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Diffstat (limited to 'external/include/glm/detail/func_exponential.inl')
| -rw-r--r-- | external/include/glm/detail/func_exponential.inl | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/external/include/glm/detail/func_exponential.inl b/external/include/glm/detail/func_exponential.inl deleted file mode 100644 index b962674..0000000 --- a/external/include/glm/detail/func_exponential.inl +++ /dev/null @@ -1,152 +0,0 @@ -/// @ref core -/// @file glm/detail/func_exponential.inl - -#include "../vector_relational.hpp" -#include "_vectorize.hpp" -#include <limits> -#include <cmath> -#include <cassert> - -namespace glm{ -namespace detail -{ -# if GLM_HAS_CXX11_STL - using std::log2; -# else - template<typename genType> - genType log2(genType Value) - { - return std::log(Value) * static_cast<genType>(1.4426950408889634073599246810019); - } -# endif - - template<length_t L, typename T, qualifier Q, bool isFloat, bool Aligned> - struct compute_log2 - { - GLM_FUNC_QUALIFIER static vec<L, T, Q> call(vec<L, T, Q> const& v) - { - GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'log2' only accept floating-point inputs. Include <glm/gtc/integer.hpp> for integer inputs."); - - return detail::functor1<L, T, T, Q>::call(log2, v); - } - }; - - template<length_t L, typename T, qualifier Q, bool Aligned> - struct compute_sqrt - { - GLM_FUNC_QUALIFIER static vec<L, T, Q> call(vec<L, T, Q> const& x) - { - return detail::functor1<L, T, T, Q>::call(std::sqrt, x); - } - }; - - template<length_t L, typename T, qualifier Q, bool Aligned> - struct compute_inversesqrt - { - GLM_FUNC_QUALIFIER static vec<L, T, Q> call(vec<L, T, Q> const& x) - { - return static_cast<T>(1) / sqrt(x); - } - }; - - template<length_t L, bool Aligned> - struct compute_inversesqrt<L, float, lowp, Aligned> - { - GLM_FUNC_QUALIFIER static vec<L, float, lowp> call(vec<L, float, lowp> const& x) - { - vec<L, float, lowp> tmp(x); - vec<L, float, lowp> xhalf(tmp * 0.5f); - vec<L, uint, lowp>* p = reinterpret_cast<vec<L, uint, lowp>*>(const_cast<vec<L, float, lowp>*>(&x)); - vec<L, uint, lowp> i = vec<L, uint, lowp>(0x5f375a86) - (*p >> vec<L, uint, lowp>(1)); - vec<L, float, lowp>* ptmp = reinterpret_cast<vec<L, float, lowp>*>(&i); - tmp = *ptmp; - tmp = tmp * (1.5f - xhalf * tmp * tmp); - return tmp; - } - }; -}//namespace detail - - // pow - using std::pow; - template<length_t L, typename T, qualifier Q> - GLM_FUNC_QUALIFIER vec<L, T, Q> pow(vec<L, T, Q> const& base, vec<L, T, Q> const& exponent) - { - return detail::functor2<L, T, Q>::call(pow, base, exponent); - } - - // exp - using std::exp; - template<length_t L, typename T, qualifier Q> - GLM_FUNC_QUALIFIER vec<L, T, Q> exp(vec<L, T, Q> const& x) - { - return detail::functor1<L, T, T, Q>::call(exp, x); - } - - // log - using std::log; - template<length_t L, typename T, qualifier Q> - GLM_FUNC_QUALIFIER vec<L, T, Q> log(vec<L, T, Q> const& x) - { - return detail::functor1<L, T, T, Q>::call(log, x); - } - -# if GLM_HAS_CXX11_STL - using std::exp2; -# else - //exp2, ln2 = 0.69314718055994530941723212145818f - template<typename genType> - GLM_FUNC_QUALIFIER genType exp2(genType x) - { - GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'exp2' only accept floating-point inputs"); - - return std::exp(static_cast<genType>(0.69314718055994530941723212145818) * x); - } -# endif - - template<length_t L, typename T, qualifier Q> - GLM_FUNC_QUALIFIER vec<L, T, Q> exp2(vec<L, T, Q> const& x) - { - return detail::functor1<L, T, T, Q>::call(exp2, x); - } - - // log2, ln2 = 0.69314718055994530941723212145818f - template<typename genType> - GLM_FUNC_QUALIFIER genType log2(genType x) - { - return log2(vec<1, genType>(x)).x; - } - - template<length_t L, typename T, qualifier Q> - GLM_FUNC_QUALIFIER vec<L, T, Q> log2(vec<L, T, Q> const& x) - { - return detail::compute_log2<L, T, Q, std::numeric_limits<T>::is_iec559, detail::is_aligned<Q>::value>::call(x); - } - - // sqrt - using std::sqrt; - template<length_t L, typename T, qualifier Q> - GLM_FUNC_QUALIFIER vec<L, T, Q> sqrt(vec<L, T, Q> const& x) - { - GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'sqrt' only accept floating-point inputs"); - return detail::compute_sqrt<L, T, Q, detail::is_aligned<Q>::value>::call(x); - } - - // inversesqrt - template<typename genType> - GLM_FUNC_QUALIFIER genType inversesqrt(genType x) - { - return static_cast<genType>(1) / sqrt(x); - } - - template<length_t L, typename T, qualifier Q> - GLM_FUNC_QUALIFIER vec<L, T, Q> inversesqrt(vec<L, T, Q> const& x) - { - GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'inversesqrt' only accept floating-point inputs"); - return detail::compute_inversesqrt<L, T, Q, detail::is_aligned<Q>::value>::call(x); - } -}//namespace glm - -#if GLM_ARCH != GLM_ARCH_PURE && GLM_HAS_UNRESTRICTED_UNIONS -# include "func_exponential_simd.inl" -#endif - |