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Diffstat (limited to 'external/include/glm/detail/func_common.inl')
| -rw-r--r-- | external/include/glm/detail/func_common.inl | 826 |
1 files changed, 0 insertions, 826 deletions
diff --git a/external/include/glm/detail/func_common.inl b/external/include/glm/detail/func_common.inl deleted file mode 100644 index 8b2d0b0..0000000 --- a/external/include/glm/detail/func_common.inl +++ /dev/null @@ -1,826 +0,0 @@ -/// @ref core -/// @file glm/detail/func_common.inl - -#include "../vector_relational.hpp" -#include "type_vec2.hpp" -#include "type_vec3.hpp" -#include "type_vec4.hpp" -#include "_vectorize.hpp" -#include <limits> - -namespace glm -{ - // min - template<typename genType> - GLM_FUNC_QUALIFIER genType min(genType x, genType y) - { - GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559 || std::numeric_limits<genType>::is_integer || GLM_UNRESTRICTED_GENTYPE, "'min' only accept floating-point or integer inputs"); - return (y < x) ? y : x; - } - - // max - template<typename genType> - GLM_FUNC_QUALIFIER genType max(genType x, genType y) - { - GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559 || std::numeric_limits<genType>::is_integer || GLM_UNRESTRICTED_GENTYPE, "'max' only accept floating-point or integer inputs"); - - return (x < y) ? y : x; - } - - // abs - template<> - GLM_FUNC_QUALIFIER int32 abs(int32 x) - { - int32 const y = x >> 31; - return (x ^ y) - y; - } - - // round -# if GLM_HAS_CXX11_STL - using ::std::round; -# else - template<typename genType> - GLM_FUNC_QUALIFIER genType round(genType x) - { - GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'round' only accept floating-point inputs"); - - return x < static_cast<genType>(0) ? static_cast<genType>(int(x - static_cast<genType>(0.5))) : static_cast<genType>(int(x + static_cast<genType>(0.5))); - } -# endif - - // trunc -# if GLM_HAS_CXX11_STL - using ::std::trunc; -# else - template<typename genType> - GLM_FUNC_QUALIFIER genType trunc(genType x) - { - GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'trunc' only accept floating-point inputs"); - - return x < static_cast<genType>(0) ? -std::floor(-x) : std::floor(x); - } -# endif - -}//namespace glm - -namespace glm{ -namespace detail -{ - template<typename genFIType, bool /*signed*/> - struct compute_abs - {}; - - template<typename genFIType> - struct compute_abs<genFIType, true> - { - GLM_FUNC_QUALIFIER static genFIType call(genFIType x) - { - GLM_STATIC_ASSERT( - std::numeric_limits<genFIType>::is_iec559 || std::numeric_limits<genFIType>::is_signed || GLM_UNRESTRICTED_GENTYPE, - "'abs' only accept floating-point and integer scalar or vector inputs"); - - return x >= genFIType(0) ? x : -x; - // TODO, perf comp with: *(((int *) &x) + 1) &= 0x7fffffff; - } - }; - - #if GLM_COMPILER & GLM_COMPILER_CUDA - template<> - struct compute_abs<float, true> - { - GLM_FUNC_QUALIFIER static float call(float x) - { - return fabsf(x); - } - }; - #endif - - template<typename genFIType> - struct compute_abs<genFIType, false> - { - GLM_FUNC_QUALIFIER static genFIType call(genFIType x) - { - GLM_STATIC_ASSERT( - (!std::numeric_limits<genFIType>::is_signed && std::numeric_limits<genFIType>::is_integer) || GLM_UNRESTRICTED_GENTYPE, - "'abs' only accept