::value;
static const intmax_t __gcd_d1_d2 = __static_gcd<_R1::den, _R2::den>::value;
public:
typedef typename ratio
<
__ll_mul<_R1::num / __gcd_n1_n2, _R2::den / __gcd_d1_d2>::value,
__ll_mul<_R2::num / __gcd_n1_n2, _R1::den / __gcd_d1_d2>::value
>::type type;
};
#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES
template <class _R1, class _R2> using ratio_divide
= typename __ratio_divide<_R1, _R2>::type;
#else // _LIBCPP_HAS_NO_TEMPLATE_ALIASES
template <class _R1, class _R2>
struct _LIBCPP_TYPE_VIS_ONLY ratio_divide
: public __ratio_divide<_R1, _R2>::type {};
#endif // _LIBCPP_HAS_NO_TEMPLATE_ALIASES
template <class _R1, class _R2>
struct __ratio_add
{
private:
static const intmax_t __gcd_n1_n2 = __static_gcd<_R1::num, _R2::num>::value;
static const intmax_t __gcd_d1_d2 = __static_gcd<_R1::den, _R2::den>::value;
public:
typedef typename ratio_multiply
<
ratio<__gcd_n1_n2, _R1::den / __gcd_d1_d2>,
ratio
<
__ll_add
<
__ll_mul<_R1::num / __gcd_n1_n2, _R2::den / __gcd_d1_d2>::value,
__ll_mul<_R2::num / __gcd_n1_n2, _R1::den / __gcd_d1_d2>::value
>::value,
_R2::den
>
>::type type;
};
#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES
template <class _R1, class _R2> using ratio_add
= typename __ratio_add<_R1, _R2>::type;
#else // _LIBCPP_HAS_NO_TEMPLATE_ALIASES
template <class _R1, class _R2>
struct _LIBCPP_TYPE_VIS_ONLY ratio_add
: public __ratio_add<_R1, _R2>::type {};
#endif // _LIBCPP_HAS_NO_TEMPLATE_ALIASES
template <class _R1, class _R2>
struct __ratio_subtract
{
private:
static const intmax_t __gcd_n1_n2 = __static_gcd<_R1::num, _R2::num>::value;
static const intmax_t __gcd_d1_d2 = __static_gcd<_R1::den, _R2::den>::value;
public:
typedef typename ratio_multiply
<
ratio<__gcd_n1_n2, _R1::den / __gcd_d1_d2>,
ratio
<
__ll_sub
<
__ll_mul<_R1::num / __gcd_n1_n2, _R2::den / __gcd_d1_d2>::value,
__ll_mul<_R2::num / __gcd_n1_n2, _R1::den / __gcd_d1_d2>::value
>::value,
_R2::den
>
>::type type;
};
#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES
template <class _R1, class _R2> using ratio_subtract
= typename __ratio_subtract<_R1, _R2>::type;
#else // _LIBCPP_HAS_NO_TEMPLATE_ALIASES
template <class _R1, class _R2>
struct _LIBCPP_TYPE_VIS_ONLY ratio_subtract
: public __ratio_subtract<_R1, _R2>::type {};
#endif // _LIBCPP_HAS_NO_TEMPLATE_ALIASES
// ratio_equal
template <class _R1, class _R2>
struct _LIBCPP_TYPE_VIS_ONLY ratio_equal
: public integral_constant<bool, _R1::num == _R2::num && _R1::den == _R2::den> {};
template <class _R1, class _R2>
struct _LIBCPP_TYPE_VIS_ONLY ratio_not_equal
: public integral_constant<bool, !ratio_equal<_R1, _R2>::value> {};
// ratio_less
template <class _R1, class _R2, bool _Odd = false,
intmax_t _Q1 = _R1::num / _R1::den, intmax_t _M1 = _R1::num % _R1::den,
intmax_t _Q2 = _R2::num / _R2::den, intmax_t _M2 = _R2::num % _R2::den>
struct __ratio_less1
{
static const bool value = _Odd ? _Q2 < _Q1 : _Q1 < _Q2;
};
template <class _R1, class _R2, bool _Odd, intmax_t _Qp>
struct __ratio_less1<_R1, _R2, _Odd, _Qp, 0, _Qp, 0>
{
static const bool value = false;
};
template <class _R1, class _R2, bool _Odd, intmax_t _Qp, intmax_t _M2>
struct __ratio_less1<_R1, _R2, _Odd, _Qp, 0, _Qp, _M2>
{
static const bool value = !_Odd;
};
template <class _R1, class _R2, bool _Odd, intmax_t _Qp, intmax_t _M1>
struct __ratio_less1<_R1, _R2, _Odd, _Qp, _M1, _Qp, 0>
{
static const bool value = _Odd;
};
template <class _R1, class _R2, bool _Odd, intmax_t _Qp, intmax_t _M1,
intmax_t _M2>
struct __ratio_less1<_R1, _R2, _Odd, _Qp, _M1, _Qp, _M2>
{
static const bool value = __ratio_less1<ratio<_R1::den, _M1>,
ratio<_R2::den, _M2>, !_Odd>::value;
};
template <class _R1, class _R2, intmax_t _S1 = __static_sign<_R1::num>::value,
intmax_t _S2 = __static_sign<_R2::num>::value>
struct __ratio_less
{
static const bool value = _S1 < _S2;
};
template <class _R1, class _R2>
struct __ratio_less<_R1, _R2, 1LL, 1LL>
{
static const bool value = __ratio_less1<_R1, _R2>::value;
};
template <class _R1, class _R2>
struct __ratio_less<_R1, _R2, -1LL, -1LL>
{
static const bool value = __ratio_less1<ratio<-_R2::num, _R2::den>, ratio<-_R1::num, _R1::den> >::value;
};
template <class _R1, class _R2>
struct _LIBCPP_TYPE_VIS_ONLY ratio_less
: public integral_constant<bool, __ratio_less<_R1, _R2>::value> {};
template <class _R1, class _R2>
struct _LIBCPP_TYPE_VIS_ONLY ratio_less_equal
: public integral_constant<bool, !ratio_less<_R2, _R1>::value> {};
template <class _R1, class _R2>
struct _LIBCPP_TYPE_VIS_ONLY ratio_greater
: public integral_constant<bool, ratio_less<_R2, _R1>::value> {};
template <class _R1, class _R2>
struct _LIBCPP_TYPE_VIS_ONLY ratio_greater_equal
: public integral_constant<bool, !ratio_less<_R1, _R2>::value> {};
template <class _R1, class _R2>
struct __ratio_gcd
{
typedef ratio<__static_gcd<_R1::num, _R2::num>::value,
__static_lcm<_R1::den, _R2::den>::value> type;
};
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_RATIO

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// -*- C++ -*-
//===-------------------------- scoped_allocator --------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_SCOPED_ALLOCATOR
#define _LIBCPP_SCOPED_ALLOCATOR
/*
scoped_allocator synopsis
namespace std
{
template <class OuterAlloc, class... InnerAllocs>
class scoped_allocator_adaptor : public OuterAlloc
{
typedef allocator_traits<OuterAlloc> OuterTraits; // exposition only
scoped_allocator_adaptor<InnerAllocs...> inner; // exposition only
public:
typedef OuterAlloc outer_allocator_type;
typedef see below inner_allocator_type;
typedef typename OuterTraits::value_type value_type;
typedef typename OuterTraits::size_type size_type;
typedef typename OuterTraits::difference_type difference_type;
typedef typename OuterTraits::pointer pointer;
typedef typename OuterTraits::const_pointer const_pointer;
typedef typename OuterTraits::void_pointer void_pointer;
typedef typename OuterTraits::const_void_pointer const_void_pointer;
typedef see below propagate_on_container_copy_assignment;
typedef see below propagate_on_container_move_assignment;
typedef see below propagate_on_container_swap;
template <class Tp>
struct rebind
{
typedef scoped_allocator_adaptor<
OuterTraits::template rebind_alloc<Tp>, InnerAllocs...> other;
};
scoped_allocator_adaptor();
template <class OuterA2>
scoped_allocator_adaptor(OuterA2&& outerAlloc,
const InnerAllocs&... innerAllocs) noexcept;
scoped_allocator_adaptor(const scoped_allocator_adaptor& other) noexcept;
scoped_allocator_adaptor(scoped_allocator_adaptor&& other) noexcept;
template <class OuterA2>
scoped_allocator_adaptor(const scoped_allocator_adaptor<OuterA2, InnerAllocs...>& other) noexcept;
template <class OuterA2>
scoped_allocator_adaptor(const scoped_allocator_adaptor<OuterA2, InnerAllocs...>&& other) noexcept;
~scoped_allocator_adaptor();
inner_allocator_type& inner_allocator() noexcept;
const inner_allocator_type& inner_allocator() const noexcept;
outer_allocator_type& outer_allocator() noexcept;
const outer_allocator_type& outer_allocator() const noexcept;
pointer allocate(size_type n);
pointer allocate(size_type n, const_void_pointer hint);
void deallocate(pointer p, size_type n) noexcept;
size_type max_size() const;
template <class T, class... Args> void construct(T* p, Args&& args);
template <class T1, class T2, class... Args1, class... Args2>
void construct(pair<T1, T2>* p, piecewise_construct t, tuple<Args1...> x,
tuple<Args2...> y);
template <class T1, class T2>
void construct(pair<T1, T2>* p);
template <class T1, class T2, class U, class V>
void construct(pair<T1, T2>* p, U&& x, V&& y);
template <class T1, class T2, class U, class V>
void construct(pair<T1, T2>* p, const pair<U, V>& x);
template <class T1, class T2, class U, class V>
void construct(pair<T1, T2>* p, pair<U, V>&& x);
template <class T> void destroy(T* p);
template <class T> void destroy(T* p) noexcept;
scoped_allocator_adaptor select_on_container_copy_construction() const noexcept;
};
template <class OuterA1, class OuterA2, class... InnerAllocs>
bool
operator==(const scoped_allocator_adaptor<OuterA1, InnerAllocs...>& a,
const scoped_allocator_adaptor<OuterA2, InnerAllocs...>& b) noexcept;
template <class OuterA1, class OuterA2, class... InnerAllocs>
bool
operator!=(const scoped_allocator_adaptor<OuterA1, InnerAllocs...>& a,
const scoped_allocator_adaptor<OuterA2, InnerAllocs...>& b) noexcept;
} // std
*/
#include <__config>
#include <memory>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
#if !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) && !defined(_LIBCPP_HAS_NO_ADVANCED_SFINAE)
// scoped_allocator_adaptor
template <class ..._Allocs>
class scoped_allocator_adaptor;
template <class ..._Allocs> struct __get_poc_copy_assignment;
template <class _A0>
struct __get_poc_copy_assignment<_A0>
{
static const bool value = allocator_traits<_A0>::
propagate_on_container_copy_assignment::value;
};
template <class _A0, class ..._Allocs>
struct __get_poc_copy_assignment<_A0, _Allocs...>
{
static const bool value =
allocator_traits<_A0>::propagate_on_container_copy_assignment::value ||
__get_poc_copy_assignment<_Allocs...>::value;
};
template <class ..._Allocs> struct __get_poc_move_assignment;
template <class _A0>
struct __get_poc_move_assignment<_A0>
{
static const bool value = allocator_traits<_A0>::
propagate_on_container_move_assignment::value;
};
template <class _A0, class ..._Allocs>
struct __get_poc_move_assignment<_A0, _Allocs...>
{
static const bool value =
allocator_traits<_A0>::propagate_on_container_move_assignment::value ||
__get_poc_move_assignment<_Allocs...>::value;
};
template <class ..._Allocs> struct __get_poc_swap;
template <class _A0>
struct __get_poc_swap<_A0>
{
static const bool value = allocator_traits<_A0>::
propagate_on_container_swap::value;
};
template <class _A0, class ..._Allocs>
struct __get_poc_swap<_A0, _Allocs...>
{
static const bool value =
allocator_traits<_A0>::propagate_on_container_swap::value ||
__get_poc_swap<_Allocs...>::value;
};
template <class ..._Allocs>
class __scoped_allocator_storage;
template <class _OuterAlloc, class... _InnerAllocs>
class __scoped_allocator_storage<_OuterAlloc, _InnerAllocs...>
: public _OuterAlloc
{
typedef _OuterAlloc outer_allocator_type;
protected:
typedef scoped_allocator_adaptor<_InnerAllocs...> inner_allocator_type;
private:
inner_allocator_type __inner_;
protected:
_LIBCPP_INLINE_VISIBILITY
__scoped_allocator_storage() _NOEXCEPT {}
template <class _OuterA2,
