41 lines
851 B
CMake
41 lines
851 B
CMake
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function(enable_high_precision_math)
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set(options QUAD MPFR)
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set(oneValueArgs)
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set(multiValueArgs)
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cmake_parse_arguments(_PKG "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
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if(MPFR AND QUAD)
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message(FATAL_ERROR "Mutually exclusive options QUAD and MPFR")
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endif()
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if(MPFR)
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find_package(MPFR)
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if(MPFR_FOUND)
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find_package(MPFRCppThirdparty)
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endif()
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return()
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endif()
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if(QUAD)
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find_package(Quadmath)
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if(QUADMATH_FOUND)
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add_definitions(-DHAVE_QUADMATH=1)
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endif()
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return()
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endif()
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# Default
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find_package(Quadmath)
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if(QUADMATH_FOUND)
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add_definitions(-DHAVE_QUADMATH=1)
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else()
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find_package(MPFR)
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if(MPFR_FOUND)
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find_package(MPFRCppThirdparty)
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else()
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message(FATAL_ERROR "Nor Quadmath, nor MPFR found.")
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endif()
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endif()
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endfunction()
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