floating-point and integer scalar or vector inputs"); - return x; - } - }; - - template<length_t L, typename T, qualifier Q, bool Aligned> - struct compute_abs_vector - { - GLM_FUNC_QUALIFIER static vec<L, T, Q> call(vec<L, T, Q> const& x) - { - return detail::functor1<L, T, T, Q>::call(abs, x); - } - }; - - template<length_t L, typename T, typename U, qualifier Q, bool Aligned> - struct compute_mix_vector - { - GLM_FUNC_QUALIFIER static vec<L, T, Q> call(vec<L, T, Q> const& x, vec<L, T, Q> const& y, vec<L, U, Q> const& a) - { - GLM_STATIC_ASSERT(std::numeric_limits<U>::is_iec559 || GLM_UNRESTRICTED_GENTYPE, "'mix' only accept floating-point inputs for the interpolator a"); - - return vec<L, T, Q>(vec<L, U, Q>(x) + a * vec<L, U, Q>(y - x)); - } - }; - - template<length_t L, typename T, qualifier Q, bool Aligned> - struct compute_mix_vector<L, T, bool, Q, Aligned> - { - GLM_FUNC_QUALIFIER static vec<L, T, Q> call(vec<L, T, Q> const& x, vec<L, T, Q> const& y, vec<L, bool, Q> const& a) - { - vec<L, T, Q> Result; - for(length_t i = 0; i < x.length(); ++i) - Result[i] = a[i] ? y[i] : x[i]; - return Result; - } - }; - - template<length_t L, typename T, typename U, qualifier Q, bool Aligned> - struct compute_mix_scalar - { - GLM_FUNC_QUALIFIER static vec<L, T, Q> call(vec<L, T, Q> const& x, vec<L, T, Q> const& y, U const& a) - { - GLM_STATIC_ASSERT(std::numeric_limits<U>::is_iec559 || GLM_UNRESTRICTED_GENTYPE, "'mix' only accept floating-point inputs for the interpolator a"); - - return vec<L, T, Q>(vec<L, U, Q>(x) + a * vec<L, U, Q>(y - x)); - } - }; - - template<length_t L, typename T, qualifier Q, bool Aligned> - struct compute_mix_scalar<L, T, bool, Q, Aligned> - { - GLM_FUNC_QUALIFIER static vec<L, T, Q> call(vec<L, T, Q> const& x, vec<L, T, Q> const& y, bool const& a) - { - return a ? y : x; - } - }; - - template<typename T, typename U> - struct compute_mix - { - GLM_FUNC_QUALIFIER static T call(T const& x, T const& y, U const& a) - { - GLM_STATIC_ASSERT(std::numeric_limits<U>::is_iec559 || GLM_UNRESTRICTED_GENTYPE, "'mix' only accept floating-point inputs for the interpolator a"); - - return static_cast<T>(static_cast<U>(x) + a * static_cast<U>(y - x)); - } - }; - - template<typename T> - struct compute_mix<T, bool> - { - GLM_FUNC_QUALIFIER static T call(T const& x, T const& y, bool const& a) - { - return a ? y : x; - } - }; - - template<length_t L, typename T, qualifier Q, bool isFloat, bool Aligned> - struct compute_sign - { - GLM_FUNC_QUALIFIER static vec<L, T, Q> call(vec<L, T, Q> const& x) - { - return vec<L, T, Q>(glm::lessThan(vec<L, T, Q>(0), x)) - vec<L, T, Q>(glm::lessThan(x, vec<L, T, Q>(0))); - } - }; - -# if GLM_ARCH == GLM_ARCH_X86 - template<length_t L, typename T, qualifier Q, bool Aligned> - struct compute_sign<L, T, Q, false, Aligned> - { - GLM_FUNC_QUALIFIER static vec<L, T, Q> call(vec<L, T, Q> const& x) - { - T const Shift(static_cast<T>(sizeof(T) * 8 - 1)); - vec<L, T, Q> const y(vec<L, typename make_unsigned<T>::type, Q>(-x) >> typename make_unsigned<T>::type(Shift)); - - return (x >> Shift) | y; - } - }; -# endif - - template<length_t L, typename T, qualifier Q, bool Aligned> - struct compute_floor - { - GLM_FUNC_QUALIFIER static vec<L, T, Q> call(vec<L, T, Q> const& x) - { - return