class = typename enable_if<
is_constructible<outer_allocator_type, _OuterA2>::value
>::type>
_LIBCPP_INLINE_VISIBILITY
__scoped_allocator_storage(_OuterA2&& __outerAlloc,
const _InnerAllocs& ...__innerAllocs) _NOEXCEPT
: outer_allocator_type(_VSTD::forward<_OuterA2>(__outerAlloc)),
__inner_(__innerAllocs...) {}
template <class _OuterA2,
class = typename enable_if<
is_constructible<outer_allocator_type, const _OuterA2&>::value
>::type>
_LIBCPP_INLINE_VISIBILITY
__scoped_allocator_storage(
const __scoped_allocator_storage<_OuterA2, _InnerAllocs...>& __other) _NOEXCEPT
: outer_allocator_type(__other.outer_allocator()),
__inner_(__other.inner_allocator()) {}
template <class _OuterA2,
class = typename enable_if<
is_constructible<outer_allocator_type, _OuterA2>::value
>::type>
_LIBCPP_INLINE_VISIBILITY
__scoped_allocator_storage(
__scoped_allocator_storage<_OuterA2, _InnerAllocs...>&& __other) _NOEXCEPT
: outer_allocator_type(_VSTD::move(__other.outer_allocator())),
__inner_(_VSTD::move(__other.inner_allocator())) {}
template <class _OuterA2,
class = typename enable_if<
is_constructible<outer_allocator_type, _OuterA2>::value
>::type>
_LIBCPP_INLINE_VISIBILITY
__scoped_allocator_storage(_OuterA2&& __o,
const inner_allocator_type& __i) _NOEXCEPT
: outer_allocator_type(_VSTD::forward<_OuterA2>(__o)),
__inner_(__i)
{
}
_LIBCPP_INLINE_VISIBILITY
inner_allocator_type& inner_allocator() _NOEXCEPT {return __inner_;}
_LIBCPP_INLINE_VISIBILITY
const inner_allocator_type& inner_allocator() const _NOEXCEPT {return __inner_;}
_LIBCPP_INLINE_VISIBILITY
outer_allocator_type& outer_allocator() _NOEXCEPT
{return static_cast<outer_allocator_type&>(*this);}
_LIBCPP_INLINE_VISIBILITY
const outer_allocator_type& outer_allocator() const _NOEXCEPT
{return static_cast<const outer_allocator_type&>(*this);}
scoped_allocator_adaptor<outer_allocator_type, _InnerAllocs...>
_LIBCPP_INLINE_VISIBILITY
select_on_container_copy_construction() const _NOEXCEPT
{
return scoped_allocator_adaptor<outer_allocator_type, _InnerAllocs...>
(
allocator_traits<outer_allocator_type>::
select_on_container_copy_construction(outer_allocator()),
allocator_traits<inner_allocator_type>::
select_on_container_copy_construction(inner_allocator())
);
}
template <class...> friend class __scoped_allocator_storage;
};
template <class _OuterAlloc>
class __scoped_allocator_storage<_OuterAlloc>
: public _OuterAlloc
{
typedef _OuterAlloc outer_allocator_type;
protected:
typedef scoped_allocator_adaptor<_OuterAlloc> inner_allocator_type;
_LIBCPP_INLINE_VISIBILITY
__scoped_allocator_storage() _NOEXCEPT {}
template <class _OuterA2,
class = typename enable_if<
is_constructible<outer_allocator_type, _OuterA2>::value
>::type>
_LIBCPP_INLINE_VISIBILITY
__scoped_allocator_storage(_OuterA2&& __outerAlloc) _NOEXCEPT
: outer_allocator_type(_VSTD::forward<_OuterA2>(__outerAlloc)) {}
template <class _OuterA2,
class = typename enable_if<
is_constructible<outer_allocator_type, const _OuterA2&>::value
>::type>
_LIBCPP_INLINE_VISIBILITY
__scoped_allocator_storage(
const __scoped_allocator_storage<_OuterA2>& __other) _NOEXCEPT
: outer_allocator_type(__other.outer_allocator()) {}
template <class _OuterA2,
class = typename enable_if<
is_constructible<outer_allocator_type, _OuterA2>::value
>::type>
_LIBCPP_INLINE_VISIBILITY
__scoped_allocator_storage(
__scoped_allocator_storage<_OuterA2>&& __other) _NOEXCEPT
: outer_allocator_type(_VSTD::move(__other.outer_allocator())) {}
_LIBCPP_INLINE_VISIBILITY
inner_allocator_type& inner_allocator() _NOEXCEPT
{return static_cast<inner_allocator_type&>(*this);}
_LIBCPP_INLINE_VISIBILITY
const inner_allocator_type& inner_allocator() const _NOEXCEPT
{return static_cast<const inner_allocator_type&>(*this);}
_LIBCPP_INLINE_VISIBILITY
outer_allocator_type& outer_allocator() _NOEXCEPT
{return static_cast<outer_allocator_type&>(*this);}
_LIBCPP_INLINE_VISIBILITY
const outer_allocator_type& outer_allocator() const _NOEXCEPT
{return static_cast<const outer_allocator_type&>(*this);}
_LIBCPP_INLINE_VISIBILITY
scoped_allocator_adaptor<outer_allocator_type>
select_on_container_copy_construction() const _NOEXCEPT
{return scoped_allocator_adaptor<outer_allocator_type>(
allocator_traits<outer_allocator_type>::
select_on_container_copy_construction(outer_allocator())
);}
__scoped_allocator_storage(const outer_allocator_type& __o,
const inner_allocator_type& __i) _NOEXCEPT;
template <class...> friend class __scoped_allocator_storage;
};
// __outermost
template <class _Alloc>
decltype(declval<_Alloc>().outer_allocator(), true_type())
__has_outer_allocator_test(_Alloc&& __a);
template <class _Alloc>
false_type
__has_outer_allocator_test(const volatile _Alloc& __a);
template <class _Alloc>
struct __has_outer_allocator
: public common_type
<
decltype(__has_outer_allocator_test(declval<_Alloc&>()))
>::type
{
};
template <class _Alloc, bool = __has_outer_allocator<_Alloc>::value>
struct __outermost
{
typedef _Alloc type;
_LIBCPP_INLINE_VISIBILITY
type& operator()(type& __a) const _NOEXCEPT {return __a;}
};
template <class _Alloc>
struct __outermost<_Alloc, true>
{
typedef typename remove_reference
<
decltype(_VSTD::declval<_Alloc>().outer_allocator())
>::type _OuterAlloc;
typedef typename __outermost<_OuterAlloc>::type type;
_LIBCPP_INLINE_VISIBILITY
type& operator()(_Alloc& __a) const _NOEXCEPT
{return __outermost<_OuterAlloc>()(__a.outer_allocator());}
};
template <class _OuterAlloc, class... _InnerAllocs>
class _LIBCPP_TYPE_VIS_ONLY scoped_allocator_adaptor<_OuterAlloc, _InnerAllocs...>
: public __scoped_allocator_storage<_OuterAlloc, _InnerAllocs...>
{
typedef __scoped_allocator_storage<_OuterAlloc, _InnerAllocs...> base;
typedef allocator_traits<_OuterAlloc> _OuterTraits;
public:
typedef _OuterAlloc outer_allocator_type;
typedef typename base::inner_allocator_type inner_allocator_type;
typedef typename _OuterTraits::size_type size_type;
typedef typename _OuterTraits::difference_type difference_type;
typedef typename _OuterTraits::pointer pointer;
typedef typename _OuterTraits::const_pointer const_pointer;
typedef typename _OuterTraits::void_pointer void_pointer;
typedef typename _OuterTraits::const_void_pointer const_void_pointer;
typedef integral_constant
<
bool,
__get_poc_copy_assignment<outer_allocator_type,
_InnerAllocs...>::value
> propagate_on_container_copy_assignment;
typedef integral_constant
<
bool,
__get_poc_move_assignment<outer_allocator_type,
_InnerAllocs...>::value
> propagate_on_container_move_assignment;
typedef integral_constant
<
bool,
__get_poc_swap<outer_allocator_type, _InnerAllocs...>::value
> propagate_on_container_swap;
template <class _Tp>
struct rebind
{
typedef scoped_allocator_adaptor
<
typename _OuterTraits::template rebind_alloc<_Tp>, _InnerAllocs...
> other;
};
_LIBCPP_INLINE_VISIBILITY
scoped_allocator_adaptor() _NOEXCEPT {}
template <class _OuterA2,
class = typename enable_if<
is_constructible<outer_allocator_type, _OuterA2>::value
>::type>
_LIBCPP_INLINE_VISIBILITY
scoped_allocator_adaptor(_OuterA2&& __outerAlloc,
const _InnerAllocs& ...__innerAllocs) _NOEXCEPT
: base(_VSTD::forward<_OuterA2>(__outerAlloc), __innerAllocs...) {}
// scoped_allocator_adaptor(const scoped_allocator_adaptor& __other) = default;
template <class _OuterA2,
class = typename enable_if<
is_constructible<outer_allocator_type, const _OuterA2&>::value
>::type>
_LIBCPP_INLINE_VISIBILITY
scoped_allocator_adaptor(
const scoped_allocator_adaptor<_OuterA2, _InnerAllocs...>& __other) _NOEXCEPT
: base(__other) {}
template <class _OuterA2,
class = typename enable_if<
is_constructible<outer_allocator_type, _OuterA2>::value
>::type>
_LIBCPP_INLINE_VISIBILITY
scoped_allocator_adaptor(
scoped_allocator_adaptor<_OuterA2, _InnerAllocs...>&& __other) _NOEXCEPT
: base(_VSTD::move(__other)) {}
// ~scoped_allocator_adaptor() = default;
_LIBCPP_INLINE_VISIBILITY
inner_allocator_type& inner_allocator() _NOEXCEPT
{return base::inner_allocator();}
_LIBCPP_INLINE_VISIBILITY
const inner_allocator_type& inner_allocator() const _NOEXCEPT
{return base::inner_allocator();}
_LIBCPP_INLINE_VISIBILITY
outer_allocator_type& outer_allocator() _NOEXCEPT
{return base::outer_allocator();}
_LIBCPP_INLINE_VISIBILITY
const outer_allocator_type& outer_allocator() const _NOEXCEPT
{return base::outer_allocator();}
_LIBCPP_INLINE_VISIBILITY
pointer allocate(size_type __n)
{return allocator_traits<outer_allocator_type>::
allocate(outer_allocator(), __n);}
_LIBCPP_INLINE_VISIBILITY
pointer allocate(size_type __n, const_void_pointer __hint)
{return allocator_traits<outer_allocator_type>::
allocate(outer_allocator(), __n, __hint);}
_LIBCPP_INLINE_VISIBILITY
void deallocate(pointer __p, size_type __n) _NOEXCEPT
{allocator_traits<outer_allocator_type>::
deallocate(outer_allocator(), __p, __n);}
_LIBCPP_INLINE_VISIBILITY
size_type max_size() const
{return allocator_traits<outer_allocator_type>::max_size(outer_allocator());}
template <class _Tp, class... _Args>
_LIBCPP_INLINE_VISIBILITY
void construct(_Tp* __p, _Args&& ...__args)
{__construct(__uses_alloc_ctor<_Tp, inner_allocator_type, _Args...>(),
__p, _VSTD::forward<_Args>(__args)...);}
template <class _Tp>
_LIBCPP_INLINE_VISIBILITY
void destroy(_Tp* __p)
{
typedef __outermost<outer_allocator_type> _OM;
allocator_traits<typename _OM::type>::
destroy(_OM()(outer_allocator()), __p);
}
_LIBCPP_INLINE_VISIBILITY
scoped_allocator_adaptor select_on_container_copy_construction() const _NOEXCEPT
{return base::select_on_container_copy_construction();}
private:
template <class _OuterA2,
class = typename enable_if<
is_constructible<outer_allocator_type, _OuterA2>::value
>::type>
_LIBCPP_INLINE_VISIBILITY
scoped_allocator_adaptor(_OuterA2&& __o,
const inner_allocator_type& __i) _NOEXCEPT
: base(_VSTD::forward<_OuterA2>(__o), __i) {}
template <class _Tp, class... _Args>
_LIBCPP_INLINE_VISIBILITY
void __construct(integral_constant<int, 0>, _Tp* __p, _Args&& ...__args)
{
typedef __outermost<outer_allocator_type> _OM;
allocator_traits<typename _OM::type>::construct
(
_OM()(outer_allocator()),
__p,
_VSTD::forward<_Args>(__args)...
);
}
template <class _Tp, class... _Args>
_LIBCPP_INLINE_VISIBILITY
void __construct(integral_constant<int, 1>, _Tp* __p, _Args&& ...__args)
{
typedef __outermost<outer_allocator_type> _OM;
allocator_traits<typename _OM::type>::construct
(
_OM()(outer_allocator()),
__p,
allocator_arg,
inner_allocator(),
_VSTD::forward<_Args>(__args)...
