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CMAKE_MINIMUM_REQUIRED(VERSION 2.8.12 FATAL_ERROR)
INCLUDE(GNUInstallDirs)
# ---[ Project
PROJECT(FP16 C CXX)
# ---[ Options.
OPTION(FP16_BUILD_TESTS "Build FP16 unit tests" ON)
OPTION(FP16_BUILD_BENCHMARKS "Build FP16 micro-benchmarks" ON)
# ---[ CMake options
IF(FP16_BUILD_TESTS)
ENABLE_TESTING()
ENDIF()
MACRO(FP16_TARGET_ENABLE_CXX11 target)
IF(${CMAKE_VERSION} VERSION_LESS "3.1")
IF(NOT MSVC)
TARGET_COMPILE_OPTIONS(${target} PRIVATE -std=c++11)
ENDIF()
ELSE()
SET_TARGET_PROPERTIES(${target} PROPERTIES
CXX_STANDARD 11
CXX_STANDARD_REQUIRED YES
CXX_EXTENSIONS YES)
ENDIF()
ENDMACRO()
# ---[ Download deps
SET(CONFU_DEPENDENCIES_SOURCE_DIR ${CMAKE_SOURCE_DIR}/deps
CACHE PATH "Confu-style dependencies source directory")
SET(CONFU_DEPENDENCIES_BINARY_DIR ${CMAKE_BINARY_DIR}/deps
CACHE PATH "Confu-style dependencies binary directory")
IF(NOT DEFINED PSIMD_SOURCE_DIR)
MESSAGE(STATUS "Downloading PSimd to ${CONFU_DEPENDENCIES_SOURCE_DIR}/psimd (define PSIMD_SOURCE_DIR to avoid it)")
CONFIGURE_FILE(cmake/DownloadPSimd.cmake "${CONFU_DEPENDENCIES_BINARY_DIR}/psimd-download/CMakeLists.txt")
EXECUTE_PROCESS(COMMAND "${CMAKE_COMMAND}" -G "${CMAKE_GENERATOR}" .
WORKING_DIRECTORY "${CONFU_DEPENDENCIES_BINARY_DIR}/psimd-download")
EXECUTE_PROCESS(COMMAND "${CMAKE_COMMAND}" --build .
WORKING_DIRECTORY "${CONFU_DEPENDENCIES_BINARY_DIR}/psimd-download")
SET(PSIMD_SOURCE_DIR "${CONFU_DEPENDENCIES_SOURCE_DIR}/psimd" CACHE STRING "PSimd source directory")
ENDIF()
IF(FP16_BUILD_TESTS AND NOT DEFINED GOOGLETEST_SOURCE_DIR)
MESSAGE(STATUS "Downloading Google Test to ${CONFU_DEPENDENCIES_SOURCE_DIR}/googletest (define GOOGLETEST_SOURCE_DIR to avoid it)")
CONFIGURE_FILE(cmake/DownloadGoogleTest.cmake "${CONFU_DEPENDENCIES_BINARY_DIR}/googletest-download/CMakeLists.txt")
EXECUTE_PROCESS(COMMAND "${CMAKE_COMMAND}" -G "${CMAKE_GENERATOR}" .
WORKING_DIRECTORY "${CONFU_DEPENDENCIES_BINARY_DIR}/googletest-download")
EXECUTE_PROCESS(COMMAND "${CMAKE_COMMAND}" --build .
WORKING_DIRECTORY "${CONFU_DEPENDENCIES_BINARY_DIR}/googletest-download")
SET(GOOGLETEST_SOURCE_DIR "${CONFU_DEPENDENCIES_SOURCE_DIR}/googletest" CACHE STRING "Google Test source directory")
ENDIF()
IF(FP16_BUILD_BENCHMARKS AND NOT DEFINED GOOGLEBENCHMARK_SOURCE_DIR)
MESSAGE(STATUS "Downloading Google Benchmark to ${CONFU_DEPENDENCIES_SOURCE_DIR}/googlebenchmark (define GOOGLEBENCHMARK_SOURCE_DIR to avoid it)")
CONFIGURE_FILE(cmake/DownloadGoogleBenchmark.cmake "${CONFU_DEPENDENCIES_BINARY_DIR}/googlebenchmark-download/CMakeLists.txt")
EXECUTE_PROCESS(COMMAND "${CMAKE_COMMAND}" -G "${CMAKE_GENERATOR}" .