detail::functor1<L, T, T, Q>::call(std::floor, x); - } - }; - - template<length_t L, typename T, qualifier Q, bool Aligned> - struct compute_ceil - { - GLM_FUNC_QUALIFIER static vec<L, T, Q> call(vec<L, T, Q> const& x) - { - return detail::functor1<L, T, T, Q>::call(std::ceil, x); - } - }; - - template<length_t L, typename T, qualifier Q, bool Aligned> - struct compute_fract - { - GLM_FUNC_QUALIFIER static vec<L, T, Q> call(vec<L, T, Q> const& x) - { - return x - floor(x); - } - }; - - template<length_t L, typename T, qualifier Q, bool Aligned> - struct compute_trunc - { - GLM_FUNC_QUALIFIER static vec<L, T, Q> call(vec<L, T, Q> const& x) - { - return detail::functor1<L, T, T, Q>::call(trunc, x); - } - }; - - template<length_t L, typename T, qualifier Q, bool Aligned> - struct compute_round - { - GLM_FUNC_QUALIFIER static vec<L, T, Q> call(vec<L, T, Q> const& x) - { - return detail::functor1<L, T, T, Q>::call(round, x); - } - }; - - template<length_t L, typename T, qualifier Q, bool Aligned> - struct compute_mod - { - GLM_FUNC_QUALIFIER static vec<L, T, Q> call(vec<L, T, Q> const& a, vec<L, T, Q> const& b) - { - GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'mod' only accept floating-point inputs. Include <glm/gtc/integer.hpp> for integer inputs."); - return a - b * floor(a / b); - } - }; - - template<length_t L, typename T, qualifier Q, bool Aligned> - struct compute_min_vector - { - GLM_FUNC_QUALIFIER static vec<L, T, Q> call(vec<L, T, Q> const& x, vec<L, T, Q> const& y) - { - return detail::functor2<L, T, Q>::call(min, x, y); - } - }; - - template<length_t L, typename T, qualifier Q, bool Aligned> - struct compute_max_vector - { - GLM_FUNC_QUALIFIER static vec<L, T, Q> call(vec<L, T, Q> const& x, vec<L, T, Q> const& y) - { - return detail::functor2<L, T, Q>::call(max, x, y); - } - }; - - template<length_t L, typename T, qualifier Q, bool Aligned> - struct compute_clamp_vector - { - GLM_FUNC_QUALIFIER static vec<L, T, Q> call(vec<L, T, Q> const& x, vec<L, T, Q> const& minVal, vec<L, T, Q> const& maxVal) - { - return min(max(x, minVal), maxVal); - } - }; - - template<length_t L, typename T, qualifier Q, bool Aligned> - struct compute_step_vector - { - GLM_FUNC_QUALIFIER static vec<L, T, Q> call(vec<L, T, Q> const& edge, vec<L, T, Q> const& x) - { - return mix(vec<L, T, Q>(1), vec<L, T, Q>(0), glm::lessThan(x, edge)); - } - }; - - template<length_t L, typename T, qualifier Q, bool Aligned> - struct compute_smoothstep_vector - { - GLM_FUNC_QUALIFIER static vec<L, T, Q> call(vec<L, T, Q> const& edge0, vec<L, T, Q> const& edge1, vec<L, T, Q> const& x) - { - GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559 || GLM_UNRESTRICTED_GENTYPE, "'step' only accept floating-point inputs"); - vec<L, T, Q> const tmp(clamp((x - edge0) / (edge1 - edge0), static_cast<T>(0), static_cast<T>(1))); - return tmp * tmp * (static_cast<T>(3) - static_cast<T>(2) * tmp); - } - }; -}//namespace detail - - template<typename genFIType> - GLM_FUNC_QUALIFIER genFIType abs(genFIType x) - { - return detail::compute_abs<genFIType, std::numeric_limits<genFIType>::is_signed>::call(x); - } - - template<length_t L, typename T, qualifier Q> - GLM_FUNC_QUALIFIER vec<L, T, Q> abs(vec<L, T, Q> const& x) - { - return detail::compute_abs_vector<L, T, Q, detail::is_aligned<Q>::value>::call(x); - } - - // sign - // fast and works for any type - template<typename genFIType> - GLM_FUNC_QUALIFIER genFIType sign(genFIType x) - { - GLM_STATIC_ASSERT( - std::numeric_limits<genFIType>::is_iec559 || (std::numeric_limits<genFIType>::is_signed && std::numeric_limits<genFIType>::is_integer), - "'sign' only accept signed inputs"); - - return detail::compute_sign<1, genFIType, defaultp, std::numeric_limits<genFIType>::is_iec559, highp>::call(vec<1, genFIType>(x)).x; - } - - template<length_t L, typename T, qualifier Q> - GLM_FUNC_QUALIFIER vec<L, T, Q> sign(vec<L, T, Q> const& x) - { - GLM_STATIC_ASSERT( - std::numeric_limits<T>::is_iec559 || (std::numeric_limits<T>::is_signed && std::numeric_limits<T>::is_integer), - "'sign' only accept signed inputs"); - - return detail::compute_sign<L, T, Q, std::numeric_limits<T>::is_iec559, detail::is_aligned<Q>::value>::call(x); - } - - // floor - using ::std::floor; - template<length_t L, typename T, qualifier Q> - GLM_FUNC_QUALIFIER vec<L, T, Q> floor(vec<L, T, Q> const& x) - { - GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'floor' only accept floating-point inputs."); - return detail::compute_floor<L, T, Q, detail::is_aligned<Q>::value>::call(x); - } - - template<length_t L, typename T, qualifier Q> - GLM_FUNC_QUALIFIER vec<L, T, Q> trunc(vec<L, T, Q> const& x) - { - GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'trunc' only accept floating-point inputs"); - return detail::compute_trunc<L, T, Q, detail::is_aligned<Q>::value>::call(x); - } - - template<length_t L, typename T, qualifier Q> - GLM_FUNC_QUALIFIER vec<L, T, Q> round(vec<L, T, Q> const& x) - { - GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'round' only accept floating-point inputs"); - return detail::compute_round<L, T, Q, detail::is_aligned<Q>::value>::call(x); - } - -/* - // roundEven - template<typename genType> - GLM_FUNC_QUALIFIER genType roundEven(genType const& x) - { - GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'roundEven' only accept floating-point inputs"); - - return genType(int(x + genType(int(x) % 2))); - } -*/ - - // roundEven - template<typename genType> - GLM_FUNC_QUALIFIER genType roundEven(genType x) - { - GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'roundEven' only accept floating-point inputs"); - - int Integer = static_cast<int>(x); - genType IntegerPart = static_cast<genType>(Integer); - genType FractionalPart = fract(x); - - if(FractionalPart > static_cast<genType>(0.5) || FractionalPart < static_cast<genType>(0.5)) - { - return round(x); - } - else if((Integer % 2) == 0) - { - return IntegerPart; - } - else if(x <= static_cast<genType>(0)) // Work around... - { - return IntegerPart - static_cast<genType>(1); - } - else - { - return IntegerPart + static_cast<genType>(1); - } - //else // Bug on MinGW 4.5.2 - //{ - // return mix(IntegerPart + genType(-1), IntegerPart + genType(1), x <= genType(0)); - //} - } - - template<length_t L, typename T, qualifier Q> - GLM_FUNC_QUALIFIER vec<L, T, Q> roundEven(vec<L, T, Q> const& x) - { - GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'roundEven' only accept floating-point inputs"); - return detail::functor1<L, T, T, Q>::call(roundEven, x); - } - - // ceil - using ::std::ceil; - template<length_t L, typename