);
}
template <class _Tp, class... _Args>
_LIBCPP_INLINE_VISIBILITY
void __construct(integral_constant<int, 2>, _Tp* __p, _Args&& ...__args)
{
typedef __outermost<outer_allocator_type> _OM;
allocator_traits<typename _OM::type>::construct
(
_OM()(outer_allocator()),
__p,
_VSTD::forward<_Args>(__args)...,
inner_allocator()
);
}
template <class...> friend class __scoped_allocator_storage;
};
template <class _OuterA1, class _OuterA2>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator==(const scoped_allocator_adaptor<_OuterA1>& __a,
const scoped_allocator_adaptor<_OuterA2>& __b) _NOEXCEPT
{
return __a.outer_allocator() == __b.outer_allocator();
}
template <class _OuterA1, class _OuterA2, class _InnerA0, class... _InnerAllocs>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator==(const scoped_allocator_adaptor<_OuterA1, _InnerA0, _InnerAllocs...>& __a,
const scoped_allocator_adaptor<_OuterA2, _InnerA0, _InnerAllocs...>& __b) _NOEXCEPT
{
return __a.outer_allocator() == __b.outer_allocator() &&
__a.inner_allocator() == __b.inner_allocator();
}
template <class _OuterA1, class _OuterA2, class... _InnerAllocs>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator!=(const scoped_allocator_adaptor<_OuterA1, _InnerAllocs...>& __a,
const scoped_allocator_adaptor<_OuterA2, _InnerAllocs...>& __b) _NOEXCEPT
{
return !(__a == __b);
}
#endif // !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) && !defined(_LIBCPP_HAS_NO_ADVANCED_SFINAE)
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_SCOPED_ALLOCATOR

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// -*- C++ -*-
//===------------------------ shared_mutex --------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_SHARED_MUTEX
#define _LIBCPP_SHARED_MUTEX
/*
shared_mutex synopsis
// C++1y
namespace std
{
class shared_mutex
{
public:
shared_mutex();
~shared_mutex();
shared_mutex(const shared_mutex&) = delete;
shared_mutex& operator=(const shared_mutex&) = delete;
// Exclusive ownership
void lock(); // blocking
bool try_lock();
template <class Rep, class Period>
bool try_lock_for(const chrono::duration<Rep, Period>& rel_time);
template <class Clock, class Duration>
bool try_lock_until(const chrono::time_point<Clock, Duration>& abs_time);
void unlock();
// Shared ownership
void lock_shared(); // blocking
bool try_lock_shared();
template <class Rep, class Period>
bool
try_lock_shared_for(const chrono::duration<Rep, Period>& rel_time);
template <class Clock, class Duration>
bool
try_lock_shared_until(const chrono::time_point<Clock, Duration>& abs_time);
void unlock_shared();
};
template <class Mutex>
class shared_lock
{
public:
typedef Mutex mutex_type;
// Shared locking
shared_lock() noexcept;
explicit shared_lock(mutex_type& m); // blocking
shared_lock(mutex_type& m, defer_lock_t) noexcept;
shared_lock(mutex_type& m, try_to_lock_t);
shared_lock(mutex_type& m, adopt_lock_t);
template <class Clock, class Duration>
shared_lock(mutex_type& m,
const chrono::time_point<Clock, Duration>& abs_time);
template <class Rep, class Period>
shared_lock(mutex_type& m,
const chrono::duration<Rep, Period>& rel_time);
~shared_lock();
shared_lock(shared_lock const&) = delete;
shared_lock& operator=(shared_lock const&) = delete;
shared_lock(shared_lock&& u) noexcept;
shared_lock& operator=(shared_lock&& u) noexcept;
void lock(); // blocking
bool try_lock();
template <class Rep, class Period>
bool try_lock_for(const chrono::duration<Rep, Period>& rel_time);
template <class Clock, class Duration>
bool try_lock_until(const chrono::time_point<Clock, Duration>& abs_time);
void unlock();
// Setters
void swap(shared_lock& u) noexcept;
mutex_type* release() noexcept;
// Getters
bool owns_lock() const noexcept;
explicit operator bool () const noexcept;
mutex_type* mutex() const noexcept;
};
template <class Mutex>
void swap(shared_lock<Mutex>& x, shared_lock<Mutex>& y) noexcept;
} // std
*/
#include <__config>
#if _LIBCPP_STD_VER > 11 || defined(_LIBCPP_BUILDING_SHARED_MUTEX)
#include <__mutex_base>
#include <__undef_min_max>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
class _LIBCPP_TYPE_VIS shared_mutex
{
mutex __mut_;
condition_variable __gate1_;
condition_variable __gate2_;
unsigned __state_;
static const unsigned __write_entered_ = 1U << (sizeof(unsigned)*__CHAR_BIT__ - 1);
static const unsigned __n_readers_ = ~__write_entered_;
public:
shared_mutex();
_LIBCPP_INLINE_VISIBILITY ~shared_mutex() = default;
shared_mutex(const shared_mutex&) = delete;
shared_mutex& operator=(const shared_mutex&) = delete;
// Exclusive ownership
void lock();
bool try_lock();
template <class _Rep, class _Period>
_LIBCPP_INLINE_VISIBILITY
bool
try_lock_for(const chrono::duration<_Rep, _Period>& __rel_time)
{
return try_lock_until(chrono::steady_clock::now() + __rel_time);
}
template <class _Clock, class _Duration>
bool
try_lock_until(const chrono::time_point<_Clock, _Duration>& __abs_time);
void unlock();
// Shared ownership
void lock_shared();
bool try_lock_shared();
template <class _Rep, class _Period>
_LIBCPP_INLINE_VISIBILITY
bool
try_lock_shared_for(const chrono::duration<_Rep, _Period>& __rel_time)
{
return try_lock_shared_until(chrono::steady_clock::now() + __rel_time);
}
template <class _Clock, class _Duration>
bool
try_lock_shared_until(const chrono::time_point<_Clock, _Duration>& __abs_time);
void unlock_shared();
};
template <class _Clock, class _Duration>
bool
shared_mutex::try_lock_until(
const chrono::time_point<_Clock, _Duration>& __abs_time)
{
unique_lock<mutex> __lk(__mut_);
if (__state_ & __write_entered_)
{
while (true)
{
cv_status __status = __gate1_.wait_until(__lk, __abs_time);
if ((__state_ & __write_entered_) == 0)
break;
if (__status == cv_status::timeout)
return false;
}
}
__state_ |= __write_entered_;
if (__state_ & __n_readers_)
{
while (true)
{
cv_status __status = __gate2_.wait_until(__lk, __abs_time);
if ((__state_ & __n_readers_) == 0)
break;
if (__status == cv_status::timeout)
{
__state_ &= ~__write_entered_;
return false;
}
}
}
return true;
}
template <class _Clock, class _Duration>
bool
shared_mutex::try_lock_shared_until(
const chrono::time_point<_Clock, _Duration>& __abs_time)
{
unique_lock<mutex> __lk(__mut_);
if ((__state_ & __write_entered_) || (__state_ & __n_readers_) == __n_readers_)
{
while (true)
{
cv_status status = __gate1_.wait_until(__lk, __abs_time);
if ((__state_ & __write_entered_) == 0 &&
(__state_ & __n_readers_) < __n_readers_)
break;
if (status == cv_status::timeout)
return false;
}
}
unsigned __num_readers = (__state_ & __n_readers_) + 1;
__state_ &= ~__n_readers_;
__state_ |= __num_readers;
return true;
}
template <class _Mutex>
class shared_lock
{
public:
typedef _Mutex mutex_type;
private:
mutex_type* __m_;
bool __owns_;
public:
_LIBCPP_INLINE_VISIBILITY
shared_lock() noexcept
: __m_(nullptr),
__owns_(false)
{}
_LIBCPP_INLINE_VISIBILITY
explicit shared_lock(mutex_type& __m)
: __m_(&__m),
__owns_(true)
{__m_->lock_shared();}
_LIBCPP_INLINE_VISIBILITY
shared_lock(mutex_type& __m, defer_lock_t) noexcept
: __m_(&__m),
__owns_(false)
{}
_LIBCPP_INLINE_VISIBILITY
shared_lock(mutex_type& __m, try_to_lock_t)
: __m_(&__m),
__owns_(__m.try_lock_shared())
{}
_LIBCPP_INLINE_VISIBILITY
shared_lock(mutex_type& __m, adopt_lock_t)
: __m_(&__m),
__owns_(true)
{}
template <class _Clock, class _Duration>
_LIBCPP_INLINE_VISIBILITY
shared_lock(mutex_type& __m,
const chrono::time_point<_Clock, _Duration>& __abs_time)
: __m_(&__m),
__owns_(__m.try_lock_shared_until(__abs_time))
{}
template <class _Rep, class _Period>
_LIBCPP_INLINE_VISIBILITY
shared_lock(mutex_type& __m,
const chrono::duration<_Rep, _Period>& __rel_time)
: __m_(&__m),
__owns_(__m.try_lock_shared_for(__rel_time))
{}
_LIBCPP_INLINE_VISIBILITY
~shared_lock()
{
if (__owns_)
__m_->unlock_shared();
}
shared_lock(shared_lock const&) = delete;
shared_lock& operator=(shared_lock const&) = delete;
_LIBCPP_INLINE_VISIBILITY
shared_lock(shared_lock&& __u) noexcept
: __m_(__u.__m_),
__owns_(__u.__owns_)
{
__u.__m_ = nullptr;
__u.__owns_ = false;
}
_LIBCPP_INLINE_VISIBILITY
shared_lock& operator=(shared_lock&& __u) noexcept
{
if (__owns_)
__m_->unlock_shared();
__m_ = nullptr;
__owns_ = false;
__m_ = __u.__m_;
__owns_ = __u.__owns_;
__u.__m_ = nullptr;
__u.__owns_ = false;
return *this;
}
void lock();
bool try_lock();
template <class Rep, class Period>
bool try_lock_for(const chrono::duration<Rep, Period>& rel_time);
template <class Clock, class Duration>
bool try_lock_until(const chrono::time_point<Clock, Duration>& abs_time);
void unlock();
// Setters
_LIBCPP_INLINE_VISIBILITY
void swap(shared_lock& __u) noexcept
{
_VSTD::swap(__m_, __u.__m_);
_VSTD::swap(__owns_, __u.__owns_);
}
_LIBCPP_INLINE_VISIBILITY
mutex_type* release() noexcept
{
mutex_type* __m = __m_;
__m_ = nullptr;
__owns_ = false;
return __m;
}
// Getters
_LIBCPP_INLINE_VISIBILITY
bool owns_lock() const noexcept {return __owns_;}
_LIBCPP_INLINE_VISIBILITY
explicit operator bool () const noexcept {return __owns_;}
_LIBCPP_INLINE_VISIBILITY
mutex_type* mutex() const noexcept {return __m_;}
};
template <class _Mutex>
void
shared_lock<_Mutex>::lock()
{
if (__m_ == nullptr)
__throw_system_error(EPERM, "shared_lock::lock: references null mutex");
if (__owns_)
__throw_system_error(EDEADLK, "shared_lock::lock: already locked");
__m_->lock_shared();
__owns_ = true;
}
template <class _Mutex>
bool
shared_lock<_Mutex>::try_lock()
{
if (__m_ == nullptr)
__throw_system_error(EPERM, "shared_lock::try_lock: references null mutex");
if (__owns_)
__throw_system_error(EDEADLK, "shared_lock::try_lock: already locked");
__owns_ = __m_->try_lock_shared();
return __owns_;
}
template <class _Mutex>
template <class _Rep, class _Period>
bool
shared_lock<_Mutex>::try_lock_for(const chrono::duration<_Rep, _Period>& __d)
{
if (__m_ == nullptr)
__throw_system_error(EPERM, "shared_lock::try_lock_for: references null mutex");
if (__owns_)
__throw_system_error(EDEADLK, "shared_lock::try_lock_for: already locked");
__owns_ = __m_->try_lock_shared_for(__d);
return __owns_;
}
template <class _Mutex>
template <class _Clock, class _Duration>
bool
shared_lock<_Mutex>::try_lock_until(const chrono::time_point<_Clock, _Duration>& __t)
{
if (__m_ == nullptr)
__throw_system_error(EPERM, "shared_lock::try_lock_until: references null mutex");
if (__owns_)
__throw_system_error(EDEADLK, "shared_lock::try_lock_until: already locked");
__owns_ = __m_->try_lock_shared_until(__t);
return __owns_;
}
template <class _Mutex>
void
shared_lock<_Mutex>::unlock()
{
if (!__owns_)
__throw_system_error(EPERM, "shared_lock::unlock: not locked");
__m_->unlock_shared();
__owns_ = false;
}
template <class _Mutex>
inline _LIBCPP_INLINE_VISIBILITY
void
swap(shared_lock<_Mutex>& __x, shared_lock<_Mutex>& __y) noexcept
{__x.swap(__y);}
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_STD_VER > 11
#endif // _LIBCPP_SHARED_MUTEX

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// -*- C++ -*-
//===--------------------------- sstream ----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_SSTREAM
#define _LIBCPP_SSTREAM
/*
sstream synopsis
template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
class basic_stringbuf
: public basic_streambuf<charT, traits>
{
public:
typedef charT char_type;
typedef traits traits_type;
typedef typename traits_type::int_type int_type;
typedef typename traits_type::pos_type pos_type;
typedef typename traits_type::off_type off_type;
typedef Allocator allocator_type;
// 27.8.1.1 Constructors:
explicit basic_stringbuf(ios_base::openmode which = ios_base::in | ios_base::out);
explicit basic_stringbuf(const basic_string<char_type, traits_type, allocator_type>& str,
ios_base::openmode which = ios_base::in | ios_base::out);
basic_stringbuf(basic_stringbuf&& rhs);
// 27.8.1.2 Assign and swap:
basic_stringbuf& operator=(basic_stringbuf&& rhs);
void swap(basic_stringbuf& rhs);
// 27.8.1.3 Get and set:
basic_string<char_type, traits_type, allocator_type> str() const;
void str(const basic_string<char_type, traits_type, allocator_type>& s);
protected:
// 27.8.1.4 Overridden virtual functions:
virtual int_type underflow();
virtual int_type pbackfail(int_type c = traits_type::eof());
virtual int_type overflow (int_type c = traits_type::eof());
virtual basic_streambuf<char_type, traits_type>* setbuf(char_type*, streamsize);
virtual pos_type seekoff(off_type off, ios_base::seekdir way,
ios_base::openmode which = ios_base::in | ios_base::out);
virtual pos_type seekpos(pos_type sp,
ios_base::openmode which = ios_base::in | ios_base::out);
};
template <class charT, class traits, class Allocator>
void swap(basic_stringbuf<charT, traits, Allocator>& x,
basic_stringbuf<charT, traits, Allocator>& y);
typedef basic_stringbuf<char> stringbuf;
typedef basic_stringbuf<wchar_t> wstringbuf;
template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
class basic_istringstream
: public basic_istream<charT, traits>
{
public:
typedef charT char_type;
typedef traits traits_type;
typedef typename traits_type::int_type int_type;
typedef typename traits_type::pos_type pos_type;
typedef typename traits_type::off_type off_type;
typedef Allocator allocator_type;
// 27.8.2.1 Constructors:
explicit basic_istringstream(ios_base::openmode which = ios_base::in);
