INCLUDE(ExternalProject) SET(EIGEN_SOURCE_DIR ${THIRD_PARTY_PATH}/eigen3) SET(EIGEN_INCLUDE_DIR ${EIGEN_SOURCE_DIR}/src/extern_eigen3) INCLUDE_DIRECTORIES(${EIGEN_INCLUDE_DIR}) if(NOT WITH_FAST_MATH) # EIGEN_FAST_MATH: https://eigen.tuxfamily.org/dox/TopicPreprocessorDirectives.html # enables some optimizations which might affect the accuracy of the result. # This currently enables the SSE vectorization of sin() and cos(), # and speedups sqrt() for single precision. # Defined to 1 by default. Define it to 0 to disable. add_definitions(-DEIGEN_FAST_MATH=0) endif() if(WIN32) set(EIGEN_GIT_REPOSITORY https://github.com/wopeizl/eigen-git-mirror) set(EIGEN_GIT_TAG support_cuda9_win) else() set(EIGEN_GIT_REPOSITORY https://github.com/eigenteam/eigen-git-mirror) set(EIGEN_GIT_TAG 917060c364181f33a735dc023818d5a54f60e54c) endif() if(WITH_AMD_GPU) ExternalProject_Add( extern_eigen3 ${EXTERNAL_PROJECT_LOG_ARGS} GIT_REPOSITORY "https://github.com/sabreshao/hipeigen.git" GIT_TAG 7cb2b6e5a4b4a1efe658abb215cd866c6fb2275e PREFIX ${EIGEN_SOURCE_DIR} UPDATE_COMMAND "" CONFIGURE_COMMAND "" BUILD_COMMAND "" INSTALL_COMMAND "" TEST_COMMAND "" ) else() ExternalProject_Add( extern_eigen3 ${EXTERNAL_PROJECT_LOG_ARGS} GIT_REPOSITORY "${EIGEN_GIT_REPOSITORY}" # eigen on cuda9.1 missing header of math_funtions.hpp # https://stackoverflow.com/questions/43113508/math-functions-hpp-not-found-when-using-cuda-with-eigen GIT_TAG ${EIGEN_GIT_TAG} PREFIX ${EIGEN_SOURCE_DIR} DOWNLOAD_NAME "eigen" UPDATE_COMMAND "" CONFIGURE_COMMAND "" BUILD_COMMAND "" INSTALL_COMMAND "" TEST_COMMAND "" ) endif() if (${CMAKE_VERSION} VERSION_LESS "3.3.0") set(dummyfile ${CMAKE_CURRENT_BINARY_DIR}/eigen3_dummy.c) file(WRITE ${dummyfile} "const char *dummy_eigen3 = \"${dummyfile}\";") add_library(eigen3 STATIC ${dummyfile}) else() add_library(eigen3 INTERFACE) endif() add_dependencies(eigen3 extern_eigen3)