Files
lammps/cmake/Modules/Packages/KSPACE.cmake
2019-06-09 21:37:34 -04:00

39 lines
1.2 KiB
CMake

if(PKG_KSPACE)
option(FFT_SINGLE "Use single precision FFT instead of double" OFF)
set(FFTW "FFTW3")
if(FFT_SINGLE)
set(FFTW "FFTW3F")
add_definitions(-DFFT_SINGLE)
endif()
find_package(${FFTW} QUIET)
if(${FFTW}_FOUND)
set(FFT "${FFTW}" CACHE STRING "FFT library for KSPACE package")
else()
set(FFT "KISS" CACHE STRING "FFT library for KSPACE package")
endif()
set(FFT_VALUES KISS ${FFTW} MKL)
set_property(CACHE FFT PROPERTY STRINGS ${FFT_VALUES})
validate_option(FFT FFT_VALUES)
string(TOUPPER ${FFT} FFT)
if(NOT FFT STREQUAL "KISS")
find_package(${FFT} REQUIRED)
if(NOT FFT STREQUAL "FFTW3F")
add_definitions(-DFFT_FFTW)
else()
add_definitions(-DFFT_${FFT})
endif()
include_directories(${${FFT}_INCLUDE_DIRS})
list(APPEND LAMMPS_LINK_LIBS ${${FFT}_LIBRARIES})
else()
add_definitions(-DFFT_KISS)
endif()
set(FFT_PACK "array" CACHE STRING "Optimization for FFT")
set(FFT_PACK_VALUES array pointer memcpy)
set_property(CACHE FFT_PACK PROPERTY STRINGS ${FFT_PACK_VALUES})
validate_option(FFT_PACK FFT_PACK_VALUES)
if(NOT FFT_PACK STREQUAL "array")
string(TOUPPER ${FFT_PACK} FFT_PACK)
add_definitions(-DFFT_PACK_${FFT_PACK})
endif()
endif()