explicit basic_istringstream(const basic_string<char_type, traits_type,allocator_type>& str,
ios_base::openmode which = ios_base::in);
basic_istringstream(basic_istringstream&& rhs);
// 27.8.2.2 Assign and swap:
basic_istringstream& operator=(basic_istringstream&& rhs);
void swap(basic_istringstream& rhs);
// 27.8.2.3 Members:
basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const;
basic_string<char_type, traits_type, allocator_type> str() const;
void str(const basic_string<char_type, traits_type, allocator_type>& s);
};
template <class charT, class traits, class Allocator>
void swap(basic_istringstream<charT, traits, Allocator>& x,
basic_istringstream<charT, traits, Allocator>& y);
typedef basic_istringstream<char> istringstream;
typedef basic_istringstream<wchar_t> wistringstream;
template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
class basic_ostringstream
: public basic_ostream<charT, traits>
{
public:
// types:
typedef charT char_type;
typedef traits traits_type;
typedef typename traits_type::int_type int_type;
typedef typename traits_type::pos_type pos_type;
typedef typename traits_type::off_type off_type;
typedef Allocator allocator_type;
// 27.8.3.1 Constructors/destructor:
explicit basic_ostringstream(ios_base::openmode which = ios_base::out);
explicit basic_ostringstream(const basic_string<char_type, traits_type, allocator_type>& str,
ios_base::openmode which = ios_base::out);
basic_ostringstream(basic_ostringstream&& rhs);
// 27.8.3.2 Assign/swap:
basic_ostringstream& operator=(basic_ostringstream&& rhs);
void swap(basic_ostringstream& rhs);
// 27.8.3.3 Members:
basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const;
basic_string<char_type, traits_type, allocator_type> str() const;
void str(const basic_string<char_type, traits_type, allocator_type>& s);
};
template <class charT, class traits, class Allocator>
void swap(basic_ostringstream<charT, traits, Allocator>& x,
basic_ostringstream<charT, traits, Allocator>& y);
typedef basic_ostringstream<char> ostringstream;
typedef basic_ostringstream<wchar_t> wostringstream;
template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
class basic_stringstream
: public basic_iostream<charT, traits>
{
public:
// types:
typedef charT char_type;
typedef traits traits_type;
typedef typename traits_type::int_type int_type;
typedef typename traits_type::pos_type pos_type;
typedef typename traits_type::off_type off_type;
typedef Allocator allocator_type;
// constructors/destructor
explicit basic_stringstream(ios_base::openmode which = ios_base::out|ios_base::in);
explicit basic_stringstream(const basic_string<char_type, traits_type, allocator_type>& str,
ios_base::openmode which = ios_base::out|ios_base::in);
basic_stringstream(basic_stringstream&& rhs);
// 27.8.5.1 Assign/swap:
basic_stringstream& operator=(basic_stringstream&& rhs);
void swap(basic_stringstream& rhs);
// Members:
basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const;
basic_string<char_type, traits_type, allocator_type> str() const;
void str(const basic_string<char_type, traits_type, allocator_type>& str);
};
template <class charT, class traits, class Allocator>
void swap(basic_stringstream<charT, traits, Allocator>& x,
basic_stringstream<charT, traits, Allocator>& y);
typedef basic_stringstream<char> stringstream;
typedef basic_stringstream<wchar_t> wstringstream;
} // std
*/
#include <__config>
#include <ostream>
#include <istream>
#include <string>
#include <__undef_min_max>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
// basic_stringbuf
template <class _CharT, class _Traits, class _Allocator>
class _LIBCPP_TYPE_VIS_ONLY basic_stringbuf
: public basic_streambuf<_CharT, _Traits>
{
public:
typedef _CharT char_type;
typedef _Traits traits_type;
typedef typename traits_type::int_type int_type;
typedef typename traits_type::pos_type pos_type;
typedef typename traits_type::off_type off_type;
typedef _Allocator allocator_type;
typedef basic_string<char_type, traits_type, allocator_type> string_type;
private:
string_type __str_;
mutable char_type* __hm_;
ios_base::openmode __mode_;
public:
// 27.8.1.1 Constructors:
explicit basic_stringbuf(ios_base::openmode __wch = ios_base::in | ios_base::out);
explicit basic_stringbuf(const string_type& __s,
ios_base::openmode __wch = ios_base::in | ios_base::out);
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
basic_stringbuf(basic_stringbuf&& __rhs);
#endif
// 27.8.1.2 Assign and swap:
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
basic_stringbuf& operator=(basic_stringbuf&& __rhs);
#endif
void swap(basic_stringbuf& __rhs);
// 27.8.1.3 Get and set:
string_type str() const;
void str(const string_type& __s);
protected:
// 27.8.1.4 Overridden virtual functions:
virtual int_type underflow();
virtual int_type pbackfail(int_type __c = traits_type::eof());
virtual int_type overflow (int_type __c = traits_type::eof());
virtual pos_type seekoff(off_type __off, ios_base::seekdir __way,
ios_base::openmode __wch = ios_base::in | ios_base::out);
virtual pos_type seekpos(pos_type __sp,
ios_base::openmode __wch = ios_base::in | ios_base::out);
};
template <class _CharT, class _Traits, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
basic_stringbuf<_CharT, _Traits, _Allocator>::basic_stringbuf(ios_base::openmode __wch)
: __hm_(0),
__mode_(__wch)
{
str(string_type());
}
template <class _CharT, class _Traits, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
basic_stringbuf<_CharT, _Traits, _Allocator>::basic_stringbuf(const string_type& __s,
ios_base::openmode __wch)
: __hm_(0),
__mode_(__wch)
{
str(__s);
}
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
template <class _CharT, class _Traits, class _Allocator>
basic_stringbuf<_CharT, _Traits, _Allocator>::basic_stringbuf(basic_stringbuf&& __rhs)
: __mode_(__rhs.__mode_)
{
char_type* __p = const_cast<char_type*>(__rhs.__str_.data());
ptrdiff_t __binp = -1;
ptrdiff_t __ninp = -1;
ptrdiff_t __einp = -1;
if (__rhs.eback() != nullptr)
{
__binp = __rhs.eback() - __p;
__ninp = __rhs.gptr() - __p;
__einp = __rhs.egptr() - __p;
}
ptrdiff_t __bout = -1;
ptrdiff_t __nout = -1;
ptrdiff_t __eout = -1;
if (__rhs.pbase() != nullptr)
{
__bout = __rhs.pbase() - __p;
__nout = __rhs.pptr() - __p;
__eout = __rhs.epptr() - __p;
}
ptrdiff_t __hm = __rhs.__hm_ == nullptr ? -1 : __rhs.__hm_ - __p;
__str_ = _VSTD::move(__rhs.__str_);
__p = const_cast<char_type*>(__str_.data());
if (__binp != -1)
this->setg(__p + __binp, __p + __ninp, __p + __einp);
if (__bout != -1)
{
this->setp(__p + __bout, __p + __eout);
this->pbump(__nout);
}
__hm_ = __hm == -1 ? nullptr : __p + __hm;
__p = const_cast<char_type*>(__rhs.__str_.data());
__rhs.setg(__p, __p, __p);
__rhs.setp(__p, __p);
__rhs.__hm_ = __p;
this->pubimbue(__rhs.getloc());
}
template <class _CharT, class _Traits, class _Allocator>
basic_stringbuf<_CharT, _Traits, _Allocator>&
basic_stringbuf<_CharT, _Traits, _Allocator>::operator=(basic_stringbuf&& __rhs)
{
char_type* __p = const_cast<char_type*>(__rhs.__str_.data());
ptrdiff_t __binp = -1;
ptrdiff_t __ninp = -1;
ptrdiff_t __einp = -1;
if (__rhs.eback() != nullptr)
{
__binp = __rhs.eback() - __p;
__ninp = __rhs.gptr() - __p;
__einp = __rhs.egptr() - __p;
}
ptrdiff_t __bout = -1;
ptrdiff_t __nout = -1;
ptrdiff_t __eout = -1;
if (__rhs.pbase() != nullptr)
{
__bout = __rhs.pbase() - __p;
__nout = __rhs.pptr() - __p;
__eout = __rhs.epptr() - __p;
}
ptrdiff_t __hm = __rhs.__hm_ == nullptr ? -1 : __rhs.__hm_ - __p;
__str_ = _VSTD::move(__rhs.__str_);
__p = const_cast<char_type*>(__str_.data());
if (__binp != -1)
this->setg(__p + __binp, __p + __ninp, __p + __einp);
if (__bout != -1)
{
this->setp(__p + __bout, __p + __eout);
this->pbump(__nout);
}
__hm_ = __hm == -1 ? nullptr : __p + __hm;
__mode_ = __rhs.__mode_;
__p = const_cast<char_type*>(__rhs.__str_.data());
__rhs.setg(__p, __p, __p);
__rhs.setp(__p, __p);
__rhs.__hm_ = __p;
this->pubimbue(__rhs.getloc());
return *this;
}
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
template <class _CharT, class _Traits, class _Allocator>
void
basic_stringbuf<_CharT, _Traits, _Allocator>::swap(basic_stringbuf& __rhs)
{
char_type* __p = const_cast<char_type*>(__rhs.__str_.data());
ptrdiff_t __rbinp = -1;
ptrdiff_t __rninp = -1;
ptrdiff_t __reinp = -1;
if (__rhs.eback() != nullptr)
{
__rbinp = __rhs.eback() - __p;
__rninp = __rhs.gptr() - __p;
__reinp = __rhs.egptr() - __p;
}
ptrdiff_t __rbout = -1;
ptrdiff_t __rnout = -1;
ptrdiff_t __reout = -1;
if (__rhs.pbase() != nullptr)
{
__rbout = __rhs.pbase() - __p;
__rnout = __rhs.pptr() - __p;
__reout = __rhs.epptr() - __p;
}
ptrdiff_t __rhm = __rhs.__hm_ == nullptr ? -1 : __rhs.__hm_ - __p;
__p = const_cast<char_type*>(__str_.data());
ptrdiff_t __lbinp = -1;
ptrdiff_t __lninp = -1;
ptrdiff_t __leinp = -1;
if (this->eback() != nullptr)
{
__lbinp = this->eback() - __p;
__lninp = this->gptr() - __p;
__leinp = this->egptr() - __p;
}
ptrdiff_t __lbout = -1;
ptrdiff_t __lnout = -1;
ptrdiff_t __leout = -1;
if (this->pbase() != nullptr)
{
__lbout = this->pbase() - __p;
__lnout = this->pptr() - __p;
__leout = this->epptr() - __p;
}
ptrdiff_t __lhm = __hm_ == nullptr ? -1 : __hm_ - __p;
_VSTD::swap(__mode_, __rhs.__mode_);
__str_.swap(__rhs.__str_);
__p = const_cast<char_type*>(__str_.data());
if (__rbinp != -1)
this->setg(__p + __rbinp, __p + __rninp, __p + __reinp);
else
this->setg(nullptr, nullptr, nullptr);
if (__rbout != -1)
{
this->setp(__p + __rbout, __p + __reout);
this->pbump(__rnout);
}
else
this->setp(nullptr, nullptr);
__hm_ = __rhm == -1 ? nullptr : __p + __rhm;
__p = const_cast<char_type*>(__rhs.__str_.data());
if (__lbinp != -1)
__rhs.setg(__p + __lbinp, __p + __lninp, __p + __leinp);
else
__rhs.setg(nullptr, nullptr, nullptr);
if (__lbout != -1)
{
__rhs.setp(__p + __lbout, __p + __leout);
__rhs.pbump(__lnout);
}
else
__rhs.setp(nullptr, nullptr);
__rhs.__hm_ = __lhm == -1 ? nullptr : __p + __lhm;
locale __tl = __rhs.getloc();
__rhs.pubimbue(this->getloc());
this->pubimbue(__tl);
}
template <class _CharT, class _Traits, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
void
swap(basic_stringbuf<_CharT, _Traits, _Allocator>& __x,
basic_stringbuf<_CharT, _Traits, _Allocator>& __y)
{
__x.swap(__y);
}
template <class _CharT, class _Traits, class _Allocator>
basic_string<_CharT, _Traits, _Allocator>
basic_stringbuf<_CharT, _Traits, _Allocator>::str() const
{
if (__mode_ & ios_base::out)
{
if (__hm_ < this->pptr())
__hm_ = this->pptr();
return string_type(this->pbase(), __hm_, __str_.get_allocator());
}
else if (__mode_ & ios_base::in)
return string_type(this->eback(), this->egptr(), __str_.get_allocator());
return string_type(__str_.get_allocator());
}
template <class _CharT, class _Traits, class _Allocator>
void
basic_stringbuf<_CharT, _Traits, _Allocator>::str(const string_type& __s)
{
__str_ = __s;
__hm_ = 0;
if (__mode_ & ios_base::in)
{
__hm_ = const_cast<char_type*>(__str_.data()) + __str_.size();
this->setg(const_cast<char_type*>(__str_.data()),
const_cast<char_type*>(__str_.data()),
__hm_);
}
if (__mode_ & ios_base::out)
{
typename string_type::size_type __sz = __str_.size();
__hm_ = const_cast<char_type*>(__str_.data()) + __sz;
__str_.resize(__str_.capacity());
this->setp(const_cast<char_type*>(__str_.data()),
const_cast<char_type*>(__str_.data()) + __str_.size());
if (__mode_ & (ios_base::app | ios_base::ate))
this->pbump(__sz);
}
}
template <class _CharT, class _Traits, class _Allocator>
typename basic_stringbuf<_CharT, _Traits, _Allocator>::int_type
basic_stringbuf<_CharT, _Traits, _Allocator>::underflow()
{
if (__hm_ < this->pptr())
__hm_ = this->pptr();
if (__mode_ & ios_base::in)
{
if (this->egptr() < __hm_)
this->setg(this->eback(), this->gptr(), __hm_);
if (this->gptr() < this->egptr())
return traits_type::to_int_type(*this->gptr());
}
return traits_type::eof();
}
template <class _CharT, class _Traits, class _Allocator>
typename basic_stringbuf<_CharT, _Traits, _Allocator>::int_type
basic_stringbuf<_CharT, _Traits, _Allocator>::pbackfail(int_type __c)
{
if (__hm_ < this->pptr())
__hm_ = this->pptr();
if (this->eback() < this->gptr())
{
if (traits_type::eq_int_type(__c, traits_type::eof()))
{
this->setg(this->eback(), this->gptr()-1, __hm_);
return traits_type::not_eof(__c);
}
if ((__mode_ & ios_base::out) ||
traits_type::eq(traits_type::to_char_type(__c), this->gptr()[-1]))
{
this->setg(this->eback(), this->gptr()-1, __hm_);
*this->gptr() = traits_type::to_char_type(__c);
return __c;
}
}
return traits_type::eof();
}
template <class _CharT, class _Traits, class _Allocator>
typename basic_stringbuf<_CharT, _Traits, _Allocator>::int_type
basic_stringbuf<_CharT, _Traits, _Allocator>::overflow(int_type __c)
{
if (!traits_type::eq_int_type(__c, traits_type::eof()))
{
ptrdiff_t __ninp = this->gptr() - this->eback();
if (this->pptr() == this->epptr())
{
if (!(__mode_ & ios_base::out))
return traits_type::eof();
#ifndef _LIBCPP_NO_EXCEPTIONS
try
{
#endif // _LIBCPP_NO_EXCEPTIONS
ptrdiff_t __nout = this->pptr() - this->pbase();
ptrdiff_t __hm = __hm_ - this->pbase();
__str_.push_back(char_type());
__str_.resize(__str_.capacity());
char_type* __p = const_cast<char_type*>(__str_.data());
this->setp(__p, __p + __str_.size());
this->pbump(__nout);
__hm_ = this->pbase() + __hm;
#ifndef _LIBCPP_NO_EXCEPTIONS
}
catch (...)
