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author | LaG1924 <12997935+LaG1924@users.noreply.github.com> | 2018-01-13 03:51:33 +0100 |
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committer | LaG1924 <12997935+LaG1924@users.noreply.github.com> | 2018-01-13 03:51:34 +0100 |
commit | 6f67371bb1b46579ae837d0e0c61ac1b291be743 (patch) | |
tree | 5a43692a064d84e5c5688b1b3639342555139c3c /depedencies/include/glm/detail/func_integer.inl | |
parent | Backported to C++14 (diff) | |
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Diffstat (limited to 'depedencies/include/glm/detail/func_integer.inl')
-rw-r--r-- | depedencies/include/glm/detail/func_integer.inl | 368 |
1 files changed, 0 insertions, 368 deletions
diff --git a/depedencies/include/glm/detail/func_integer.inl b/depedencies/include/glm/detail/func_integer.inl deleted file mode 100644 index 25910eb..0000000 --- a/depedencies/include/glm/detail/func_integer.inl +++ /dev/null @@ -1,368 +0,0 @@ -/// @ref core -/// @file glm/detail/func_integer.inl - -#include "type_vec2.hpp" -#include "type_vec3.hpp" -#include "type_vec4.hpp" -#include "type_int.hpp" -#include "_vectorize.hpp" -#if(GLM_ARCH & GLM_ARCH_X86 && GLM_COMPILER & GLM_COMPILER_VC) -# include <intrin.h> -# pragma intrinsic(_BitScanReverse) -#endif//(GLM_ARCH & GLM_ARCH_X86 && GLM_COMPILER & GLM_COMPILER_VC) -#include <limits> - -#if !GLM_HAS_EXTENDED_INTEGER_TYPE -# if GLM_COMPILER & GLM_COMPILER_GCC -# pragma GCC diagnostic ignored "-Wlong-long" -# endif -# if (GLM_COMPILER & GLM_COMPILER_CLANG) -# pragma clang diagnostic ignored "-Wc++11-long-long" -# endif -#endif - -namespace glm{ -namespace detail -{ - template <typename T> - GLM_FUNC_QUALIFIER T mask(T Bits) - { - return Bits >= sizeof(T) * 8 ? ~static_cast<T>(0) : (static_cast<T>(1) << Bits) - static_cast<T>(1); - } - - template <typename T, glm::precision P, template <typename, glm::precision> class vecType, bool Aligned, bool EXEC> - struct compute_bitfieldReverseStep - { - GLM_FUNC_QUALIFIER static vecType<T, P> call(vecType<T, P> const & v, T, T) - { - return v; - } - }; - - template <typename T, glm::precision P, template <typename, glm::precision> class vecType, bool Aligned> - struct compute_bitfieldReverseStep<T, P, vecType, Aligned, true> - { - GLM_FUNC_QUALIFIER static vecType<T, P> call(vecType<T, P> const & v, T Mask, T Shift) - { - return (v & Mask) << Shift | (v & (~Mask)) >> Shift; - } - }; - - template <typename T, glm::precision P, template <typename, glm::precision> class vecType, bool Aligned, bool EXEC> - struct compute_bitfieldBitCountStep - { - GLM_FUNC_QUALIFIER static vecType<T, P> call(vecType<T, P> const & v, T, T) - { - return v; - } - }; - - template <typename T, glm::precision P, template <typename, glm::precision> class vecType, bool Aligned> - struct compute_bitfieldBitCountStep<T, P, vecType, Aligned, true> - { - GLM_FUNC_QUALIFIER static vecType<T, P> call(vecType<T, P> const & v, T Mask, T Shift) - { - return (v & Mask) + ((v >> Shift) & Mask); - } - }; - - template <typename genIUType, size_t Bits> - struct compute_findLSB - { - GLM_FUNC_QUALIFIER static int call(genIUType Value) - { - if(Value == 0) - return -1; - - return glm::bitCount(~Value & (Value - static_cast<genIUType>(1))); - } - }; - -# if GLM_HAS_BITSCAN_WINDOWS - template <typename genIUType> - struct compute_findLSB<genIUType, 32> - { - GLM_FUNC_QUALIFIER static int call(genIUType Value) - { - unsigned long Result(0); - unsigned char IsNotNull = _BitScanForward(&Result, *reinterpret_cast<unsigned long*>(&Value)); - return IsNotNull ? int(Result) : -1; - } - }; - -# if !