myx-cmake/MyxCMake/functions/MyxCMakeHighPrecisionMath.cmake

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function myx_cmake_enable_high_precision_math()
find_package(Quadmath)
if(QUADMATH_FOUND)
add_definitions(-DHAVE_QUADMATH=1)
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else()
find_package(MPFR)
if(MPFR_FOUND)
find_package(MPFRCppThirdparty)
else()
message(FATAL_ERROR "Nor Quadmath, nor MPFR found.")
endif()
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endif()
endfunction()