{
return traits_type::eof();
}
#endif // _LIBCPP_NO_EXCEPTIONS
}
__hm_ = _VSTD::max(this->pptr() + 1, __hm_);
if (__mode_ & ios_base::in)
{
char_type* __p = const_cast<char_type*>(__str_.data());
this->setg(__p, __p + __ninp, __hm_);
}
return this->sputc(__c);
}
return traits_type::not_eof(__c);
}
template <class _CharT, class _Traits, class _Allocator>
typename basic_stringbuf<_CharT, _Traits, _Allocator>::pos_type
basic_stringbuf<_CharT, _Traits, _Allocator>::seekoff(off_type __off,
ios_base::seekdir __way,
ios_base::openmode __wch)
{
if (__hm_ < this->pptr())
__hm_ = this->pptr();
if ((__wch & (ios_base::in | ios_base::out)) == 0)
return pos_type(-1);
if ((__wch & (ios_base::in | ios_base::out)) == (ios_base::in | ios_base::out)
&& __way == ios_base::cur)
return pos_type(-1);
off_type __noff;
switch (__way)
{
case ios_base::beg:
__noff = 0;
break;
case ios_base::cur:
if (__wch & ios_base::in)
__noff = this->gptr() - this->eback();
else
__noff = this->pptr() - this->pbase();
break;
case ios_base::end:
__noff = __hm_ - __str_.data();
break;
default:
return pos_type(-1);
}
__noff += __off;
if (__noff < 0 || __hm_ - __str_.data() < __noff)
return pos_type(-1);
if (__noff != 0)
{
if ((__wch & ios_base::in) && this->gptr() == 0)
return pos_type(-1);
if ((__wch & ios_base::out) && this->pptr() == 0)
return pos_type(-1);
}
if (__wch & ios_base::in)
this->setg(this->eback(), this->eback() + __noff, __hm_);
if (__wch & ios_base::out)
{
this->setp(this->pbase(), this->epptr());
this->pbump(__noff);
}
return pos_type(__noff);
}
template <class _CharT, class _Traits, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
typename basic_stringbuf<_CharT, _Traits, _Allocator>::pos_type
basic_stringbuf<_CharT, _Traits, _Allocator>::seekpos(pos_type __sp,
ios_base::openmode __wch)
{
return seekoff(__sp, ios_base::beg, __wch);
}
// basic_istringstream
template <class _CharT, class _Traits, class _Allocator>
class _LIBCPP_TYPE_VIS_ONLY basic_istringstream
: public basic_istream<_CharT, _Traits>
{
public:
typedef _CharT char_type;
typedef _Traits traits_type;
typedef typename traits_type::int_type int_type;
typedef typename traits_type::pos_type pos_type;
typedef typename traits_type::off_type off_type;
typedef _Allocator allocator_type;
typedef basic_string<char_type, traits_type, allocator_type> string_type;
private:
basic_stringbuf<char_type, traits_type, allocator_type> __sb_;
public:
// 27.8.2.1 Constructors:
explicit basic_istringstream(ios_base::openmode __wch = ios_base::in);
explicit basic_istringstream(const string_type& __s,
ios_base::openmode __wch = ios_base::in);
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
basic_istringstream(basic_istringstream&& __rhs);
// 27.8.2.2 Assign and swap:
basic_istringstream& operator=(basic_istringstream&& __rhs);
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
void swap(basic_istringstream& __rhs);
// 27.8.2.3 Members:
basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const;
string_type str() const;
void str(const string_type& __s);
};
template <class _CharT, class _Traits, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
basic_istringstream<_CharT, _Traits, _Allocator>::basic_istringstream(ios_base::openmode __wch)
: basic_istream<_CharT, _Traits>(&__sb_),
__sb_(__wch | ios_base::in)
{
}
template <class _CharT, class _Traits, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
basic_istringstream<_CharT, _Traits, _Allocator>::basic_istringstream(const string_type& __s,
ios_base::openmode __wch)
: basic_istream<_CharT, _Traits>(&__sb_),
__sb_(__s, __wch | ios_base::in)
{
}
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
template <class _CharT, class _Traits, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
basic_istringstream<_CharT, _Traits, _Allocator>::basic_istringstream(basic_istringstream&& __rhs)
: basic_istream<_CharT, _Traits>(_VSTD::move(__rhs)),
__sb_(_VSTD::move(__rhs.__sb_))
{
basic_istream<_CharT, _Traits>::set_rdbuf(&__sb_);
}
template <class _CharT, class _Traits, class _Allocator>
basic_istringstream<_CharT, _Traits, _Allocator>&
basic_istringstream<_CharT, _Traits, _Allocator>::operator=(basic_istringstream&& __rhs)
{
basic_istream<char_type, traits_type>::operator=(_VSTD::move(__rhs));
__sb_ = _VSTD::move(__rhs.__sb_);
return *this;
}
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
template <class _CharT, class _Traits, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
void
basic_istringstream<_CharT, _Traits, _Allocator>::swap(basic_istringstream& __rhs)
{
basic_istream<char_type, traits_type>::swap(__rhs);
__sb_.swap(__rhs.__sb_);
}
template <class _CharT, class _Traits, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
void
swap(basic_istringstream<_CharT, _Traits, _Allocator>& __x,
basic_istringstream<_CharT, _Traits, _Allocator>& __y)
{
__x.swap(__y);
}
template <class _CharT, class _Traits, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
basic_stringbuf<_CharT, _Traits, _Allocator>*
basic_istringstream<_CharT, _Traits, _Allocator>::rdbuf() const
{
return const_cast<basic_stringbuf<char_type, traits_type, allocator_type>*>(&__sb_);
}
template <class _CharT, class _Traits, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
basic_string<_CharT, _Traits, _Allocator>
basic_istringstream<_CharT, _Traits, _Allocator>::str() const
{
return __sb_.str();
}
template <class _CharT, class _Traits, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
void
basic_istringstream<_CharT, _Traits, _Allocator>::str(const string_type& __s)
{
__sb_.str(__s);
}
// basic_ostringstream
template <class _CharT, class _Traits, class _Allocator>
class _LIBCPP_TYPE_VIS_ONLY basic_ostringstream
: public basic_ostream<_CharT, _Traits>
{
public:
typedef _CharT char_type;
typedef _Traits traits_type;
typedef typename traits_type::int_type int_type;
typedef typename traits_type::pos_type pos_type;
typedef typename traits_type::off_type off_type;
typedef _Allocator allocator_type;
typedef basic_string<char_type, traits_type, allocator_type> string_type;
private:
basic_stringbuf<char_type, traits_type, allocator_type> __sb_;
public:
// 27.8.2.1 Constructors:
explicit basic_ostringstream(ios_base::openmode __wch = ios_base::out);
explicit basic_ostringstream(const string_type& __s,
ios_base::openmode __wch = ios_base::out);
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
basic_ostringstream(basic_ostringstream&& __rhs);
// 27.8.2.2 Assign and swap:
basic_ostringstream& operator=(basic_ostringstream&& __rhs);
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
void swap(basic_ostringstream& __rhs);
// 27.8.2.3 Members:
basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const;
string_type str() const;
void str(const string_type& __s);
};
template <class _CharT, class _Traits, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
basic_ostringstream<_CharT, _Traits, _Allocator>::basic_ostringstream(ios_base::openmode __wch)
: basic_ostream<_CharT, _Traits>(&__sb_),
__sb_(__wch | ios_base::out)
{
}
template <class _CharT, class _Traits, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
basic_ostringstream<_CharT, _Traits, _Allocator>::basic_ostringstream(const string_type& __s,
ios_base::openmode __wch)
: basic_ostream<_CharT, _Traits>(&__sb_),
__sb_(__s, __wch | ios_base::out)
{
}
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
template <class _CharT, class _Traits, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
basic_ostringstream<_CharT, _Traits, _Allocator>::basic_ostringstream(basic_ostringstream&& __rhs)
: basic_ostream<_CharT, _Traits>(_VSTD::move(__rhs)),
__sb_(_VSTD::move(__rhs.__sb_))
{
basic_ostream<_CharT, _Traits>::set_rdbuf(&__sb_);
}
template <class _CharT, class _Traits, class _Allocator>
basic_ostringstream<_CharT, _Traits, _Allocator>&
basic_ostringstream<_CharT, _Traits, _Allocator>::operator=(basic_ostringstream&& __rhs)
{
basic_ostream<char_type, traits_type>::operator=(_VSTD::move(__rhs));
__sb_ = _VSTD::move(__rhs.__sb_);
return *this;
}
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
template <class _CharT, class _Traits, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
void
basic_ostringstream<_CharT, _Traits, _Allocator>::swap(basic_ostringstream& __rhs)
{
basic_ostream<char_type, traits_type>::swap(__rhs);
__sb_.swap(__rhs.__sb_);
}
template <class _CharT, class _Traits, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
void
swap(basic_ostringstream<_CharT, _Traits, _Allocator>& __x,
basic_ostringstream<_CharT, _Traits, _Allocator>& __y)
{
__x.swap(__y);
}
template <class _CharT, class _Traits, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
basic_stringbuf<_CharT, _Traits, _Allocator>*
basic_ostringstream<_CharT, _Traits, _Allocator>::rdbuf() const
{
return const_cast<basic_stringbuf<char_type, traits_type, allocator_type>*>(&__sb_);
}
template <class _CharT, class _Traits, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
basic_string<_CharT, _Traits, _Allocator>
basic_ostringstream<_CharT, _Traits, _Allocator>::str() const
{
return __sb_.str();
}
template <class _CharT, class _Traits, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
void
basic_ostringstream<_CharT, _Traits, _Allocator>::str(const string_type& __s)
{
__sb_.str(__s);
}
// basic_stringstream
template <class _CharT, class _Traits, class _Allocator>
class _LIBCPP_TYPE_VIS_ONLY basic_stringstream
: public basic_iostream<_CharT, _Traits>
{
public:
typedef _CharT char_type;
typedef _Traits traits_type;
typedef typename traits_type::int_type int_type;
typedef typename traits_type::pos_type pos_type;
typedef typename traits_type::off_type off_type;
typedef _Allocator allocator_type;
typedef basic_string<char_type, traits_type, allocator_type> string_type;
private:
basic_stringbuf<char_type, traits_type, allocator_type> __sb_;
public:
// 27.8.2.1 Constructors:
explicit basic_stringstream(ios_base::openmode __wch = ios_base::in | ios_base::out);
explicit basic_stringstream(const string_type& __s,
ios_base::openmode __wch = ios_base::in | ios_base::out);
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
basic_stringstream(basic_stringstream&& __rhs);
// 27.8.2.2 Assign and swap:
basic_stringstream& operator=(basic_stringstream&& __rhs);
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
void swap(basic_stringstream& __rhs);
// 27.8.2.3 Members:
basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const;
string_type str() const;
void str(const string_type& __s);
};
template <class _CharT, class _Traits, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
basic_stringstream<_CharT, _Traits, _Allocator>::basic_stringstream(ios_base::openmode __wch)
: basic_iostream<_CharT, _Traits>(&__sb_),
__sb_(__wch)
{
}
template <class _CharT, class _Traits, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
basic_stringstream<_CharT, _Traits, _Allocator>::basic_stringstream(const string_type& __s,
ios_base::openmode __wch)
: basic_iostream<_CharT, _Traits>(&__sb_),
__sb_(__s, __wch)
{
}
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
template <class _CharT, class _Traits, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
basic_stringstream<_CharT, _Traits, _Allocator>::basic_stringstream(basic_stringstream&& __rhs)
: basic_iostream<_CharT, _Traits>(_VSTD::move(__rhs)),
__sb_(_VSTD::move(__rhs.__sb_))
{
basic_istream<_CharT, _Traits>::set_rdbuf(&__sb_);
}
template <class _CharT, class _Traits, class _Allocator>
basic_stringstream<_CharT, _Traits, _Allocator>&
basic_stringstream<_CharT, _Traits, _Allocator>::operator=(basic_stringstream&& __rhs)
{
basic_iostream<char_type, traits_type>::operator=(_VSTD::move(__rhs));
__sb_ = _VSTD::move(__rhs.__sb_);
return *this;
}
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
template <class _CharT, class _Traits, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
void
basic_stringstream<_CharT, _Traits, _Allocator>::swap(basic_stringstream& __rhs)
{
basic_iostream<char_type, traits_type>::swap(__rhs);
__sb_.swap(__rhs.__sb_);
}
template <class _CharT, class _Traits, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
void
swap(basic_stringstream<_CharT, _Traits, _Allocator>& __x,
basic_stringstream<_CharT, _Traits, _Allocator>& __y)
{
__x.swap(__y);
}
template <class _CharT, class _Traits, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
basic_stringbuf<_CharT, _Traits, _Allocator>*
basic_stringstream<_CharT, _Traits, _Allocator>::rdbuf() const
{
return const_cast<basic_stringbuf<char_type, traits_type, allocator_type>*>(&__sb_);
}
template <class _CharT, class _Traits, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
basic_string<_CharT, _Traits, _Allocator>
basic_stringstream<_CharT, _Traits, _Allocator>::str() const
{
return __sb_.str();
}
template <class _CharT, class _Traits, class _Allocator>
inline _LIBCPP_INLINE_VISIBILITY
void
basic_stringstream<_CharT, _Traits, _Allocator>::str(const string_type& __s)
{
__sb_.str(__s);
}
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_SSTREAM

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// -*- C++ -*-
//===---------------------------- stack -----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_STACK
#define _LIBCPP_STACK
/*
stack synopsis
namespace std
{
