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351 lines
9.5 KiB
CMake
351 lines
9.5 KiB
CMake
#.rst:
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# FindLAPACK
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# ----------
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#
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# Find LAPACK library
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#
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# This module finds an installed fortran library that implements the
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# LAPACK linear-algebra interface (see http://www.netlib.org/lapack/).
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#
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# The approach follows that taken for the autoconf macro file,
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# acx_lapack.m4 (distributed at
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# http://ac-archive.sourceforge.net/ac-archive/acx_lapack.html).
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#
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# This module sets the following variables:
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#
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# ::
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#
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# LAPACK_FOUND - set to true if a library implementing the LAPACK interface
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# is found
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# LAPACK_LINKER_FLAGS - uncached list of required linker flags (excluding -l
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# and -L).
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# LAPACK_LIBRARIES - uncached list of libraries (using full path name) to
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# link against to use LAPACK
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# LAPACK95_LIBRARIES - uncached list of libraries (using full path name) to
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# link against to use LAPACK95
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# LAPACK95_FOUND - set to true if a library implementing the LAPACK f95
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# interface is found
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# BLA_STATIC if set on this determines what kind of linkage we do (static)
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# BLA_VENDOR if set checks only the specified vendor, if not set checks
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# all the possibilities
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# BLA_F95 if set on tries to find the f95 interfaces for BLAS/LAPACK
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#
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# ## List of vendors (BLA_VENDOR) valid in this module # Intel(mkl),
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# ACML,Apple, NAS, Generic
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#=============================================================================
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# Copyright 2007-2009 Kitware, Inc.
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#
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# Distributed under the OSI-approved BSD License (the "License");
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# see accompanying file Copyright.txt for details.
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#
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# This software is distributed WITHOUT ANY WARRANTY; without even the
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# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# See the License for more information.
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#=============================================================================
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# (To distribute this file outside of CMake, substitute the full
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# License text for the above reference.)
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set(_lapack_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES})
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get_property(_LANGUAGES_ GLOBAL PROPERTY ENABLED_LANGUAGES)
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if (NOT _LANGUAGES_ MATCHES Fortran)
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include(${CMAKE_CURRENT_LIST_DIR}/CheckFunctionExists.cmake)
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else ()
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include(${CMAKE_CURRENT_LIST_DIR}/CheckFortranFunctionExists.cmake)
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endif ()
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set(LAPACK_FOUND FALSE)
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set(LAPACK95_FOUND FALSE)
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# TODO: move this stuff to separate module
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macro(Check_Lapack_Libraries LIBRARIES _prefix _name _flags _list _blas _threads)
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# This macro checks for the existence of the combination of fortran libraries
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# given by _list. If the combination is found, this macro checks (using the
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# Check_Fortran_Function_Exists macro) whether can link against that library
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# combination using the name of a routine given by _name using the linker
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# flags given by _flags. If the combination of libraries is found and passes
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# the link test, LIBRARIES is set to the list of complete library paths that
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# have been found. Otherwise, LIBRARIES is set to FALSE.
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# N.B. _prefix is the prefix applied to the names of all cached variables that
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# are generated internally and marked advanced by this macro.
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set(_libraries_work TRUE)
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set(${LIBRARIES})
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set(_combined_name)
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if (NOT _libdir)
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if (WIN32)
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set(_libdir ENV LIB)
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elseif (APPLE)
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set(_libdir ENV DYLD_LIBRARY_PATH)
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else ()
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set(_libdir ENV LD_LIBRARY_PATH)
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endif ()
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endif ()
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foreach(_library ${_list})
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set(_combined_name ${_combined_name}_${_library})
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if(_libraries_work)
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if (BLA_STATIC)
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if (WIN32)
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set(CMAKE_FIND_LIBRARY_SUFFIXES .lib ${CMAKE_FIND_LIBRARY_SUFFIXES})
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endif ()
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if (APPLE)
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set(CMAKE_FIND_LIBRARY_SUFFIXES .lib ${CMAKE_FIND_LIBRARY_SUFFIXES})
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else ()
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set(CMAKE_FIND_LIBRARY_SUFFIXES .a ${CMAKE_FIND_LIBRARY_SUFFIXES})
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endif ()
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else ()
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if (CMAKE_SYSTEM_NAME STREQUAL "Linux")
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# for ubuntu's libblas3gf and liblapack3gf packages
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set(CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES} .so.3gf)
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endif ()
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endif ()
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find_library(${_prefix}_${_library}_LIBRARY
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NAMES ${_library}
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PATHS ${_libdir}
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)
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mark_as_advanced(${_prefix}_${_library}_LIBRARY)
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set(${LIBRARIES} ${${LIBRARIES}} ${${_prefix}_${_library}_LIBRARY})
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set(_libraries_work ${${_prefix}_${_library}_LIBRARY})
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endif()
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endforeach()
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if(_libraries_work)
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# Test this combination of libraries.