((GLM_COMPILER & GLM_COMPILER_VC) && (GLM_MODEL == GLM_MODEL_32)) - template <typename genIUType> - struct compute_findLSB<genIUType, 64> - { - GLM_FUNC_QUALIFIER static int call(genIUType Value) - { - unsigned long Result(0); - unsigned char IsNotNull = _BitScanForward64(&Result, *reinterpret_cast<unsigned __int64*>(&Value)); - return IsNotNull ? int(Result) : -1; - } - }; -# endif -# endif//GLM_HAS_BITSCAN_WINDOWS - - template <typename T, glm::precision P, template <class, glm::precision> class vecType, bool EXEC = true> - struct compute_findMSB_step_vec - { - GLM_FUNC_QUALIFIER static vecType<T, P> call(vecType<T, P> const & x, T Shift) - { - return x | (x >> Shift); - } - }; - - template <typename T, glm::precision P, template <typename, glm::precision> class vecType> - struct compute_findMSB_step_vec<T, P, vecType, false> - { - GLM_FUNC_QUALIFIER static vecType<T, P> call(vecType<T, P> const & x, T) - { - return x; - } - }; - - template <typename T, glm::precision P, template <typename, glm::precision> class vecType, int> - struct compute_findMSB_vec - { - GLM_FUNC_QUALIFIER static vecType<int, P> call(vecType<T, P> const & vec) - { - vecType<T, P> x(vec); - x = compute_findMSB_step_vec<T, P, vecType, sizeof(T) * 8 >= 8>::call(x, static_cast<T>( 1)); - x = compute_findMSB_step_vec<T, P, vecType, sizeof(T) * 8 >= 8>::call(x, static_cast<T>( 2)); - x = compute_findMSB_step_vec<T, P, vecType, sizeof(T) * 8 >= 8>::call(x, static_cast<T>( 4)); - x = compute_findMSB_step_vec<T, P, vecType, sizeof(T) * 8 >= 16>::call(x, static_cast<T>( 8)); - x = compute_findMSB_step_vec<T, P, vecType, sizeof(T) * 8 >= 32>::call(x, static_cast<T>(16)); - x = compute_findMSB_step_vec<T, P, vecType, sizeof(T) * 8 >= 64>::call(x, static_cast<T>(32)); - return vecType<int, P>(sizeof(T) * 8 - 1) - glm::bitCount(~x); - } - }; - -# if GLM_HAS_BITSCAN_WINDOWS - template <typename genIUType> - GLM_FUNC_QUALIFIER int compute_findMSB_32(genIUType Value) - { - unsigned long Result(0); - unsigned char IsNotNull = _BitScanReverse(&Result, *reinterpret_cast<unsigned long*>(&Value)); - return IsNotNull ? int(Result) : -1; - } - - template <typename T, glm::precision P, template<typename, glm::precision> class vecType> - struct compute_findMSB_vec<T, P, vecType, 32> - { - GLM_FUNC_QUALIFIER static vecType<int, P> call(vecType<T, P> const & x) - { - return detail::functor1<int, T, P, vecType>::call(compute_findMSB_32, x); - } - }; - -# if !((GLM_COMPILER & GLM_COMPILER_VC) && (GLM_MODEL == GLM_MODEL_32)) - template <typename genIUType> - GLM_FUNC_QUALIFIER int compute_findMSB_64(genIUType Value) - { - unsigned long Result(0); - unsigned char IsNotNull = _BitScanReverse64(&Result, *reinterpret_cast<unsigned __int64*>(&Value)); - return IsNotNull ? int(Result) : -1; - } - - template <typename T, glm::precision P, template <class, glm::precision> class vecType> - struct compute_findMSB_vec<T, P, vecType, 64> - { - GLM_FUNC_QUALIFIER static vecType<int, P> call(vecType<T, P> const & x) - { - return detail::functor1<int, T, P, vecType>::call(compute_findMSB_64, x); - } - }; -# endif -# endif//GLM_HAS_BITSCAN_WINDOWS -}//namespace detail - - // uaddCarry - GLM_FUNC_QUALIFIER uint uaddCarry(uint const & x, uint const & y, uint & Carry) - { - uint64 const Value64(static_cast<uint64>(x) + static_cast<uint64>(y)); - uint64 const Max32((static_cast<uint64>(1) << static_cast<uint64>(32)) - static_cast<uint64>(1)); - Carry = Value64 > Max32 ? 