template <class T, class Container = deque<T>>
class stack
{
public:
typedef Container container_type;
typedef typename container_type::value_type value_type;
typedef typename container_type::reference reference;
typedef typename container_type::const_reference const_reference;
typedef typename container_type::size_type size_type;
protected:
container_type c;
public:
stack() = default;
~stack() = default;
stack(const stack& q) = default;
stack(stack&& q) = default;
stack& operator=(const stack& q) = default;
stack& operator=(stack&& q) = default;
explicit stack(const container_type& c);
explicit stack(container_type&& c);
template <class Alloc> explicit stack(const Alloc& a);
template <class Alloc> stack(const container_type& c, const Alloc& a);
template <class Alloc> stack(container_type&& c, const Alloc& a);
template <class Alloc> stack(const stack& c, const Alloc& a);
template <class Alloc> stack(stack&& c, const Alloc& a);
bool empty() const;
size_type size() const;
reference top();
const_reference top() const;
void push(const value_type& x);
void push(value_type&& x);
template <class... Args> void emplace(Args&&... args);
void pop();
void swap(stack& c) noexcept(noexcept(swap(c, q.c)));
};
template <class T, class Container>
bool operator==(const stack<T, Container>& x, const stack<T, Container>& y);
template <class T, class Container>
bool operator< (const stack<T, Container>& x, const stack<T, Container>& y);
template <class T, class Container>
bool operator!=(const stack<T, Container>& x, const stack<T, Container>& y);
template <class T, class Container>
bool operator> (const stack<T, Container>& x, const stack<T, Container>& y);
template <class T, class Container>
bool operator>=(const stack<T, Container>& x, const stack<T, Container>& y);
template <class T, class Container>
bool operator<=(const stack<T, Container>& x, const stack<T, Container>& y);
template <class T, class Container>
void swap(stack<T, Container>& x, stack<T, Container>& y)
noexcept(noexcept(x.swap(y)));
} // std
*/
#include <__config>
#include <deque>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
template <class _Tp, class _Container> class _LIBCPP_TYPE_VIS_ONLY stack;
template <class _Tp, class _Container>
_LIBCPP_INLINE_VISIBILITY
bool
operator==(const stack<_Tp, _Container>& __x, const stack<_Tp, _Container>& __y);
template <class _Tp, class _Container>
_LIBCPP_INLINE_VISIBILITY
bool
operator< (const stack<_Tp, _Container>& __x, const stack<_Tp, _Container>& __y);
template <class _Tp, class _Container = deque<_Tp> >
class _LIBCPP_TYPE_VIS_ONLY stack
{
public:
typedef _Container container_type;
typedef typename container_type::value_type value_type;
typedef typename container_type::reference reference;
typedef typename container_type::const_reference const_reference;
typedef typename container_type::size_type size_type;
protected:
container_type c;
public:
_LIBCPP_INLINE_VISIBILITY
stack()
_NOEXCEPT_(is_nothrow_default_constructible<container_type>::value)
: c() {}
_LIBCPP_INLINE_VISIBILITY
stack(const stack& __q) : c(__q.c) {}
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
_LIBCPP_INLINE_VISIBILITY
stack(stack&& __q)
_NOEXCEPT_(is_nothrow_move_constructible<container_type>::value)
: c(_VSTD::move(__q.c)) {}
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
_LIBCPP_INLINE_VISIBILITY
stack& operator=(const stack& __q) {c = __q.c; return *this;}
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
_LIBCPP_INLINE_VISIBILITY
stack& operator=(stack&& __q)
_NOEXCEPT_(is_nothrow_move_assignable<container_type>::value)
{c = _VSTD::move(__q.c); return *this;}
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
_LIBCPP_INLINE_VISIBILITY
explicit stack(const container_type& __c) : c(__c) {}
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
_LIBCPP_INLINE_VISIBILITY
explicit stack(container_type&& __c) : c(_VSTD::move(__c)) {}
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
template <class _Alloc>
_LIBCPP_INLINE_VISIBILITY
explicit stack(const _Alloc& __a,
typename enable_if<uses_allocator<container_type,
_Alloc>::value>::type* = 0)
: c(__a) {}
template <class _Alloc>
_LIBCPP_INLINE_VISIBILITY
stack(const container_type& __c, const _Alloc& __a,
typename enable_if<uses_allocator<container_type,
_Alloc>::value>::type* = 0)
: c(__c, __a) {}
template <class _Alloc>
_LIBCPP_INLINE_VISIBILITY
stack(const stack& __s, const _Alloc& __a,
typename enable_if<uses_allocator<container_type,
_Alloc>::value>::type* = 0)
: c(__s.c, __a) {}
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
template <class _Alloc>
_LIBCPP_INLINE_VISIBILITY
stack(container_type&& __c, const _Alloc& __a,
typename enable_if<uses_allocator<container_type,
_Alloc>::value>::type* = 0)
: c(_VSTD::move(__c), __a) {}
template <class _Alloc>
_LIBCPP_INLINE_VISIBILITY
stack(stack&& __s, const _Alloc& __a,
typename enable_if<uses_allocator<container_type,
_Alloc>::value>::type* = 0)
: c(_VSTD::move(__s.c), __a) {}
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
_LIBCPP_INLINE_VISIBILITY
bool empty() const {return c.empty();}
_LIBCPP_INLINE_VISIBILITY
size_type size() const {return c.size();}
_LIBCPP_INLINE_VISIBILITY
reference top() {return c.back();}
_LIBCPP_INLINE_VISIBILITY
const_reference top() const {return c.back();}
_LIBCPP_INLINE_VISIBILITY
void push(const value_type& __v) {c.push_back(__v);}
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
_LIBCPP_INLINE_VISIBILITY
void push(value_type&& __v) {c.push_back(_VSTD::move(__v));}
#ifndef _LIBCPP_HAS_NO_VARIADICS
template <class... _Args>
_LIBCPP_INLINE_VISIBILITY
void emplace(_Args&&... __args)
{c.emplace_back(_VSTD::forward<_Args>(__args)...);}
#endif // _LIBCPP_HAS_NO_VARIADICS
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
_LIBCPP_INLINE_VISIBILITY
void pop() {c.pop_back();}
_LIBCPP_INLINE_VISIBILITY
void swap(stack& __s)
_NOEXCEPT_(__is_nothrow_swappable<container_type>::value)
{
using _VSTD::swap;
swap(c, __s.c);
}
template <class T1, class _C1>
friend
bool
operator==(const stack<T1, _C1>& __x, const stack<T1, _C1>& __y);
template <class T1, class _C1>
friend
bool
operator< (const stack<T1, _C1>& __x, const stack<T1, _C1>& __y);
};
template <class _Tp, class _Container>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator==(const stack<_Tp, _Container>& __x, const stack<_Tp, _Container>& __y)
{
return __x.c == __y.c;
}
template <class _Tp, class _Container>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator< (const stack<_Tp, _Container>& __x, const stack<_Tp, _Container>& __y)
{
return __x.c < __y.c;
}
template <class _Tp, class _Container>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator!=(const stack<_Tp, _Container>& __x, const stack<_Tp, _Container>& __y)
{
return !(__x == __y);
}
template <class _Tp, class _Container>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator> (const stack<_Tp, _Container>& __x, const stack<_Tp, _Container>& __y)
{
return __y < __x;
}
template <class _Tp, class _Container>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator>=(const stack<_Tp, _Container>& __x, const stack<_Tp, _Container>& __y)
{
return !(__x < __y);
}
template <class _Tp, class _Container>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator<=(const stack<_Tp, _Container>& __x, const stack<_Tp, _Container>& __y)
{
return !(__y < __x);
}
template <class _Tp, class _Container>
inline _LIBCPP_INLINE_VISIBILITY
void
swap(stack<_Tp, _Container>& __x, stack<_Tp, _Container>& __y)
_NOEXCEPT_(_NOEXCEPT_(__x.swap(__y)))
{
__x.swap(__y);
}
template <class _Tp, class _Container, class _Alloc>
struct _LIBCPP_TYPE_VIS_ONLY uses_allocator<stack<_Tp, _Container>, _Alloc>
: public uses_allocator<_Container, _Alloc>
{
};
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_STACK

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// -*- C++ -*-
//===--------------------------- stdexcept --------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_STDEXCEPT
#define _LIBCPP_STDEXCEPT
/*
stdexcept synopsis
namespace std
{
class logic_error;
class domain_error;
class invalid_argument;
class length_error;
class out_of_range;
class runtime_error;
class range_error;
class overflow_error;
class underflow_error;
for each class xxx_error:
class xxx_error : public exception // at least indirectly
{
public:
explicit xxx_error(const string& what_arg);
explicit xxx_error(const char* what_arg);
virtual const char* what() const noexcept // returns what_arg
};
} // std
*/
#include <__config>
#include <exception>
#include <iosfwd> // for string forward decl
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
namespace std // purposefully not using versioning namespace
{
class _LIBCPP_EXCEPTION_ABI logic_error
: public exception
{
private:
void* __imp_;
public:
explicit logic_error(const string&);
explicit logic_error(const char*);
logic_error(const logic_error&) _NOEXCEPT;
logic_error& operator=(const logic_error&) _NOEXCEPT;
virtual ~logic_error() _NOEXCEPT;
virtual const char* what() const _NOEXCEPT;
};
class _LIBCPP_EXCEPTION_ABI runtime_error
: public exception
{
private:
void* __imp_;
public:
explicit runtime_error(const string&);
explicit runtime_error(const char*);
runtime_error(const runtime_error&) _NOEXCEPT;
runtime_error& operator=(const runtime_error&) _NOEXCEPT;
virtual ~runtime_error() _NOEXCEPT;
virtual const char* what() const _NOEXCEPT;
};
class _LIBCPP_EXCEPTION_ABI domain_error
: public logic_error
{
public:
_LIBCPP_INLINE_VISIBILITY explicit domain_error(const string& __s) : logic_error(__s) {}
_LIBCPP_INLINE_VISIBILITY explicit domain_error(const char* __s) : logic_error(__s) {}
virtual ~domain_error() _NOEXCEPT;
};
class _LIBCPP_EXCEPTION_ABI invalid_argument
: public logic_error
{
public:
_LIBCPP_INLINE_VISIBILITY explicit invalid_argument(const string& __s) : logic_error(__s) {}
_LIBCPP_INLINE_VISIBILITY explicit invalid_argument(const char* __s) : logic_error(__s) {}
virtual ~invalid_argument() _NOEXCEPT;
};
class _LIBCPP_EXCEPTION_ABI length_error
: public logic_error
{
public:
_LIBCPP_INLINE_VISIBILITY explicit length_error(const string& __s) : logic_error(__s) {}
_LIBCPP_INLINE_VISIBILITY explicit length_error(const char* __s) : logic_error(__s) {}
virtual ~length_error() _NOEXCEPT;
};
class _LIBCPP_EXCEPTION_ABI out_of_range
: public logic_error
{
public:
_LIBCPP_INLINE_VISIBILITY explicit out_of_range(const string& __s) : logic_error(__s) {}
_LIBCPP_INLINE_VISIBILITY explicit out_of_range(const char* __s) : logic_error(__s) {}
virtual ~out_of_range() _NOEXCEPT;
};
class _LIBCPP_EXCEPTION_ABI range_error
: public runtime_error
{
public:
_LIBCPP_INLINE_VISIBILITY explicit range_error(const string& __s) : runtime_error(__s) {}
_LIBCPP_INLINE_VISIBILITY explicit range_error(const char* __s) : runtime_error(__s) {}
virtual ~range_error() _NOEXCEPT;
};
class _LIBCPP_EXCEPTION_ABI overflow_error
: public runtime_error
{
public:
_LIBCPP_INLINE_VISIBILITY explicit overflow_error(const string& __s) : runtime_error(__s) {}
_LIBCPP_INLINE_VISIBILITY explicit overflow_error(const char* __s) : runtime_error(__s) {}
virtual ~overflow_error() _NOEXCEPT;
};
class _LIBCPP_EXCEPTION_ABI underflow_error
: public runtime_error
{
public:
_LIBCPP_INLINE_VISIBILITY explicit underflow_error(const string& __s) : runtime_error(__s) {}
_LIBCPP_INLINE_VISIBILITY explicit underflow_error(const char* __s) : runtime_error(__s) {}
virtual ~underflow_error() _NOEXCEPT;
};
} // std
#endif // _LIBCPP_STDEXCEPT

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// -*- C++ -*-
//===------------------------- streambuf ----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_STEAMBUF
#define _LIBCPP_STEAMBUF
/*
streambuf synopsis
namespace std
{
template <class charT, class traits = char_traits<charT> >
class basic_streambuf
{
public:
// types:
typedef charT char_type;
typedef traits traits_type;
typedef typename traits_type::int_type int_type;
typedef typename traits_type::pos_type pos_type;
typedef typename traits_type::off_type off_type;
virtual ~basic_streambuf();
// 27.6.2.2.1 locales:
locale pubimbue(const locale& loc);
locale getloc() const;
// 27.6.2.2.2 buffer and positioning:
basic_streambuf* pubsetbuf(char_type* s, streamsize n);
pos_type pubseekoff(off_type off, ios_base::seekdir way,
ios_base::openmode which = ios_base::in | ios_base::out);
pos_type pubseekpos(pos_type sp,
ios_base::openmode which = ios_base::in | ios_base::out);
int pubsync();
// Get and put areas:
// 27.6.2.2.3 Get area:
streamsize in_avail();
int_type snextc();
int_type sbumpc();
int_type sgetc();
streamsize sgetn(char_type* s, streamsize n);
// 27.6.2.2.4 Putback:
int_type sputbackc(char_type c);
int_type sungetc();
// 27.6.2.2.5 Put area:
int_type sputc(char_type c);
streamsize sputn(const char_type* s, streamsize n);
protected:
basic_streambuf();
basic_streambuf(const basic_streambuf& rhs);
basic_streambuf& operator=(const basic_streambuf& rhs);
void swap(basic_streambuf& rhs);
// 27.6.2.3.2 Get area:
char_type* eback() const;
char_type* gptr() const;
char_type* egptr() const;
void gbump(int n);
void setg(char_type* gbeg, char_type* gnext, char_type* gend);
// 27.6.2.3.3 Put area:
char_type* pbase() const;
char_type* pptr() const;
char_type* epptr() const;
void pbump(int n);
void setp(char_type* pbeg, char_type* pend);