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if(UNIX AND BLA_STATIC)
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set(CMAKE_REQUIRED_LIBRARIES ${_flags} "-Wl,--start-group" ${${LIBRARIES}} ${_blas} "-Wl,--end-group" ${_threads})
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else()
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set(CMAKE_REQUIRED_LIBRARIES ${_flags} ${${LIBRARIES}} ${_blas} ${_threads})
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endif()
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# message("DEBUG: CMAKE_REQUIRED_LIBRARIES = ${CMAKE_REQUIRED_LIBRARIES}")
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if (NOT _LANGUAGES_ MATCHES Fortran)
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check_function_exists("${_name}_" ${_prefix}${_combined_name}_WORKS)
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else ()
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check_fortran_function_exists(${_name} ${_prefix}${_combined_name}_WORKS)
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endif ()
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set(CMAKE_REQUIRED_LIBRARIES)
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mark_as_advanced(${_prefix}${_combined_name}_WORKS)
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set(_libraries_work ${${_prefix}${_combined_name}_WORKS})
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#message("DEBUG: ${LIBRARIES} = ${${LIBRARIES}}")
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endif()
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if(_libraries_work)
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set(${LIBRARIES} ${${LIBRARIES}} ${_blas} ${_threads})
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else()
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set(${LIBRARIES} FALSE)
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endif()
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endmacro()
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set(LAPACK_LINKER_FLAGS)
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set(LAPACK_LIBRARIES)
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set(LAPACK95_LIBRARIES)
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if(LAPACK_FIND_QUIETLY OR NOT LAPACK_FIND_REQUIRED)
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find_package(BLAS)
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else()
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find_package(BLAS REQUIRED)
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endif()
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if(BLAS_FOUND)
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set(LAPACK_LINKER_FLAGS ${BLAS_LINKER_FLAGS})
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if ($ENV{BLA_VENDOR} MATCHES ".+")
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set(BLA_VENDOR $ENV{BLA_VENDOR})
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else ()
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if(NOT BLA_VENDOR)
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set(BLA_VENDOR "All")
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endif()
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endif ()
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if (BLA_VENDOR STREQUAL "Goto" OR BLA_VENDOR STREQUAL "All")
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if(NOT LAPACK_LIBRARIES)
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check_lapack_libraries(
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LAPACK_LIBRARIES
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LAPACK
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cheev
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""
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"goto2"
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"${BLAS_LIBRARIES}"
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""
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)
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endif()
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endif ()
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#acml lapack
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if (BLA_VENDOR MATCHES "ACML.*" OR BLA_VENDOR STREQUAL "All")
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if (BLAS_LIBRARIES MATCHES ".+acml.+")
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set (LAPACK_LIBRARIES ${BLAS_LIBRARIES})
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endif ()
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endif ()
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# Apple LAPACK library?
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if (BLA_VENDOR STREQUAL "Apple" OR BLA_VENDOR STREQUAL "All")
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if(NOT LAPACK_LIBRARIES)
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check_lapack_libraries(
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LAPACK_LIBRARIES
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LAPACK
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cheev
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""
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"Accelerate"
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"${BLAS_LIBRARIES}"
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""
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)
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endif()
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endif ()
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if (BLA_VENDOR STREQUAL "NAS" OR BLA_VENDOR STREQUAL "All")
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if ( NOT LAPACK_LIBRARIES )
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check_lapack_libraries(
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LAPACK_LIBRARIES
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LAPACK
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cheev
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""
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"vecLib"
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"${BLAS_LIBRARIES}"
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""
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)
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endif ()
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endif ()
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# Generic LAPACK library?