1u : 0u; - return static_cast<uint32>(Value64 % (Max32 + static_cast<uint64>(1))); - } - - template <precision P, template <typename, precision> class vecType> - GLM_FUNC_QUALIFIER vecType<uint, P> uaddCarry(vecType<uint, P> const & x, vecType<uint, P> const & y, vecType<uint, P> & Carry) - { - vecType<uint64, P> Value64(vecType<uint64, P>(x) + vecType<uint64, P>(y)); - vecType<uint64, P> Max32((static_cast<uint64>(1) << static_cast<uint64>(32)) - static_cast<uint64>(1)); - Carry = mix(vecType<uint32, P>(0), vecType<uint32, P>(1), greaterThan(Value64, Max32)); - return vecType<uint32,P>(Value64 % (Max32 + static_cast<uint64>(1))); - } - - // usubBorrow - GLM_FUNC_QUALIFIER uint usubBorrow(uint const & x, uint const & y, uint & Borrow) - { - GLM_STATIC_ASSERT(sizeof(uint) == sizeof(uint32), "uint and uint32 size mismatch"); - - Borrow = x >= y ? static_cast<uint32>(0) : static_cast<uint32>(1); - if(y >= x) - return y - x; - else - return static_cast<uint32>((static_cast<int64>(1) << static_cast<int64>(32)) + (static_cast<int64>(y) - static_cast<int64>(x))); - } - - template <precision P, template <typename, precision> class vecType> - GLM_FUNC_QUALIFIER vecType<uint, P> usubBorrow(vecType<uint, P> const & x, vecType<uint, P> const & y, vecType<uint, P> & Borrow) - { - Borrow = mix(vecType<uint, P>(1), vecType<uint, P>(0), greaterThanEqual(x, y)); - vecType<uint, P> const YgeX(y - x); - vecType<uint, P> const XgeY(vecType<uint32, P>((static_cast<int64>(1) << static_cast<int64>(32)) + (vecType<int64, P>(y) - vecType<int64, P>(x)))); - return mix(XgeY, YgeX, greaterThanEqual(y, x)); - } - - // umulExtended - GLM_FUNC_QUALIFIER void umulExtended(uint const & x, uint const & y, uint & msb, uint & lsb) - { - GLM_STATIC_ASSERT(sizeof(uint) == sizeof(uint32), "uint and uint32 size mismatch"); - - uint64 Value64 = static_cast<uint64>(x) * static_cast<uint64>(y); - msb = static_cast<uint>(Value64 >> static_cast<uint64>(32)); - lsb = static_cast<uint>(Value64); - } - - template <precision P, template <typename, precision> class vecType> - GLM_FUNC_QUALIFIER void umulExtended(vecType<uint, P> const & x, vecType<uint, P> const & y, vecType<uint, P> & msb, vecType<uint, P> & lsb) - { - GLM_STATIC_ASSERT(sizeof(uint) == sizeof(uint32), "uint and uint32 size mismatch"); - - vecType<uint64, P> Value64(vecType<uint64, P>(x) * vecType<uint64, P>(y)); - msb = vecType<uint32, P>(Value64 >> static_cast<uint64>(32)); - lsb = vecType<uint32, P>(Value64); - } - - // imulExtended - GLM_FUNC_QUALIFIER void imulExtended(int x, int y, int & msb, int & lsb) - { - GLM_STATIC_ASSERT(sizeof(int) == sizeof(int32), "int and int32 size mismatch"); - - int64 Value64 = static_cast<int64>(x) * static_cast<int64>(y); - msb = static_cast<int>(Value64 >> static_cast<int64>(32)); - lsb = static_cast<int>(Value64); - } - - template <precision