// 27.6.2.4 virtual functions:
// 27.6.2.4.1 Locales:
virtual void imbue(const locale& loc);
// 27.6.2.4.2 Buffer management and positioning:
virtual basic_streambuf* setbuf(char_type* s, streamsize n);
virtual pos_type seekoff(off_type off, ios_base::seekdir way,
ios_base::openmode which = ios_base::in | ios_base::out);
virtual pos_type seekpos(pos_type sp,
ios_base::openmode which = ios_base::in | ios_base::out);
virtual int sync();
// 27.6.2.4.3 Get area:
virtual streamsize showmanyc();
virtual streamsize xsgetn(char_type* s, streamsize n);
virtual int_type underflow();
virtual int_type uflow();
// 27.6.2.4.4 Putback:
virtual int_type pbackfail(int_type c = traits_type::eof());
// 27.6.2.4.5 Put area:
virtual streamsize xsputn(const char_type* s, streamsize n);
virtual int_type overflow (int_type c = traits_type::eof());
};
} // std
*/
#include <__config>
#include <iosfwd>
#include <ios>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
template <class _CharT, class _Traits>
class _LIBCPP_TYPE_VIS_ONLY basic_streambuf
{
public:
// types:
typedef _CharT char_type;
typedef _Traits traits_type;
typedef typename traits_type::int_type int_type;
typedef typename traits_type::pos_type pos_type;
typedef typename traits_type::off_type off_type;
virtual ~basic_streambuf();
// 27.6.2.2.1 locales:
locale pubimbue(const locale& __loc);
locale getloc() const;
// 27.6.2.2.2 buffer and positioning:
basic_streambuf* pubsetbuf(char_type* __s, streamsize __n);
pos_type pubseekoff(off_type __off, ios_base::seekdir __way,
ios_base::openmode __which = ios_base::in | ios_base::out);
pos_type pubseekpos(pos_type __sp,
ios_base::openmode __which = ios_base::in | ios_base::out);
int pubsync();
// Get and put areas:
// 27.6.2.2.3 Get area:
streamsize in_avail();
int_type snextc();
int_type sbumpc();
int_type sgetc();
streamsize sgetn(char_type* __s, streamsize __n);
// 27.6.2.2.4 Putback:
int_type sputbackc(char_type __c);
int_type sungetc();
// 27.6.2.2.5 Put area:
int_type sputc(char_type __c);
streamsize sputn(const char_type* __s, streamsize __n);
protected:
basic_streambuf();
basic_streambuf(const basic_streambuf& __rhs);
basic_streambuf& operator=(const basic_streambuf& __rhs);
void swap(basic_streambuf& __rhs);
// 27.6.2.3.2 Get area:
_LIBCPP_ALWAYS_INLINE char_type* eback() const {return __binp_;}
_LIBCPP_ALWAYS_INLINE char_type* gptr() const {return __ninp_;}
_LIBCPP_ALWAYS_INLINE char_type* egptr() const {return __einp_;}
void gbump(int __n);
void setg(char_type* __gbeg, char_type* __gnext, char_type* __gend);
// 27.6.2.3.3 Put area:
_LIBCPP_ALWAYS_INLINE char_type* pbase() const {return __bout_;}
_LIBCPP_ALWAYS_INLINE char_type* pptr() const {return __nout_;}
_LIBCPP_ALWAYS_INLINE char_type* epptr() const {return __eout_;}
void pbump(int __n);
void setp(char_type* __pbeg, char_type* __pend);
// 27.6.2.4 virtual functions:
// 27.6.2.4.1 Locales:
virtual void imbue(const locale& __loc);
// 27.6.2.4.2 Buffer management and positioning:
virtual basic_streambuf* setbuf(char_type* __s, streamsize __n);
virtual pos_type seekoff(off_type __off, ios_base::seekdir __way,
ios_base::openmode __which = ios_base::in | ios_base::out);
virtual pos_type seekpos(pos_type __sp,
ios_base::openmode __which = ios_base::in | ios_base::out);
virtual int sync();
// 27.6.2.4.3 Get area:
virtual streamsize showmanyc();
virtual streamsize xsgetn(char_type* __s, streamsize __n);
virtual int_type underflow();
virtual int_type uflow();
// 27.6.2.4.4 Putback:
virtual int_type pbackfail(int_type __c = traits_type::eof());
// 27.6.2.4.5 Put area:
virtual streamsize xsputn(const char_type* __s, streamsize __n);
virtual int_type overflow(int_type __c = traits_type::eof());
private:
locale __loc_;
char_type* __binp_;
char_type* __ninp_;
char_type* __einp_;
char_type* __bout_;
char_type* __nout_;
char_type* __eout_;
};
template <class _CharT, class _Traits>
basic_streambuf<_CharT, _Traits>::~basic_streambuf()
{
}
template <class _CharT, class _Traits>
inline _LIBCPP_INLINE_VISIBILITY
locale
basic_streambuf<_CharT, _Traits>::pubimbue(const locale& __loc)
{
imbue(__loc);
locale __r = __loc_;
__loc_ = __loc;
return __r;
}
template <class _CharT, class _Traits>
inline _LIBCPP_INLINE_VISIBILITY
locale
basic_streambuf<_CharT, _Traits>::getloc() const
{
return __loc_;
}
template <class _CharT, class _Traits>
inline _LIBCPP_INLINE_VISIBILITY
basic_streambuf<_CharT, _Traits>*
basic_streambuf<_CharT, _Traits>::pubsetbuf(char_type* __s, streamsize __n)
{
return setbuf(__s, __n);
}
template <class _CharT, class _Traits>
inline _LIBCPP_INLINE_VISIBILITY
typename basic_streambuf<_CharT, _Traits>::pos_type
basic_streambuf<_CharT, _Traits>::pubseekoff(off_type __off,
ios_base::seekdir __way,
ios_base::openmode __which)
{
return seekoff(__off, __way, __which);
}
template <class _CharT, class _Traits>
inline _LIBCPP_INLINE_VISIBILITY
typename basic_streambuf<_CharT, _Traits>::pos_type
basic_streambuf<_CharT, _Traits>::pubseekpos(pos_type __sp,
ios_base::openmode __which)
{
return seekpos(__sp, __which);
}
template <class _CharT, class _Traits>
inline _LIBCPP_INLINE_VISIBILITY
int
basic_streambuf<_CharT, _Traits>::pubsync()
{
return sync();
}
template <class _CharT, class _Traits>
inline _LIBCPP_INLINE_VISIBILITY
streamsize
basic_streambuf<_CharT, _Traits>::in_avail()
{
if (__ninp_ < __einp_)
return static_cast<streamsize>(__einp_ - __ninp_);
return showmanyc();
}
template <class _CharT, class _Traits>
inline _LIBCPP_INLINE_VISIBILITY
typename basic_streambuf<_CharT, _Traits>::int_type
basic_streambuf<_CharT, _Traits>::snextc()
{
if (sbumpc() == traits_type::eof())
return traits_type::eof();
return sgetc();
}
template <class _CharT, class _Traits>
inline _LIBCPP_INLINE_VISIBILITY
typename basic_streambuf<_CharT, _Traits>::int_type
basic_streambuf<_CharT, _Traits>::sbumpc()
{
if (__ninp_ == __einp_)
return uflow();
return traits_type::to_int_type(*__ninp_++);
}
template <class _CharT, class _Traits>
inline _LIBCPP_INLINE_VISIBILITY
typename basic_streambuf<_CharT, _Traits>::int_type
basic_streambuf<_CharT, _Traits>::sgetc()
{
if (__ninp_ == __einp_)
return underflow();
return traits_type::to_int_type(*__ninp_);
}
template <class _CharT, class _Traits>
inline _LIBCPP_INLINE_VISIBILITY
streamsize
basic_streambuf<_CharT, _Traits>::sgetn(char_type* __s, streamsize __n)
{
return xsgetn(__s, __n);
}
template <class _CharT, class _Traits>
inline _LIBCPP_INLINE_VISIBILITY
typename basic_streambuf<_CharT, _Traits>::int_type
basic_streambuf<_CharT, _Traits>::sputbackc(char_type __c)
{
if (__binp_ == __ninp_ || !traits_type::eq(__c, __ninp_[-1]))
return pbackfail(traits_type::to_int_type(__c));
return traits_type::to_int_type(*--__ninp_);
}
template <class _CharT, class _Traits>
inline _LIBCPP_INLINE_VISIBILITY
typename basic_streambuf<_CharT, _Traits>::int_type
basic_streambuf<_CharT, _Traits>::sungetc()
{
if (__binp_ == __ninp_)
return pbackfail();
return traits_type::to_int_type(*--__ninp_);
}
template <class _CharT, class _Traits>
inline _LIBCPP_INLINE_VISIBILITY
typename basic_streambuf<_CharT, _Traits>::int_type
basic_streambuf<_CharT, _Traits>::sputc(char_type __c)
{
if (__nout_ == __eout_)
return overflow(traits_type::to_int_type(__c));
*__nout_++ = __c;
return traits_type::to_int_type(__c);
}
template <class _CharT, class _Traits>
inline _LIBCPP_INLINE_VISIBILITY
streamsize
basic_streambuf<_CharT, _Traits>::sputn(const char_type* __s, streamsize __n)
{
return xsputn(__s, __n);
}
template <class _CharT, class _Traits>
basic_streambuf<_CharT, _Traits>::basic_streambuf()
: __binp_(0),
__ninp_(0),
__einp_(0),
__bout_(0),
__nout_(0),
__eout_(0)
{
}
template <class _CharT, class _Traits>
basic_streambuf<_CharT, _Traits>::basic_streambuf(const basic_streambuf& __sb)
: __loc_(__sb.__loc_),
__binp_(__sb.__binp_),
__ninp_(__sb.__ninp_),
__einp_(__sb.__einp_),
__bout_(__sb.__bout_),
__nout_(__sb.__nout_),
__eout_(__sb.__eout_)
{
}
template <class _CharT, class _Traits>
basic_streambuf<_CharT, _Traits>&
basic_streambuf<_CharT, _Traits>::operator=(const basic_streambuf& __sb)
{
__loc_ = __sb.__loc_;
__binp_ = __sb.__binp_;
__ninp_ = __sb.__ninp_;
__einp_ = __sb.__einp_;
__bout_ = __sb.__bout_;
__nout_ = __sb.__nout_;
__eout_ = __sb.__eout_;
return *this;
}
template <class _CharT, class _Traits>
void
basic_streambuf<_CharT, _Traits>::swap(basic_streambuf& __sb)
{
_VSTD::swap(__loc_, __sb.__loc_);
_VSTD::swap(__binp_, __sb.__binp_);
_VSTD::swap(__ninp_, __sb.__ninp_);
_VSTD::swap(__einp_, __sb.__einp_);
_VSTD::swap(__bout_, __sb.__bout_);
_VSTD::swap(__nout_, __sb.__nout_);
_VSTD::swap(__eout_, __sb.__eout_);
}
template <class _CharT, class _Traits>
inline _LIBCPP_INLINE_VISIBILITY
void
basic_streambuf<_CharT, _Traits>::gbump(int __n)
{
__ninp_ += __n;
}
template <class _CharT, class _Traits>
inline _LIBCPP_INLINE_VISIBILITY
void
basic_streambuf<_CharT, _Traits>::setg(char_type* __gbeg, char_type* __gnext,
char_type* __gend)
{
__binp_ = __gbeg;
__ninp_ = __gnext;
__einp_ = __gend;
}
template <class _CharT, class _Traits>
inline _LIBCPP_INLINE_VISIBILITY
void
basic_streambuf<_CharT, _Traits>::pbump(int __n)
{
__nout_ += __n;
}
template <class _CharT, class _Traits>
inline _LIBCPP_INLINE_VISIBILITY
void
basic_streambuf<_CharT, _Traits>::setp(char_type* __pbeg, char_type* __pend)
{
__bout_ = __nout_ = __pbeg;
__eout_ = __pend;
}
template <class _CharT, class _Traits>
void
basic_streambuf<_CharT, _Traits>::imbue(const locale&)
{
}
template <class _CharT, class _Traits>
basic_streambuf<_CharT, _Traits>*
basic_streambuf<_CharT, _Traits>::setbuf(char_type*, streamsize)
{
return this;
}
template <class _CharT, class _Traits>
typename basic_streambuf<_CharT, _Traits>::pos_type
basic_streambuf<_CharT, _Traits>::seekoff(off_type, ios_base::seekdir,
ios_base::openmode)
{
return pos_type(off_type(-1));
}
template <class _CharT, class _Traits>
typename basic_streambuf<_CharT, _Traits>::pos_type
basic_streambuf<_CharT, _Traits>::seekpos(pos_type, ios_base::openmode)
{
return pos_type(off_type(-1));
}
template <class _CharT, class _Traits>
int
basic_streambuf<_CharT, _Traits>::sync()
{
return 0;
}
template <class _CharT, class _Traits>
streamsize
basic_streambuf<_CharT, _Traits>::showmanyc()
{
return 0;
}
template <class _CharT, class _Traits>
streamsize
basic_streambuf<_CharT, _Traits>::xsgetn(char_type* __s, streamsize __n)
{
const int_type __eof = traits_type::eof();
int_type __c;
streamsize __i = 0;
for (;__i < __n; ++__i, ++__s)
{
if (__ninp_ < __einp_)
*__s = *__ninp_++;
else if ((__c = uflow()) != __eof)
*__s = traits_type::to_char_type(__c);
else
break;
}
return __i;
}
template <class _CharT, class _Traits>
typename basic_streambuf<_CharT, _Traits>::int_type
basic_streambuf<_CharT, _Traits>::underflow()
{
return traits_type::eof();
}
template <class _CharT, class _Traits>
typename basic_streambuf<_CharT, _Traits>::int_type
basic_streambuf<_CharT, _Traits>::uflow()
{
if (underflow() == traits_type::eof())
return traits_type::eof();
return traits_type::to_int_type(*__ninp_++);
}
template <class _CharT, class _Traits>
typename basic_streambuf<_CharT, _Traits>::int_type
basic_streambuf<_CharT, _Traits>::pbackfail(int_type)
{
return traits_type::eof();
}
template <class _CharT, class _Traits>
streamsize
basic_streambuf<_CharT, _Traits>::xsputn(const char_type* __s, streamsize __n)
{
streamsize __i = 0;
int_type __eof = traits_type::eof();
for (; __i < __n; ++__s, ++__i)
{
if (__nout_ < __eout_)
*__nout_++ = *__s;
else if (overflow(traits_type::to_int_type(*__s)) == __eof)
break;
}
return __i;
}
template <class _CharT, class _Traits>
typename basic_streambuf<_CharT, _Traits>::int_type
basic_streambuf<_CharT, _Traits>::overflow(int_type)
{
return traits_type::eof();
}
_LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_TYPE_VIS basic_streambuf<char>)
_LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_TYPE_VIS basic_streambuf<wchar_t>)
_LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_TYPE_VIS basic_ios<char>)
_LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_TYPE_VIS basic_ios<wchar_t>)
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_STEAMBUF

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// -*- C++ -*-
//===--------------------------- strstream --------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_STRSTREAM
#define _LIBCPP_STRSTREAM
/*
strstream synopsis
class strstreambuf
: public basic_streambuf<char>
{
public:
explicit strstreambuf(streamsize alsize_arg = 0);
strstreambuf(void* (*palloc_arg)(size_t), void (*pfree_arg)(void*));
strstreambuf(char* gnext_arg, streamsize n, char* pbeg_arg = 0);
strstreambuf(const char* gnext_arg, streamsize n);
strstreambuf(signed char* gnext_arg, streamsize n, signed char* pbeg_arg = 0);
strstreambuf(const signed char* gnext_arg, streamsize n);
strstreambuf(unsigned char* gnext_arg, streamsize n, unsigned char* pbeg_arg = 0);
strstreambuf(const unsigned char* gnext_arg, streamsize n);
strstreambuf(strstreambuf&& rhs);
strstreambuf& operator=(strstreambuf&& rhs);
virtual ~strstreambuf();
void swap(strstreambuf& rhs);
void freeze(bool freezefl = true);
char* str();
int pcount() const;
protected:
virtual int_type overflow (int_type c = EOF);
virtual int_type pbackfail(int_type c = EOF);
virtual int_type underflow();