WORKING_DIRECTORY "${CONFU_DEPENDENCIES_BINARY_DIR}/googlebenchmark-download")
EXECUTE_PROCESS(COMMAND "${CMAKE_COMMAND}" --build .
WORKING_DIRECTORY "${CONFU_DEPENDENCIES_BINARY_DIR}/googlebenchmark-download")
SET(GOOGLEBENCHMARK_SOURCE_DIR "${CONFU_DEPENDENCIES_SOURCE_DIR}/googlebenchmark" CACHE STRING "Google Benchmark source directory")
ENDIF()
# ---[ FP16 library
IF(${CMAKE_VERSION} VERSION_LESS "3.0")
ADD_LIBRARY(fp16 STATIC
include/fp16.h
include/fp16/fp16.h
include/fp16/bitcasts.h
include/fp16/psimd.h)
SET_TARGET_PROPERTIES(fp16 PROPERTIES LINKER_LANGUAGE C)
ELSE()
ADD_LIBRARY(fp16 INTERFACE)
ENDIF()
TARGET_INCLUDE_DIRECTORIES(fp16 INTERFACE
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
$<INSTALL_INTERFACE:include>)
INSTALL(FILES include/fp16.h
DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
INSTALL(FILES
include/fp16/bitcasts.h
include/fp16/fp16.h
include/fp16/psimd.h
include/fp16/__init__.py
include/fp16/avx.py
include/fp16/avx2.py
DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/fp16)
# ---[ Configure psimd
IF(NOT TARGET psimd)
ADD_SUBDIRECTORY(
"${PSIMD_SOURCE_DIR}"
"${CONFU_DEPENDENCIES_BINARY_DIR}/psimd")
ENDIF()
IF(FP16_BUILD_TESTS)
# ---[ Build google test
IF(NOT TARGET gtest)
SET(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
ADD_SUBDIRECTORY(
"${GOOGLETEST_SOURCE_DIR}"
"${CONFU_DEPENDENCIES_BINARY_DIR}/googletest")
ENDIF()
# ---[ Build FP16 unit tests
ADD_EXECUTABLE(ieee-to-fp32-bits-test test/ieee-to-fp32-bits.cc test/tables.cc)
TARGET_INCLUDE_DIRECTORIES(ieee-to-fp32-bits-test PRIVATE test)
TARGET_LINK_LIBRARIES(ieee-to-fp32-bits-test fp16 gtest gtest_main)
ADD_TEST(ieee-to-fp32-bits ieee-to-fp32-bits-test)
ADD_EXECUTABLE(ieee-to-fp32-value-test test/ieee-to-fp32-value.cc test/tables.cc)
TARGET_INCLUDE_DIRECTORIES(ieee-to-fp32-value-test PRIVATE test)
TARGET_LINK_LIBRARIES(ieee-to-fp32-value-test fp16 gtest gtest_main)
ADD_TEST(ieee-to-fp32-value ieee-to-fp32-value-test)
ADD_EXECUTABLE(ieee-from-fp32-value-test test/ieee-from-fp32-value.cc test/tables.cc)
TARGET_INCLUDE_DIRECTORIES(ieee-from-fp32-value-test PRIVATE test)
TARGET_LINK_LIBRARIES(ieee-from-fp32-value-test fp16 gtest gtest_main)
ADD_TEST(ieee-from-fp32-value ieee-from-fp32-value-test)
ADD_EXECUTABLE(alt-to-fp32-bits-test test/alt-to-fp32-bits.cc test/tables.cc)
TARGET_INCLUDE_DIRECTORIES(alt-to-fp32-bits-test PRIVATE test)
TARGET_LINK_LIBRARIES(alt-to-fp32-bits-test fp16 gtest gtest_main)