P, template <typename, precision> class vecType> - GLM_FUNC_QUALIFIER void imulExtended(vecType<int, P> const & x, vecType<int, P> const & y, vecType<int, P> & msb, vecType<int, P> & lsb) - { - GLM_STATIC_ASSERT(sizeof(int) == sizeof(int32), "int and int32 size mismatch"); - - vecType<int64, P> Value64(vecType<int64, P>(x) * vecType<int64, P>(y)); - lsb = vecType<int32, P>(Value64 & static_cast<int64>(0xFFFFFFFF)); - msb = vecType<int32, P>((Value64 >> static_cast<int64>(32)) & static_cast<int64>(0xFFFFFFFF)); - } - - // bitfieldExtract - template <typename genIUType> - GLM_FUNC_QUALIFIER genIUType bitfieldExtract(genIUType Value, int Offset, int Bits) - { - return bitfieldExtract(tvec1<genIUType>(Value), Offset, Bits).x; - } - - template <typename T, precision P, template <typename, precision> class vecType> - GLM_FUNC_QUALIFIER vecType<T, P> bitfieldExtract(vecType<T, P> const & Value, int Offset, int Bits) - { - GLM_STATIC_ASSERT(std::numeric_limits<T>::is_integer, "'bitfieldExtract' only accept integer inputs"); - - return (Value >> static_cast<T>(Offset)) & static_cast<T>(detail::mask(Bits)); - } - - // bitfieldInsert - template <typename genIUType> - GLM_FUNC_QUALIFIER genIUType bitfieldInsert(genIUType const & Base, genIUType const & Insert, int Offset, int Bits) - { - return bitfieldInsert(tvec1<genIUType>(Base), tvec1<genIUType>(Insert), Offset, Bits).x; - } - - template <typename T, precision P, template <typename, precision> class vecType> - GLM_FUNC_QUALIFIER vecType<T, P> bitfieldInsert(vecType<T, P> const & Base, vecType<T, P> const & Insert, int Offset, int Bits) - { - GLM_STATIC_ASSERT(std::numeric_limits<T>::is_integer, "'bitfieldInsert' only accept integer values"); - - T const Mask = static_cast<T>(detail::mask(Bits) << Offset); - return (Base & ~Mask) | (Insert & Mask); - } - - // bitfieldReverse - template <typename genType> - GLM_FUNC_QUALIFIER genType bitfieldReverse(genType x) - { - return bitfieldReverse(glm::tvec1<genType, glm::defaultp>(x)).x; - } - - template <typename T, glm::precision P, template <typename, glm::precision> class vecType> - GLM_FUNC_QUALIFIER vecType<T, P> bitfieldReverse(vecType<T, P> const & v) - { - vecType<T, P> x(v); - x = detail::compute_bitfieldReverseStep<T, P, vecType, detail::is_aligned<P>::value, sizeof(T) * 8>= 2>::call(x, T(0x5555555555555555ull), static_cast<T>( 1)); - x = detail::compute_bitfieldReverseStep<T, P, vecType, detail::is_aligned<P>::value, sizeof(T) * 8>= 4>::call(x, T(0x3333333333333333ull), static_cast<T>( 2)); - x = detail::compute_bitfieldReverseStep<T, P, vecType, detail::is_aligned<P>::value, sizeof(T) * 8>= 8>::call(x, T(0x0F0F0F0F0F0F0F0Full), static_cast<T>( 4)); - x = detail::compute_bitfieldReverseStep<T, P, vecType, detail::is_aligned<P>::value, sizeof(T) * 8>= 16>::call(x, T(0x00FF00FF00FF00FFull), static_cast<T>( 8)); - x = detail::compute_bitfieldReverseStep<T, P, vecType, detail::is_aligned<P>::value, sizeof(T) * 8>= 32>::call(x, T(0x0000FFFF0000FFFFull), static_cast<T>(16)); - x = detail::compute_bitfieldReverseStep<T, P, vecType, detail::is_aligned<P>::value, sizeof(T) * 8>= 64>::call(x, T(0x00000000FFFFFFFFull), static_cast<T>(32)); - return x; - } - - // bitCount - template <typename genType> - GLM_FUNC_QUALIFIER int bitCount(genType x) - { - return