T, qualifier Q> - GLM_FUNC_QUALIFIER vec<L, T, Q> ceil(vec<L, T, Q> const& x) - { - GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'ceil' only accept floating-point inputs"); - return detail::compute_ceil<L, T, Q, detail::is_aligned<Q>::value>::call(x); - } - - // fract - template<typename genType> - GLM_FUNC_QUALIFIER genType fract(genType x) - { - return fract(vec<1, genType>(x)).x; - } - - template<length_t L, typename T, qualifier Q> - GLM_FUNC_QUALIFIER vec<L, T, Q> fract(vec<L, T, Q> const& x) - { - GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'fract' only accept floating-point inputs"); - return detail::compute_fract<L, T, Q, detail::is_aligned<Q>::value>::call(x); - } - - // mod - template<typename genType> - GLM_FUNC_QUALIFIER genType mod(genType x, genType y) - { -# if GLM_COMPILER & GLM_COMPILER_CUDA - // Another Cuda compiler bug https://github.com/g-truc/glm/issues/530 - vec<1, genType, defaultp> Result(mod(vec<1, genType, defaultp>(x), y)); - return Result.x; -# else - return mod(vec<1, genType, defaultp>(x), y).x; -# endif - } - - template<length_t L, typename T, qualifier Q> - GLM_FUNC_QUALIFIER vec<L, T, Q> mod(vec<L, T, Q> const& x, T y) - { - return detail::compute_mod<L, T, Q, detail::is_aligned<Q>::value>::call(x, vec<L, T, Q>(y)); - } - - template<length_t L, typename T, qualifier Q> - GLM_FUNC_QUALIFIER vec<L, T, Q> mod(vec<L, T, Q> const& x, vec<L, T, Q> const& y) - { - return detail::compute_mod<L, T, Q, detail::is_aligned<Q>::value>::call(x, y); - } - - // modf - template<typename genType> - GLM_FUNC_QUALIFIER genType modf(genType x, genType & i) - { - GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'modf' only accept floating-point inputs"); - return std::modf(x, &i); - } - - template<typename T, qualifier Q> - GLM_FUNC_QUALIFIER vec<1, T, Q> modf(vec<1, T, Q> const& x, vec<1, T, Q> & i) - { - return vec<1, T, Q>( - modf(x.x, i.x)); - } - - template<typename T, qualifier Q> - GLM_FUNC_QUALIFIER vec<2, T, Q> modf(vec<2, T, Q> const& x, vec<2, T, Q> & i) - { - return vec<2, T, Q>( - modf(x.x, i.x), - modf(x.y, i.y)); - } - - template<typename T, qualifier Q> - GLM_FUNC_QUALIFIER vec<3, T, Q> modf(vec<3, T, Q> const& x, vec<3, T, Q> & i) - { - return vec<3, T, Q>( - modf(x.x, i.x), - modf(x.y, i.y), - modf(x.z, i.z)); - } - - template<typename T, qualifier Q> - GLM_FUNC_QUALIFIER vec<4, T, Q> modf(vec<4, T, Q> const& x, vec<4, T, Q> & i) - { - return vec<4, T, Q>( - modf(x.x, i.x), - modf(x.y, i.y), - modf(x.z, i.z), - modf(x.w, i.w)); - } - - //// Only valid if (INT_MIN <= x-y <= INT_MAX) - //// min(x,y) - //r = y + ((x - y) & ((x - y) >> (sizeof(int) * - //CHAR_BIT - 1))); - //// max(x,y) - //r = x - ((x - y) & ((x - y) >> (sizeof(int) * - //CHAR_BIT - 1))); - - // min - template<length_t L, typename T, qualifier Q> - GLM_FUNC_QUALIFIER vec<L, T, Q> min(vec<L, T, Q> const& a, T b) - { - GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559 || std::numeric_limits<T>::is_integer || GLM_UNRESTRICTED_GENTYPE, "'min' only accept floating-point or integer inputs"); - return detail::compute_min_vector<L, T, Q, detail::is_aligned<Q>::value>::call(a, vec<L, T, Q>(b)); - } - - template<length_t L, typename T, qualifier Q> - GLM_FUNC_QUALIFIER vec<L, T, Q> min(vec<L, T, Q> const& a, vec<L, T, Q> const& b) - { - return