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if (BLA_VENDOR STREQUAL "Generic" OR
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BLA_VENDOR STREQUAL "ATLAS" OR
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BLA_VENDOR STREQUAL "All")
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if ( NOT LAPACK_LIBRARIES )
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check_lapack_libraries(
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LAPACK_LIBRARIES
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LAPACK
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cheev
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""
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"lapack"
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"${BLAS_LIBRARIES}"
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""
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)
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endif ()
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endif ()
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#intel lapack
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if (BLA_VENDOR MATCHES "Intel*" OR BLA_VENDOR STREQUAL "All")
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if (NOT WIN32)
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set(LM "-lm")
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endif ()
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if (_LANGUAGES_ MATCHES C OR _LANGUAGES_ MATCHES CXX)
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if(LAPACK_FIND_QUIETLY OR NOT LAPACK_FIND_REQUIRED)
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find_PACKAGE(Threads)
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else()
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find_package(Threads REQUIRED)
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endif()
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set(LAPACK_SEARCH_LIBS "")
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if (BLA_F95)
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set(LAPACK_mkl_SEARCH_SYMBOL "CHEEV")
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set(_LIBRARIES LAPACK95_LIBRARIES)
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set(_BLAS_LIBRARIES ${BLAS95_LIBRARIES})
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# old
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list(APPEND LAPACK_SEARCH_LIBS
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"mkl_lapack95")
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# new >= 10.3
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list(APPEND LAPACK_SEARCH_LIBS
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"mkl_intel_c")
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list(APPEND LAPACK_SEARCH_LIBS
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"mkl_intel_lp64")
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else()
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set(LAPACK_mkl_SEARCH_SYMBOL "cheev")
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set(_LIBRARIES LAPACK_LIBRARIES)
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set(_BLAS_LIBRARIES ${BLAS_LIBRARIES})
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# old
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list(APPEND LAPACK_SEARCH_LIBS
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"mkl_lapack")
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# new >= 10.3
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list(APPEND LAPACK_SEARCH_LIBS
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"mkl_gf_lp64")
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endif()
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# First try empty lapack libs
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if (NOT ${_LIBRARIES})
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check_lapack_libraries(
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${_LIBRARIES}
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BLAS
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${LAPACK_mkl_SEARCH_SYMBOL}
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""
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""
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"${_BLAS_LIBRARIES}"
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"${CMAKE_THREAD_LIBS_INIT};${LM}"
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)
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endif ()
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# Then try the search libs
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foreach (IT ${LAPACK_SEARCH_LIBS})
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if (NOT ${_LIBRARIES})
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check_lapack_libraries(
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${_LIBRARIES}
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BLAS
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${LAPACK_mkl_SEARCH_SYMBOL}
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""
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"${IT}"
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"${_BLAS_LIBRARIES}"
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"${CMAKE_THREAD_LIBS_INIT};${LM}"
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)
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endif ()
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endforeach ()
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endif ()
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endif()
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else()
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message(STATUS "LAPACK requires BLAS")
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endif()
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if(BLA_F95)
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if(LAPACK95_LIBRARIES)
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set(LAPACK95_FOUND TRUE)
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else()
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set(LAPACK95_FOUND FALSE)
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endif()
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if(NOT LAPACK_FIND_QUIETLY)
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if(LAPACK95_FOUND)
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message(STATUS "A library with LAPACK95 API found.")
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else()
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if(LAPACK_FIND_REQUIRED)
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message(FATAL_ERROR
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"A required library with LAPACK95 API not found. Please specify library location."
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)
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else()
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message(STATUS
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"A library with LAPACK95 API not found. Please specify library location."
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)
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endif()
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endif()
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endif()
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set(LAPACK_FOUND "${LAPACK95_FOUND}")
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set(LAPACK_LIBRARIES "${LAPACK95_LIBRARIES}")
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else()
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if(LAPACK_LIBRARIES)
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set(LAPACK_FOUND TRUE)
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else()
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set(LAPACK_FOUND FALSE)
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endif()
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if(NOT LAPACK_FIND_QUIETLY)
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if(LAPACK_FOUND)
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message(STATUS "A library with LAPACK API found.")
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else()
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if(LAPACK_FIND_REQUIRED)
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message(FATAL_ERROR
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"A required library with LAPACK API not found. Please specify library location."
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)
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else()
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message(STATUS
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"A library with LAPACK API not found. Please specify library location."
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)
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endif()
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endif()
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endif()
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endif()
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set(CMAKE_FIND_LIBRARY_SUFFIXES ${_lapack_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES})
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