bitCount(glm::tvec1<genType, glm::defaultp>(x)).x; - } - - template <typename T, glm::precision P, template <typename, glm::precision> class vecType> - GLM_FUNC_QUALIFIER vecType<int, P> bitCount(vecType<T, P> const & v) - { - vecType<typename detail::make_unsigned<T>::type, P> x(*reinterpret_cast<vecType<typename detail::make_unsigned<T>::type, P> const *>(&v)); - x = detail::compute_bitfieldBitCountStep<typename detail::make_unsigned<T>::type, P, vecType, detail::is_aligned<P>::value, sizeof(T) * 8>= 2>::call(x, typename detail::make_unsigned<T>::type(0x5555555555555555ull), typename detail::make_unsigned<T>::type( 1)); - x = detail::compute_bitfieldBitCountStep<typename detail::make_unsigned<T>::type, P, vecType, detail::is_aligned<P>::value, sizeof(T) * 8>= 4>::call(x, typename detail::make_unsigned<T>::type(0x3333333333333333ull), typename detail::make_unsigned<T>::type( 2)); - x = detail::compute_bitfieldBitCountStep<typename detail::make_unsigned<T>::type, P, vecType, detail::is_aligned<P>::value, sizeof(T) * 8>= 8>::call(x, typename detail::make_unsigned<T>::type(0x0F0F0F0F0F0F0F0Full), typename detail::make_unsigned<T>::type( 4)); - x = detail::compute_bitfieldBitCountStep<typename detail::make_unsigned<T>::type, P, vecType, detail::is_aligned<P>::value, sizeof(T) * 8>= 16>::call(x, typename detail::make_unsigned<T>::type(0x00FF00FF00FF00FFull), typename detail::make_unsigned<T>::type( 8)); - x = detail::compute_bitfieldBitCountStep<typename detail::make_unsigned<T>::type, P, vecType, detail::is_aligned<P>::value, sizeof(T) * 8>= 32>::call(x, typename detail::make_unsigned<T>::type(0x0000FFFF0000FFFFull), typename detail::make_unsigned<T>::type(16)); - x = detail::compute_bitfieldBitCountStep<typename detail::make_unsigned<T>::type, P, vecType, detail::is_aligned<P>::value, sizeof(T) * 8>= 64>::call(x, typename detail::make_unsigned<T>::type(0x00000000FFFFFFFFull), typename detail::make_unsigned<T>::type(32)); - return vecType<int, P>(x); - } - - // findLSB - template <typename genIUType> - GLM_FUNC_QUALIFIER int findLSB(genIUType Value) - { - GLM_STATIC_ASSERT(std::numeric_limits<genIUType>::is_integer, "'findLSB' only accept integer values"); - - return detail::compute_findLSB<genIUType, sizeof(genIUType) * 8>::call(Value); - } - - template <typename T, precision P, template <typename, precision> class vecType> - GLM_FUNC_QUALIFIER vecType<int, P> findLSB(vecType<T, P> const & x) - { - GLM_STATIC_ASSERT(std::numeric_limits<T>::is_integer, "'findLSB' only accept integer values"); - - return detail::functor1<int, T, P, vecType>::call(findLSB, x); - } - - // findMSB - template <typename genIUType> - GLM_FUNC_QUALIFIER int findMSB(genIUType x) - { - GLM_STATIC_ASSERT(std::numeric_limits<genIUType>::is_integer, "'findMSB' only accept integer values"); - - return findMSB(tvec1<genIUType>(x)).x; - } - - template <typename T, precision P, template <typename, precision> class vecType> - GLM_FUNC_QUALIFIER vecType<int, P> findMSB(vecType<T, P> const & x) - { - GLM_STATIC_ASSERT(std::numeric_limits<T>::is_integer, "'findMSB' only accept integer values"); - - return detail::compute_findMSB_vec<T, P, vecType, sizeof(T) * 8>::call(x); - } -}//namespace glm - -#if GLM_ARCH != GLM_ARCH_PURE && GLM_HAS_UNRESTRICTED_UNIONS -# include "func_integer_simd.inl" -#endif - |