detail::compute_min_vector<L, T, Q, detail::is_aligned<Q>::value>::call(a, b); - } - - // max - template<length_t L, typename T, qualifier Q> - GLM_FUNC_QUALIFIER vec<L, T, Q> max(vec<L, T, Q> const& a, T b) - { - GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559 || std::numeric_limits<T>::is_integer || GLM_UNRESTRICTED_GENTYPE, "'max' only accept floating-point or integer inputs"); - return detail::compute_max_vector<L, T, Q, detail::is_aligned<Q>::value>::call(a, vec<L, T, Q>(b)); - } - - template<length_t L, typename T, qualifier Q> - GLM_FUNC_QUALIFIER vec<L, T, Q> max(vec<L, T, Q> const& a, vec<L, T, Q> const& b) - { - return detail::compute_max_vector<L, T, Q, detail::is_aligned<Q>::value>::call(a, b); - } - - // clamp - template<typename genType> - GLM_FUNC_QUALIFIER genType clamp(genType x, genType minVal, genType maxVal) - { - GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559 || std::numeric_limits<genType>::is_integer || GLM_UNRESTRICTED_GENTYPE, "'clamp' only accept floating-point or integer inputs"); - return min(max(x, minVal), maxVal); - } - - template<length_t L, typename T, qualifier Q> - GLM_FUNC_QUALIFIER vec<L, T, Q> clamp(vec<L, T, Q> const& x, T minVal, T maxVal) - { - GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559 || std::numeric_limits<T>::is_integer || GLM_UNRESTRICTED_GENTYPE, "'clamp' only accept floating-point or integer inputs"); - return detail::compute_clamp_vector<L, T, Q, detail::is_aligned<Q>::value>::call(x, vec<L, T, Q>(minVal), vec<L, T, Q>(maxVal)); - } - - template<length_t L, typename T, qualifier Q> - GLM_FUNC_QUALIFIER vec<L, T, Q> clamp(vec<L, T, Q> const& x, vec<L, T, Q> const& minVal, vec<L, T, Q> const& maxVal) - { - GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559 || std::numeric_limits<T>::is_integer || GLM_UNRESTRICTED_GENTYPE, "'clamp' only accept floating-point or integer inputs"); - return detail::compute_clamp_vector<L, T, Q, detail::is_aligned<Q>::value>::call(x, minVal, maxVal); - } - - template<typename genTypeT, typename genTypeU> - GLM_FUNC_QUALIFIER genTypeT mix(genTypeT x, genTypeT y, genTypeU a) - { - return detail::compute_mix<genTypeT, genTypeU>::call(x, y, a); - } - - template<length_t L, typename T, typename U, qualifier Q> - GLM_FUNC_QUALIFIER vec<L, T, Q> mix(vec<L, T, Q> const& x, vec<L, T, Q> const& y, U a) - { - return detail::compute_mix_scalar<L, T, U, Q, detail::is_aligned<Q>::value>::call(x, y, a); - } - - template<length_t L, typename T, typename U, qualifier Q> - GLM_FUNC_QUALIFIER vec<L, T, Q> mix(vec<L, T, Q> const& x, vec<L, T, Q> const& y, vec<L, U, Q> const& a) - { - return detail::compute_mix_vector<L, T, U, Q, detail::is_aligned<Q>::value>::call(x, y, a); - } - - // step - template<typename genType> - GLM_FUNC_QUALIFIER genType step(genType edge, genType x) - { - return mix(static_cast<genType>(1), static_cast<genType>(0), x < edge); - } - - template<length_t L, typename T, qualifier Q> - GLM_FUNC_QUALIFIER vec<L, T, Q> step(T edge, vec<L, T, Q> const& x) - { - return detail::compute_step_vector<L, T, Q, detail::is_aligned<Q>::value>::call(vec<L, T, Q>(edge), x); - } - - template<length_t L, typename T, qualifier Q> - GLM_FUNC_QUALIFIER vec<L, T, Q> step(vec<L, T, Q> const& edge, vec<L, T, Q> const& x) - { - return