2008-07-22 17:34:09 +00:00
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# - Find LAPACK library
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# This module finds an installed fortran library that implements the LAPACK
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# 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, acx_lapack.m4
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# (distributed at 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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# 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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2009-04-19 16:47:01 +00:00
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# all the possibilities
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2008-07-22 17:34:09 +00:00
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# BLA_F95 if set on tries to find the f95 interfaces for BLAS/LAPACK
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### List of vendors (BLA_VENDOR) valid in this module
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## Intel(mkl), ACML,Apple, NAS, Generic
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2009-09-28 15:45:50 +00:00
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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 distributed this file outside of CMake, substitute the full
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# License text for the above reference.)
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2008-07-22 17:34:09 +00:00
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get_property(_LANGUAGES_ GLOBAL PROPERTY ENABLED_LANGUAGES)
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if(NOT _LANGUAGES_ MATCHES Fortran)
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if(LAPACK_FIND_REQUIRED)
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message(FATAL_ERROR
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"FindLAPACK is Fortran-only so Fortran must be enabled.")
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else(LAPACK_FIND_REQUIRED)
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message(STATUS "Looking for LAPACK... - NOT found (Fortran not enabled)")
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return()
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endif(LAPACK_FIND_REQUIRED)
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endif(NOT _LANGUAGES_ MATCHES Fortran)
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include(CheckFortranFunctionExists)
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set(LAPACK_FOUND FALSE)
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set(LAPACK95_FOUND FALSE)
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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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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 (WIN32)
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if(BLA_STATIC)
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set(CMAKE_FIND_LIBRARY_SUFFIXES ".lib;.dll")
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endif(BLA_STATIC)
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find_library(${_prefix}_${_library}_LIBRARY
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NAMES ${_library}
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PATHS ENV LIB
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)
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ENDIF (WIN32)
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if(APPLE)
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if(BLA_STATIC)
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set(CMAKE_FIND_LIBRARY_SUFFIXES ".a;.so;.dylib")
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endif(BLA_STATIC)
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find_library(${_prefix}_${_library}_LIBRARY
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NAMES ${_library}
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PATHS /usr/local/lib /usr/lib /usr/local/lib64 /usr/lib64 ENV DYLD_LIBRARY_PATH
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)
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else(APPLE)
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if(BLA_STATIC)
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set(CMAKE_FIND_LIBRARY_SUFFIXES ".a;.so")
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endif(BLA_STATIC)
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find_library(${_prefix}_${_library}_LIBRARY
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NAMES ${_library}
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PATHS /usr/local/lib /usr/lib /usr/local/lib64 /usr/lib64 ENV LD_LIBRARY_PATH
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)
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endif(APPLE)
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mark_as_advanced(${_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(_libraries_work)
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endforeach(_library ${_list})
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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(UNIX AND BLA_STATIC)
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set(CMAKE_REQUIRED_LIBRARIES ${_flags} ${${LIBRARIES}} ${_blas} ${_threads})
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endif(UNIX AND BLA_STATIC)
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# message("DEBUG: CMAKE_REQUIRED_LIBRARIES = ${CMAKE_REQUIRED_LIBRARIES}")
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check_fortran_function_exists(${_name} ${_prefix}${_combined_name}_WORKS)
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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(_libraries_work)
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if(_libraries_work)
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set(${LIBRARIES} ${${LIBRARIES}} ${_blas})
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else(_libraries_work)
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set(${LIBRARIES} FALSE)
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endif(_libraries_work)
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endmacro(Check_Lapack_Libraries)
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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(LAPACK_FIND_QUIETLY OR NOT LAPACK_FIND_REQUIRED)
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find_package(BLAS REQUIRED)
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endif(LAPACK_FIND_QUIETLY OR NOT LAPACK_FIND_REQUIRED)
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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 $ENV{BLA_VENDOR})
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else ($ENV{BLA_VENDOR} MATCHES ".+")
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if(NOT BLA_VENDOR)
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set(BLA_VENDOR "All")
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endif(NOT BLA_VENDOR)
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endif ($ENV{BLA_VENDOR} MATCHES ".+")
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#acml lapack
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if (BLA_VENDOR STREQUAL "ACML" OR BLA_VENDOR STREQUAL "All")
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if(NOT LAPACK_LIBRARIES)
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check_lapack_libraries(
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LAPACK_LIBRARIES
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LAPACK
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cheev
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""
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"acml"
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""
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""
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)
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endif(NOT LAPACK_LIBRARIES)
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endif (BLA_VENDOR STREQUAL "ACML" OR BLA_VENDOR STREQUAL "All")
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# Apple LAPACK library?
