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## FFTW can be compiled and subsequently linked against |
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## various data types. |
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## There is a single set of include files, and then muttiple libraries, |
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## One for each type. I.e. libfftw.a-->double, libfftwf.a-->float |
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|
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## The following logic belongs in the individual package |
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mark_as_advanced(USE_FFTWD) |
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option(USE_FFTWD "Use double precision FFTW if found" ON) |
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## mark_as_advanced(USE_FFTWF) |
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## option(USE_FFTWF "Use single precision FFTW if found" ON) |
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|
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if(USE_FFTWD OR USE_FFTWF) |
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|
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set(FFTW_INC_SEARCHPATH |
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/sw/include |
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/usr/include |
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/usr/local/include |
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/usr/include/fftw |
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/usr/local/include/fftw |
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/opt/local/include |
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) |
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|
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find_path(FFTW_INCLUDE_PATH fftw3.h ${FFTW_INC_SEARCHPATH}) |
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|
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if(FFTW_INCLUDE_PATH) |
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set(FFTW_INCLUDE ${FFTW_INCLUDE_PATH}) |
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endif(FFTW_INCLUDE_PATH) |
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|
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if(FFTW_INCLUDE) |
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include_directories( ${FFTW_INCLUDE}) |
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endif(FFTW_INCLUDE) |
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|
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get_filename_component(FFTW_INSTALL_BASE_PATH ${FFTW_INCLUDE_PATH} PATH) |
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|
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set(FFTW_LIB_SEARCHPATH |
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${FFTW_INSTALL_BASE_PATH}/lib |
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/usr/lib/fftw |
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/usr/local/lib/fftw |
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/opt/local/lib |
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) |
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|
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if(USE_FFTWD) |
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mark_as_advanced(FFTWD_LIB) |
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find_library(FFTWD_LIB fftw3 ${FFTW_LIB_SEARCHPATH}) #Double Precision Lib |
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find_library(FFTWD_THREADS_LIB fftw3_threads ${FFTW_LIB_SEARCHPATH}) #Double Precision Lib only if compiled with threads support |
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|
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if(FFTWD_LIB) |
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set(FFTWD_FOUND 1) |
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get_filename_component(FFTW_LIBDIR ${FFTWD_LIB} PATH) |
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if(FFTWD_THREADS_LIB) |
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set(FFTWD_LIB ${FFTWD_LIB} ${FFTWD_THREADS_LIB} ) |
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endif(FFTWD_THREADS_LIB) |
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endif(FFTWD_LIB) |
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endif(USE_FFTWD) |
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|
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if(USE_FFTWF) |
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mark_as_advanced(FFTWF_LIB) |
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find_library(FFTWF_LIB fftw3f ${FFTW_LIB_SEARCHPATH}) #Single Precision Lib |
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find_library(FFTWF_THREADS_LIB fftw3f_threads ${FFTW_LIB_SEARCHPATH}) #Single Precision Lib only if compiled with threads support |
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|
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if(FFTWF_LIB) |
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set(FFTWF_FOUND 1) |
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get_filename_component(FFTW_LIBDIR ${FFTWF_LIB} PATH) |
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if(FFTWF_THREADS_LIB) |
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set(FFTWF_LIB ${FFTWF_LIB} ${FFTWF_THREADS_LIB} ) |
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endif(FFTWF_THREADS_LIB) |
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endif(FFTWF_LIB) |
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endif(USE_FFTWF) |
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|
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endif(USE_FFTWD OR USE_FFTWF) |
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> |
# - Find FFTW |
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> |
# Find the native FFTW includes and library |
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# This module defines |
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# FFTW_INCLUDE_DIR, where to find fftw3.h, etc. |
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# FFTW_LIBRARIES, the libraries needed to use FFTW. |
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# FFTW_FOUND, If false, do not try to use FFTW. |
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# also defined, but not for general use are |
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# FFTW_LIBRARY, where to find the FFTW library. |
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> |
|
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FIND_PATH(FFTW_INCLUDE_DIR fftw3.h |
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/usr/local/include |
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> |
/usr/include |
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/opt/local/lib |
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) |
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> |
|
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> |
SET(FFTW_NAMES ${FFTW_NAMES} fftw3 fftw3f fftw3-3) |
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FIND_LIBRARY(FFTW_LIBRARY |
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NAMES ${FFTW_NAMES} |
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PATHS /usr/lib /usr/local/lib /opt/local/lib |
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) |
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|
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# Find threads part of FFTW |
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|
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SET(FFTW_THREADS_NAMES ${FFTW_THREADS_NAMES} fftw3f_threads fftw3_threads fftw3-3_threads) |
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FIND_LIBRARY(FFTW_THREADS_LIBRARY |
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NAMES ${FFTW_THREADS_NAMES} |
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PATHS /usr/lib /usr/local/lib /opt/local/lib |
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) |
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> |
|
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IF (FFTW_THREADS_LIBRARY AND FFTW_INCLUDE_DIR) |
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SET(FFTW_THREADS_LIBRARIES ${FFTW_THREADS_LIBRARY}) |
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SET(FFTW_THREADS_FOUND "YES") |
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ELSE (FFTW_THREADS_LIBRARY AND FFTW_INCLUDE_DIR) |
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SET(FFTW_THREADS_FOUND "NO") |
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ENDIF (FFTW_THREADS_LIBRARY AND FFTW_INCLUDE_DIR) |
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> |
|
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> |
|
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IF (FFTW_THREADS_FOUND) |
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IF (NOT FFTW_THREADS_FIND_QUIETLY) |
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MESSAGE(STATUS "Found FFTW threads: ${FFTW_THREADS_LIBRARIES}") |
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ENDIF (NOT FFTW_THREADS_FIND_QUIETLY) |
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ELSE (FFTW_THREADS_FOUND) |
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IF (FFTW_THREADS_FIND_REQUIRED) |
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MESSAGE(FATAL_ERROR "Could not find FFTW threads library") |
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ENDIF (FFTW_THREADS_FIND_REQUIRED) |
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ENDIF (FFTW_THREADS_FOUND) |
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> |
|
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> |
|
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> |
IF (FFTW_LIBRARY AND FFTW_INCLUDE_DIR) |
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> |
SET(FFTW_LIBRARIES ${FFTW_LIBRARY}) |
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SET(FFTW_FOUND "YES") |
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ELSE (FFTW_LIBRARY AND FFTW_INCLUDE_DIR) |
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SET(FFTW_FOUND "NO") |
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ENDIF (FFTW_LIBRARY AND FFTW_INCLUDE_DIR) |
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> |
|
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> |
|
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> |
IF (FFTW_FOUND) |
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> |
IF (NOT FFTW_FIND_QUIETLY) |
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MESSAGE(STATUS "Found FFTW: ${FFTW_LIBRARIES}") |
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ENDIF (NOT FFTW_FIND_QUIETLY) |
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ELSE (FFTW_FOUND) |
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> |
IF (FFTW_FIND_REQUIRED) |
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MESSAGE(FATAL_ERROR "Could not find FFTW library") |
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ENDIF (FFTW_FIND_REQUIRED) |
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> |
ENDIF (FFTW_FOUND) |
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> |
|
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> |
SET (ON_UNIX ${CMAKE_SYSTEM_NAME} STREQUAL "Linux" OR |
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> |
${CMAKE_SYSTEM_NAME} STREQUAL "Darwin") |
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> |
IF (${ON_UNIX}) |
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> |
SET (FFTW_EXECUTABLE_LIBRARIES fftw3f fftw3f_threads) |
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> |
ENDIF (${ON_UNIX}) |