detail::compute_step_vector<L, T, Q, detail::is_aligned<Q>::value>::call(edge, x); - } - - // smoothstep - template<typename genType> - GLM_FUNC_QUALIFIER genType smoothstep(genType edge0, genType edge1, genType x) - { - GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559 || GLM_UNRESTRICTED_GENTYPE, "'smoothstep' only accept floating-point inputs"); - - genType const tmp(clamp((x - edge0) / (edge1 - edge0), genType(0), genType(1))); - return tmp * tmp * (genType(3) - genType(2) * tmp); - } - - template<length_t L, typename T, qualifier Q> - GLM_FUNC_QUALIFIER vec<L, T, Q> smoothstep(T edge0, T edge1, vec<L, T, Q> const& x) - { - return detail::compute_smoothstep_vector<L, T, Q, detail::is_aligned<Q>::value>::call(vec<L, T, Q>(edge0), vec<L, T, Q>(edge1), x); - } - - template<length_t L, typename T, qualifier Q> - GLM_FUNC_QUALIFIER vec<L, T, Q> smoothstep(vec<L, T, Q> const& edge0, vec<L, T, Q> const& edge1, vec<L, T, Q> const& x) - { - return detail::compute_smoothstep_vector<L, T, Q, detail::is_aligned<Q>::value>::call(edge0, edge1, x); - } - -# if GLM_HAS_CXX11_STL - using std::isnan; -# else - template<typename genType> - GLM_FUNC_QUALIFIER bool isnan(genType x) - { - GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'isnan' only accept floating-point inputs"); - -# if GLM_HAS_CXX11_STL - return std::isnan(x); -# elif GLM_COMPILER & GLM_COMPILER_VC - return _isnan(x) != 0; -# elif GLM_COMPILER & GLM_COMPILER_INTEL -# if GLM_PLATFORM & GLM_PLATFORM_WINDOWS - return _isnan(x) != 0; -# else - return ::isnan(x) != 0; -# endif -# elif (GLM_COMPILER & (GLM_COMPILER_GCC | GLM_COMPILER_CLANG)) && (GLM_PLATFORM & GLM_PLATFORM_ANDROID) && __cplusplus < 201103L - return _isnan(x) != 0; -# elif GLM_COMPILER & GLM_COMPILER_CUDA - return ::isnan(x) != 0; -# else - return std::isnan(x); -# endif - } -# endif - - template<length_t L, typename T, qualifier Q> - GLM_FUNC_QUALIFIER vec<L, bool, Q> isnan(vec<L, T, Q> const& v) - { - GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'isnan' only accept floating-point inputs"); - - vec<L, bool, Q> Result; - for (length_t l = 0; l < v.length(); ++l) - Result[l] = glm::isnan(v[l]); - return Result; - } - -# if GLM_HAS_CXX11_STL - using std::isinf; -# else - template<typename genType> - GLM_FUNC_QUALIFIER bool isinf(genType x) - { - GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'isinf' only accept floating-point inputs"); - -# if GLM_HAS_CXX11_STL - return std::isinf(x); -# elif GLM_COMPILER & (GLM_COMPILER_INTEL | GLM_COMPILER_VC) -# if(GLM_PLATFORM & GLM_PLATFORM_WINDOWS) - return _fpclass(x) == _FPCLASS_NINF || _fpclass(x) == _FPCLASS_PINF; -# else - return ::isinf(x); -# endif -# elif GLM_COMPILER & (GLM_COMPILER_GCC | GLM_COMPILER_CLANG) -# if(GLM_PLATFORM & GLM_PLATFORM_ANDROID && __cplusplus < 201103L) - return _isinf(x) != 0; -# else - return std::isinf(x); -# endif -# elif GLM_COMPILER & GLM_COMPILER_CUDA - // http://developer.download.nvidia.com/compute/cuda/4_2/rel/toolkit/docs/online/group__CUDA__MATH__DOUBLE_g13431dd2b40b51f9139cbb7f50c18fab.html#g13431dd2b40b51f9139cbb7f50c18fab - return ::isinf(double(x)) != 0; -# else - return std::isinf(x); -# endif - } -# endif - - template<length_t L, typename T, qualifier