ADD_TEST(alt-to-fp32-bits alt-to-fp32-bits-test)
ADD_EXECUTABLE(alt-to-fp32-value-test test/alt-to-fp32-value.cc test/tables.cc)
TARGET_INCLUDE_DIRECTORIES(alt-to-fp32-value-test PRIVATE test)
TARGET_LINK_LIBRARIES(alt-to-fp32-value-test fp16 gtest gtest_main)
ADD_TEST(alt-to-fp32-value alt-to-fp32-value-test)
ADD_EXECUTABLE(alt-from-fp32-value-test test/alt-from-fp32-value.cc test/tables.cc)
TARGET_INCLUDE_DIRECTORIES(alt-from-fp32-value-test PRIVATE test)
TARGET_LINK_LIBRARIES(alt-from-fp32-value-test fp16 gtest gtest_main)
ADD_TEST(alt-from-fp32-value alt-from-fp32-value-test)
ADD_EXECUTABLE(bitcasts-test test/bitcasts.cc)
TARGET_LINK_LIBRARIES(bitcasts-test fp16 gtest gtest_main)
ADD_TEST(bitcasts bitcasts-test)
ENDIF()
IF(FP16_BUILD_BENCHMARKS)
# ---[ Build google benchmark
IF(NOT TARGET benchmark)
SET(BENCHMARK_ENABLE_TESTING OFF CACHE BOOL "")
ADD_SUBDIRECTORY(
"${GOOGLEBENCHMARK_SOURCE_DIR}"
"${CONFU_DEPENDENCIES_BINARY_DIR}/googlebenchmark")
ENDIF()
# ---[ Build FP16 benchmarks
ADD_EXECUTABLE(ieee-element-bench bench/ieee-element.cc)
TARGET_COMPILE_DEFINITIONS(ieee-element-bench PRIVATE FP16_COMPARATIVE_BENCHMARKS=1)
TARGET_INCLUDE_DIRECTORIES(ieee-element-bench PRIVATE ${PROJECT_SOURCE_DIR})
TARGET_LINK_LIBRARIES(ieee-element-bench fp16 psimd benchmark)
ADD_EXECUTABLE(alt-element-bench bench/alt-element.cc)
TARGET_LINK_LIBRARIES(alt-element-bench fp16 psimd benchmark)
ADD_EXECUTABLE(from-ieee-array-bench bench/from-ieee-array.cc)
FP16_TARGET_ENABLE_CXX11(from-ieee-array-bench)
TARGET_COMPILE_DEFINITIONS(from-ieee-array-bench PRIVATE FP16_COMPARATIVE_BENCHMARKS=1)
TARGET_INCLUDE_DIRECTORIES(from-ieee-array-bench PRIVATE ${PROJECT_SOURCE_DIR})
TARGET_LINK_LIBRARIES(from-ieee-array-bench fp16 psimd benchmark)
ADD_EXECUTABLE(from-alt-array-bench bench/from-alt-array.cc)
FP16_TARGET_ENABLE_CXX11(from-alt-array-bench)
TARGET_LINK_LIBRARIES(from-alt-array-bench fp16 psimd benchmark)
ADD_EXECUTABLE(to-ieee-array-bench bench/to-ieee-array.cc)
FP16_TARGET_ENABLE_CXX11(to-ieee-array-bench)
TARGET_COMPILE_DEFINITIONS(to-ieee-array-bench PRIVATE FP16_COMPARATIVE_BENCHMARKS=1)
TARGET_INCLUDE_DIRECTORIES(to-ieee-array-bench PRIVATE ${PROJECT_SOURCE_DIR})
TARGET_LINK_LIBRARIES(to-ieee-array-bench fp16 psimd benchmark)
ADD_EXECUTABLE(to-alt-array-bench bench/to-alt-array.cc)
FP16_TARGET_ENABLE_CXX11(to-alt-array-bench)
TARGET_LINK_LIBRARIES(to-alt-array-bench fp16 psimd benchmark)
ENDIF()
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