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if (BLA_VENDOR STREQUAL "Apple" OR BLA_VENDOR STREQUAL "All")
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if(NOT LAPACK_LIBRARIES)
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check_lapack_libraries(
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LAPACK_LIBRARIES
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LAPACK
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cheev
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""
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"Accelerate"
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"${BLAS_LIBRARIES}"
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""
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)
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endif(NOT LAPACK_LIBRARIES)
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endif (BLA_VENDOR STREQUAL "Apple" OR BLA_VENDOR STREQUAL "All")
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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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"${BLAS_LIBRARIES}"
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""
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)
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endif ( NOT LAPACK_LIBRARIES )
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endif (BLA_VENDOR STREQUAL "NAS" OR BLA_VENDOR STREQUAL "All")
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# Generic LAPACK library?
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if (BLA_VENDOR STREQUAL "Generic" OR BLA_VENDOR STREQUAL "All")
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if ( NOT LAPACK_LIBRARIES )
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check_lapack_libraries(
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LAPACK_LIBRARIES
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LAPACK
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cheev
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""
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"lapack"
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"${BLAS_LIBRARIES}"
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""
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)
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endif ( NOT LAPACK_LIBRARIES )
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endif (BLA_VENDOR STREQUAL "Generic" OR BLA_VENDOR STREQUAL "All")
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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 (_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(LAPACK_FIND_QUIETLY OR NOT LAPACK_FIND_REQUIRED)
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find_package(Threads REQUIRED)
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endif(LAPACK_FIND_QUIETLY OR NOT LAPACK_FIND_REQUIRED)
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if (BLA_F95)
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if(NOT LAPACK95_LIBRARIES)
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check_lapack_libraries(
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LAPACK95_LIBRARIES
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LAPACK
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cheev
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""
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"mkl_lapack95"
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"${BLAS95_LIBRARIES}"
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"${CMAKE_THREAD_LIBS_INIT}"
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)
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endif(NOT LAPACK95_LIBRARIES)
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else(BLA_F95)
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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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"mkl_lapack"
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"${BLAS_LIBRARIES}"
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"${CMAKE_THREAD_LIBS_INIT}"
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)
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endif(NOT LAPACK_LIBRARIES)
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endif(BLA_F95)
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endif (_LANGUAGES_ MATCHES C OR _LANGUAGES_ MATCHES CXX)
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endif(BLA_VENDOR MATCHES "Intel*" OR BLA_VENDOR STREQUAL "All")
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else(BLAS_FOUND)
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message(STATUS "LAPACK requires BLAS")
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endif(BLAS_FOUND)
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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(LAPACK95_LIBRARIES)
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set(LAPACK95_FOUND FALSE)
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endif(LAPACK95_LIBRARIES)
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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(LAPACK95_FOUND)
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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(LAPACK_FIND_REQUIRED)
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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(LAPACK_FIND_REQUIRED)
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endif(LAPACK95_FOUND)
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endif(NOT LAPACK_FIND_QUIETLY)
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set(LAPACK_FOUND "${LAPACK95_FOUND}")
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set(LAPACK_LIBRARIES "${LAPACK95_LIBRARIES}")
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else(BLA_F95)
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if(LAPACK_LIBRARIES)
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set(LAPACK_FOUND TRUE)
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else(LAPACK_LIBRARIES)
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set(LAPACK_FOUND FALSE)
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endif(LAPACK_LIBRARIES)
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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(LAPACK_FOUND)
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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(LAPACK_FIND_REQUIRED)
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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(LAPACK_FIND_REQUIRED)
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endif(LAPACK_FOUND)
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endif(NOT LAPACK_FIND_QUIETLY)
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endif(BLA_F95)
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