Q> - GLM_FUNC_QUALIFIER vec<L, bool, Q> isinf(vec<L, T, Q> const& v) - { - GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'isinf' only accept floating-point inputs"); - - vec<L, bool, Q> Result; - for (length_t l = 0; l < v.length(); ++l) - Result[l] = glm::isinf(v[l]); - return Result; - } - - GLM_FUNC_QUALIFIER int floatBitsToInt(float const& v) - { - union - { - float in; - int out; - } u; - - u.in = v; - - return u.out; - } - - template<length_t L, qualifier Q> - GLM_FUNC_QUALIFIER vec<L, int, Q> floatBitsToInt(vec<L, float, Q> const& v) - { - return reinterpret_cast<vec<L, int, Q>&>(const_cast<vec<L, float, Q>&>(v)); - } - - GLM_FUNC_QUALIFIER uint floatBitsToUint(float const& v) - { - union - { - float in; - uint out; - } u; - - u.in = v; - - return u.out; - } - - template<length_t L, qualifier Q> - GLM_FUNC_QUALIFIER vec<L, uint, Q> floatBitsToUint(vec<L, float, Q> const& v) - { - return reinterpret_cast<vec<L, uint, Q>&>(const_cast<vec<L, float, Q>&>(v)); - } - - GLM_FUNC_QUALIFIER float intBitsToFloat(int const& v) - { - union - { - int in; - float out; - } u; - - u.in = v; - - return u.out; - } - - template<length_t L, qualifier Q> - GLM_FUNC_QUALIFIER vec<L, float, Q> intBitsToFloat(vec<L, int, Q> const& v) - { - return reinterpret_cast<vec<L, float, Q>&>(const_cast<vec<L, int, Q>&>(v)); - } - - GLM_FUNC_QUALIFIER float uintBitsToFloat(uint const& v) - { - union - { - uint in; - float out; - } u; - - u.in = v; - - return u.out; - } - - template<length_t L, qualifier Q> - GLM_FUNC_QUALIFIER vec<L, float, Q> uintBitsToFloat(vec<L, uint, Q> const& v) - { - return reinterpret_cast<vec<L, float, Q>&>(const_cast<vec<L, uint, Q>&>(v)); - } - - template<typename genType> - GLM_FUNC_QUALIFIER genType fma(genType const& a, genType const& b, genType const& c) - { - return a * b + c; - } - - template<typename genType> - GLM_FUNC_QUALIFIER genType frexp(genType x, int& exp) - { - GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559 || GLM_UNRESTRICTED_GENTYPE, "'frexp' only accept floating-point inputs"); - - return std::frexp(x, &exp); - } - - template<length_t L, typename T, qualifier Q> - GLM_FUNC_QUALIFIER vec<L, T, Q> frexp(vec<L, T, Q> const& v, vec<L, int, Q>& exp) - { - GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559 || GLM_UNRESTRICTED_GENTYPE, "'frexp' only accept floating-point inputs"); - - vec<L, T, Q> Result; - for (length_t l = 0; l < v.length(); ++l) - Result[l] = std::frexp(v[l], &exp[l]); - return Result; - } - - template<typename genType> - GLM_FUNC_QUALIFIER genType ldexp(genType const& x, int const& exp) - { - GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559 || GLM_UNRESTRICTED_GENTYPE, "'ldexp' only accept floating-point inputs"); - - return std::ldexp(x, exp); - } - - template<length_t L, typename T, qualifier Q> - GLM_FUNC_QUALIFIER vec<L, T, Q> ldexp(vec<L, T, Q> const& v, vec<L, int, Q> const& exp) - { - GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559 || GLM_UNRESTRICTED_GENTYPE, "'ldexp' only accept floating-point inputs"); - - vec<L, T, Q> Result; - for (length_t l = 0; l < v.length(); ++l) - Result[l] = std::ldexp(v[l], exp[l]); - return Result; - } -}//namespace glm - -#if GLM_ARCH != GLM_ARCH_PURE && GLM_HAS_UNRESTRICTED_UNIONS -# include "func_common_simd.inl" -#endif |