virtual pos_type seekoff(off_type off, ios_base::seekdir way,
ios_base::openmode which = ios_base::in | ios_base::out);
virtual pos_type seekpos(pos_type sp,
ios_base::openmode which = ios_base::in | ios_base::out);
virtual streambuf* setbuf(char* s, streamsize n);
private:
typedef T1 strstate; // exposition only
static const strstate allocated; // exposition only
static const strstate constant; // exposition only
static const strstate dynamic; // exposition only
static const strstate frozen; // exposition only
strstate strmode; // exposition only
streamsize alsize; // exposition only
void* (*palloc)(size_t); // exposition only
void (*pfree)(void*); // exposition only
};
class istrstream
: public basic_istream<char>
{
public:
explicit istrstream(const char* s);
explicit istrstream(char* s);
istrstream(const char* s, streamsize n);
istrstream(char* s, streamsize n);
virtual ~istrstream();
strstreambuf* rdbuf() const;
char *str();
private:
strstreambuf sb; // exposition only
};
class ostrstream
: public basic_ostream<char>
{
public:
ostrstream();
ostrstream(char* s, int n, ios_base::openmode mode = ios_base::out);
virtual ~ostrstream();
strstreambuf* rdbuf() const;
void freeze(bool freezefl = true);
char* str();
int pcount() const;
private:
strstreambuf sb; // exposition only
};
class strstream
: public basic_iostream<char>
{
public:
// Types
typedef char char_type;
typedef char_traits<char>::int_type int_type;
typedef char_traits<char>::pos_type pos_type;
typedef char_traits<char>::off_type off_type;
// constructors/destructor
strstream();
strstream(char* s, int n, ios_base::openmode mode = ios_base::in | ios_base::out);
virtual ~strstream();
// Members:
strstreambuf* rdbuf() const;
void freeze(bool freezefl = true);
int pcount() const;
char* str();
private:
strstreambuf sb; // exposition only
};
} // std
*/
#include <__config>
#include <ostream>
#include <istream>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
class _LIBCPP_TYPE_VIS strstreambuf
: public streambuf
{
public:
explicit strstreambuf(streamsize __alsize = 0);
strstreambuf(void* (*__palloc)(size_t), void (*__pfree)(void*));
strstreambuf(char* __gnext, streamsize __n, char* __pbeg = 0);
strstreambuf(const char* __gnext, streamsize __n);
strstreambuf(signed char* __gnext, streamsize __n, signed char* __pbeg = 0);
strstreambuf(const signed char* __gnext, streamsize __n);
strstreambuf(unsigned char* __gnext, streamsize __n, unsigned char* __pbeg = 0);
strstreambuf(const unsigned char* __gnext, streamsize __n);
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
_LIBCPP_INLINE_VISIBILITY
strstreambuf(strstreambuf&& __rhs);
_LIBCPP_INLINE_VISIBILITY
strstreambuf& operator=(strstreambuf&& __rhs);
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
virtual ~strstreambuf();
void swap(strstreambuf& __rhs);
void freeze(bool __freezefl = true);
char* str();
int pcount() const;
protected:
virtual int_type overflow (int_type __c = EOF);
virtual int_type pbackfail(int_type __c = EOF);
virtual int_type underflow();
virtual pos_type seekoff(off_type __off, ios_base::seekdir __way,
ios_base::openmode __which = ios_base::in | ios_base::out);
virtual pos_type seekpos(pos_type __sp,
ios_base::openmode __which = ios_base::in | ios_base::out);
private:
typedef unsigned __mode_type;
static const __mode_type __allocated = 0x01;
static const __mode_type __constant = 0x02;
static const __mode_type __dynamic = 0x04;
static const __mode_type __frozen = 0x08;
static const streamsize __default_alsize = 4096;
__mode_type __strmode_;
streamsize __alsize_;
void* (*__palloc_)(size_t);
void (*__pfree_)(void*);
void __init(char* __gnext, streamsize __n, char* __pbeg);
};
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
inline _LIBCPP_INLINE_VISIBILITY
strstreambuf::strstreambuf(strstreambuf&& __rhs)
: streambuf(__rhs),
__strmode_(__rhs.__strmode_),
__alsize_(__rhs.__alsize_),
__palloc_(__rhs.__palloc_),
__pfree_(__rhs.__pfree_)
{
__rhs.setg(nullptr, nullptr, nullptr);
__rhs.setp(nullptr, nullptr);
}
inline _LIBCPP_INLINE_VISIBILITY
strstreambuf&
strstreambuf::operator=(strstreambuf&& __rhs)
{
if (eback() && (__strmode_ & __allocated) != 0 && (__strmode_ & __frozen) == 0)
{
if (__pfree_)
__pfree_(eback());
else
delete [] eback();
}
streambuf::operator=(__rhs);
__strmode_ = __rhs.__strmode_;
__alsize_ = __rhs.__alsize_;
__palloc_ = __rhs.__palloc_;
__pfree_ = __rhs.__pfree_;
__rhs.setg(nullptr, nullptr, nullptr);
__rhs.setp(nullptr, nullptr);
return *this;
}
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
class _LIBCPP_TYPE_VIS istrstream
: public istream
{
public:
_LIBCPP_INLINE_VISIBILITY
explicit istrstream(const char* __s)
: istream(&__sb_), __sb_(__s, 0) {}
_LIBCPP_INLINE_VISIBILITY
explicit istrstream(char* __s)
: istream(&__sb_), __sb_(__s, 0) {}
_LIBCPP_INLINE_VISIBILITY
istrstream(const char* __s, streamsize __n)
: istream(&__sb_), __sb_(__s, __n) {}
_LIBCPP_INLINE_VISIBILITY
istrstream(char* __s, streamsize __n)
: istream(&__sb_), __sb_(__s, __n) {}
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
_LIBCPP_INLINE_VISIBILITY
istrstream(istrstream&& __rhs)
: istream(_VSTD::move(__rhs)),
__sb_(_VSTD::move(__rhs.__sb_))
{
istream::set_rdbuf(&__sb_);
}
_LIBCPP_INLINE_VISIBILITY
istrstream& operator=(istrstream&& __rhs)
{
istream::operator=(_VSTD::move(__rhs));
__sb_ = _VSTD::move(__rhs.__sb_);
return *this;
}
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
virtual ~istrstream();
_LIBCPP_INLINE_VISIBILITY
void swap(istrstream& __rhs)
{
istream::swap(__rhs);
__sb_.swap(__rhs.__sb_);
}
_LIBCPP_INLINE_VISIBILITY
strstreambuf* rdbuf() const {return const_cast<strstreambuf*>(&__sb_);}
_LIBCPP_INLINE_VISIBILITY
char *str() {return __sb_.str();}
private:
strstreambuf __sb_;
};
class _LIBCPP_TYPE_VIS ostrstream
: public ostream
{
public:
_LIBCPP_INLINE_VISIBILITY
ostrstream()
: ostream(&__sb_) {}
_LIBCPP_INLINE_VISIBILITY
ostrstream(char* __s, int __n, ios_base::openmode __mode = ios_base::out)
: ostream(&__sb_),
__sb_(__s, __n, __s + (__mode & ios::app ? strlen(__s) : 0))
{}
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
_LIBCPP_INLINE_VISIBILITY
ostrstream(ostrstream&& __rhs)
: ostream(_VSTD::move(__rhs)),
__sb_(_VSTD::move(__rhs.__sb_))
{
ostream::set_rdbuf(&__sb_);
}
_LIBCPP_INLINE_VISIBILITY
ostrstream& operator=(ostrstream&& __rhs)
{
ostream::operator=(_VSTD::move(__rhs));
__sb_ = _VSTD::move(__rhs.__sb_);
return *this;
}
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
virtual ~ostrstream();
_LIBCPP_INLINE_VISIBILITY
void swap(ostrstream& __rhs)
{
ostream::swap(__rhs);
__sb_.swap(__rhs.__sb_);
}
_LIBCPP_INLINE_VISIBILITY
strstreambuf* rdbuf() const {return const_cast<strstreambuf*>(&__sb_);}
_LIBCPP_INLINE_VISIBILITY
void freeze(bool __freezefl = true) {__sb_.freeze(__freezefl);}
_LIBCPP_INLINE_VISIBILITY
char* str() {return __sb_.str();}
_LIBCPP_INLINE_VISIBILITY
int pcount() const {return __sb_.pcount();}
private:
strstreambuf __sb_; // exposition only
};
class _LIBCPP_TYPE_VIS strstream
: public iostream
{
public:
// Types
typedef char char_type;
typedef char_traits<char>::int_type int_type;
typedef char_traits<char>::pos_type pos_type;
typedef char_traits<char>::off_type off_type;
// constructors/destructor
_LIBCPP_INLINE_VISIBILITY
strstream()
: iostream(&__sb_) {}
_LIBCPP_INLINE_VISIBILITY
strstream(char* __s, int __n, ios_base::openmode __mode = ios_base::in | ios_base::out)
: iostream(&__sb_),
__sb_(__s, __n, __s + (__mode & ios::app ? strlen(__s) : 0))
{}
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
_LIBCPP_INLINE_VISIBILITY
strstream(strstream&& __rhs)
: iostream(_VSTD::move(__rhs)),
__sb_(_VSTD::move(__rhs.__sb_))
{
iostream::set_rdbuf(&__sb_);
}
_LIBCPP_INLINE_VISIBILITY
strstream& operator=(strstream&& __rhs)
{
iostream::operator=(_VSTD::move(__rhs));
__sb_ = _VSTD::move(__rhs.__sb_);
return *this;
}
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
virtual ~strstream();
_LIBCPP_INLINE_VISIBILITY
void swap(strstream& __rhs)
{
iostream::swap(__rhs);
__sb_.swap(__rhs.__sb_);
}
// Members:
_LIBCPP_INLINE_VISIBILITY
strstreambuf* rdbuf() const {return const_cast<strstreambuf*>(&__sb_);}
_LIBCPP_INLINE_VISIBILITY
void freeze(bool __freezefl = true) {__sb_.freeze(__freezefl);}
_LIBCPP_INLINE_VISIBILITY
int pcount() const {return __sb_.pcount();}
_LIBCPP_INLINE_VISIBILITY
char* str() {return __sb_.str();}
private:
strstreambuf __sb_; // exposition only
};
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_STRSTREAM

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// -*- C++ -*-
//===--------------------- support/ibm/limits.h ---------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_SUPPORT_IBM_LIMITS_H
#define _LIBCPP_SUPPORT_IBM_LIMITS_H
#if !defined(_AIX) // Linux
#include <math.h> // for HUGE_VAL, HUGE_VALF, HUGE_VALL, and NAN
static const unsigned int _QNAN_F = 0x7fc00000;
#define NANF (*((float *)(&_QNAN_F)))
static const unsigned int _QNAN_LDBL128[4] = {0x7ff80000, 0x0, 0x0, 0x0};
#define NANL (*((long double *)(&_QNAN_LDBL128)))
static const unsigned int _SNAN_F= 0x7f855555;
#define NANSF (*((float *)(&_SNAN_F)))
static const unsigned int _SNAN_D[2] = {0x7ff55555, 0x55555555};
#define NANS (*((double *)(&_SNAN_D)))
static const unsigned int _SNAN_LDBL128[4] = {0x7ff55555, 0x55555555, 0x0, 0x0};
#define NANSL (*((long double *)(&_SNAN_LDBL128)))
#define __builtin_huge_val() HUGE_VAL
#define __builtin_huge_valf() HUGE_VALF
#define __builtin_huge_vall() HUGE_VALL
#define __builtin_nan(__dummy) NAN
#define __builtin_nanf(__dummy) NANF
#define __builtin_nanl(__dummy) NANL
#define __builtin_nans(__dummy) NANS
#define __builtin_nansf(__dummy) NANSF
#define __builtin_nansl(__dummy) NANSL
#else
#include <math.h>
#include <float.h> // limit constants
#define __builtin_huge_val() HUGE_VAL //0x7ff0000000000000
#define __builtin_huge_valf() HUGE_VALF //0x7f800000
#define __builtin_huge_vall() HUGE_VALL //0x7ff0000000000000
#define __builtin_nan(__dummy) nan(__dummy) //0x7ff8000000000000
#define __builtin_nanf(__dummy) nanf(__dummy) // 0x7ff80000
#define __builtin_nanl(__dummy) nanl(__dummy) //0x7ff8000000000000
#define __builtin_nans(__dummy) DBL_SNAN //0x7ff5555555555555
#define __builtin_nansf(__dummy) FLT_SNAN //0x7f855555
#define __builtin_nansl(__dummy) DBL_SNAN //0x7ff5555555555555
#define __FLT_MANT_DIG__ FLT_MANT_DIG
#define __FLT_DIG__ FLT_DIG
#define __FLT_RADIX__ FLT_RADIX
#define __FLT_MIN_EXP__ FLT_MIN_EXP
#define __FLT_MIN_10_EXP__ FLT_MIN_10_EXP
#define __FLT_MAX_EXP__ FLT_MAX_EXP
#define __FLT_MAX_10_EXP__ FLT_MAX_10_EXP
#define __FLT_MIN__ FLT_MIN
#define __FLT_MAX__ FLT_MAX
#define __FLT_EPSILON__ FLT_EPSILON
// predefined by XLC on LoP
#define __FLT_DENORM_MIN__ 1.40129846e-45F
#define __DBL_MANT_DIG__ DBL_MANT_DIG
#define __DBL_DIG__ DBL_DIG
#define __DBL_MIN_EXP__ DBL_MIN_EXP
#define __DBL_MIN_10_EXP__ DBL_MIN_10_EXP
#define __DBL_MAX_EXP__ DBL_MAX_EXP
#define __DBL_MAX_10_EXP__ DBL_MAX_10_EXP
#define __DBL_MIN__ DBL_MIN
#define __DBL_MAX__ DBL_MAX
#define __DBL_EPSILON__ DBL_EPSILON
// predefined by XLC on LoP
#define __DBL_DENORM_MIN__ 4.9406564584124654e-324
#define __LDBL_MANT_DIG__ LDBL_MANT_DIG
#define __LDBL_DIG__ LDBL_DIG
#define __LDBL_MIN_EXP__ LDBL_MIN_EXP
#define __LDBL_MIN_10_EXP__ LDBL_MIN_10_EXP
#define __LDBL_MAX_EXP__ LDBL_MAX_EXP
#define __LDBL_MAX_10_EXP__ LDBL_MAX_10_EXP
#define __LDBL_MIN__ LDBL_MIN
#define __LDBL_MAX__ LDBL_MAX
#define __LDBL_EPSILON__ LDBL_EPSILON
// predefined by XLC on LoP
#if __LONGDOUBLE128
#define __LDBL_DENORM_MIN__ 4.94065645841246544176568792868221e-324L
#else
#define __LDBL_DENORM_MIN__ 4.9406564584124654e-324L
#endif
// predefined by XLC on LoP
#define __CHAR_BIT__ 8
#endif // _AIX
#endif // _LIBCPP_SUPPORT_IBM_LIMITS_H

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// -*- C++ -*-
//===----------------------- support/ibm/support.h ----------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_SUPPORT_IBM_SUPPORT_H
#define _LIBCPP_SUPPORT_IBM_SUPPORT_H
extern "builtin" int __popcnt4(unsigned int);
extern "builtin" int __popcnt8(unsigned long long);
extern "builtin" unsigned int __cnttz4(unsigned int);
extern "builtin" unsigned int __cnttz8(unsigned long long);
extern "builtin" unsigned int __cntlz4(unsigned long long);
extern "builtin" unsigned int __cntlz8(unsigned long long);
// Builtin functions for counting population
#define __builtin_popcount(x) __popcnt4(x)
#define __builtin_popcountll(x) __popcnt8(x)
#if defined(__64BIT__)
#define __builtin_popcountl(x) __builtin_popcountll(x)
#else
#define __builtin_popcountl(x) __builtin_popcount(x)
#endif
// Builtin functions for counting trailing zeros
#define __builtin_ctz(x) __cnttz4(x)
#define __builtin_ctzll(x) __cnttz8(x)
#if defined(__64BIT__)
#define __builtin_ctzl(x) __builtin_ctzll(x)
#else
#define __builtin_ctzl(x) __builtin_ctz(x)
#endif
// Builtin functions for counting leading zeros
#define __builtin_clz(x) __cntlz4(x)
#define __builtin_clzll(x) __cntlz8(x)
#if defined(__64BIT__)
#define __builtin_clzl(x) __builtin_clzll(x)
#else
#define __builtin_clzl(x) __builtin_clz(x)
#endif
#if defined(__64BIT__)
#define __SIZE_WIDTH__ 64
#else
#define __SIZE_WIDTH__ 32
#endif
#endif // _LIBCPP_SUPPORT_IBM_SUPPORT_H

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