ViewDesignEngine
8ae4b86e08
新增: - include/vde/foundation/exact_predicates_gmp.h: GMP 精确谓词 - orient_2d/3d, in_circle 完全精确（mpq_class 有理数） - 零舍入误差，任意精度 - include/vde/foundation/predicates.h: 统一谓词接口 - Predicates<T> 编译期选择后端 - VDE_USE_GMP=ON → GMP, OFF → 自适应 double - 便捷函数: orient(), in_circle() - cmake/FindGMP.cmake: GMP 查找模块 - CMake: -DVDE_USE_GMP=ON 启用 GMP 精确模式 - AdaptiveDouble 包装器: 统一后端接口 使用: cmake -DVDE_USE_GMP=ON .. # 完全精确模式
17 lines
575 B
CMake
17 lines
575 B
CMake
find_path(GMP_INCLUDE_DIR gmp.h
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PATHS /usr/include /usr/include/x86_64-linux-gnu
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)
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find_library(GMP_LIBRARY NAMES gmp libgmp
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PATHS /usr/lib /usr/lib/x86_64-linux-gnu
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)
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find_library(GMPXX_LIBRARY NAMES gmpxx libgmpxx
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PATHS /usr/lib /usr/lib/x86_64-linux-gnu
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)
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(GMP DEFAULT_MSG GMP_LIBRARY GMP_INCLUDE_DIR)
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if(GMP_FOUND)
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set(GMP_LIBRARIES ${GMPXX_LIBRARY} ${GMP_LIBRARY})
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set(GMP_INCLUDE_DIRS ${GMP_INCLUDE_DIR})
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mark_as_advanced(GMP_INCLUDE_DIR GMP_LIBRARY GMPXX_LIBRARY)
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endif()
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