diff options
Diffstat (limited to 'external/include/glm/detail/func_exponential.inl')
| -rw-r--r-- | external/include/glm/detail/func_exponential.inl | 96 |
1 files changed, 51 insertions, 45 deletions
diff --git a/external/include/glm/detail/func_exponential.inl b/external/include/glm/detail/func_exponential.inl index 227fe91..b962674 100644 --- a/external/include/glm/detail/func_exponential.inl +++ b/external/include/glm/detail/func_exponential.inl @@ -1,7 +1,7 @@ /// @ref core /// @file glm/detail/func_exponential.inl -#include "func_vector_relational.hpp" +#include "../vector_relational.hpp" #include "_vectorize.hpp" #include <limits> #include <cmath> @@ -13,50 +13,52 @@ namespace detail # if GLM_HAS_CXX11_STL using std::log2; # else - template <typename genType> + template<typename genType> genType log2(genType Value) { return std::log(Value) * static_cast<genType>(1.4426950408889634073599246810019); } # endif - template <typename T, precision P, template <class, precision> class vecType, bool isFloat, bool Aligned> + template<length_t L, typename T, qualifier Q, bool isFloat, bool Aligned> struct compute_log2 { - GLM_FUNC_QUALIFIER static vecType<T, P> call(vecType<T, P> const & vec) + GLM_FUNC_QUALIFIER static vec<L, T, Q> call(vec<L, T, Q> const& v) { - return detail::functor1<T, T, P, vecType>::call(log2, vec); + 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 <template <class, precision> class vecType, typename T, precision P, bool Aligned> + template<length_t L, typename T, qualifier Q, bool Aligned> struct compute_sqrt { - GLM_FUNC_QUALIFIER static vecType<T, P> call(vecType<T, P> const & x) + GLM_FUNC_QUALIFIER static vec<L, T, Q> call(vec<L, T, Q> const& x) { - return detail::functor1<T, T, P, vecType>::call(std::sqrt, x); + return detail::functor1<L, T, T, Q>::call(std::sqrt, x); } }; - template <template <class, precision> class vecType, typename T, precision P, bool Aligned> + template<length_t L, typename T, qualifier Q, bool Aligned> struct compute_inversesqrt { - GLM_FUNC_QUALIFIER static vecType<T, P> call(vecType<T, P> const & x) + GLM_FUNC_QUALIFIER static vec<L, T, Q> call(vec<L, T, Q> const& x) { return static_cast<T>(1) / sqrt(x); } }; - - template <template <class, precision> class vecType, bool Aligned> - struct compute_inversesqrt<vecType, float, lowp, Aligned> + + template<length_t L, bool Aligned> + struct compute_inversesqrt<L, float, lowp, Aligned> { - GLM_FUNC_QUALIFIER static vecType<float, lowp> call(vecType<float, lowp> const & x) + GLM_FUNC_QUALIFIER static vec<L, float, lowp> call(vec<L, float, lowp> const& x) { - vecType<float, lowp> tmp(x); - vecType<float, lowp> xhalf(tmp * 0.5f); - vecType<uint, lowp>* p = reinterpret_cast<vecType<uint, lowp>*>(const_cast<vecType<float, lowp>*>(&x)); - vecType<uint, lowp> i = vecType<uint, lowp>(0x5f375a86) - (*p >> vecType<uint, lowp>(1)); - vecType<float, lowp>* ptmp = reinterpret_cast<vecType<float, lowp>*>(&i); + 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; @@ -66,77 +68,81 @@ namespace detail // pow using std::pow; - template <typename T, precision P, template <typename, precision> class vecType> - GLM_FUNC_QUALIFIER vecType<T, P> pow(vecType<T, P> const & base, vecType<T, P> const & exponent) + 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<T, P, vecType>::call(pow, base, exponent); + return detail::functor2<L, T, Q>::call(pow, base, exponent); } // exp using std::exp; - template <typename T, precision P, template <typename, precision> class vecType> - GLM_FUNC_QUALIFIER vecType<T, P> exp(vecType<T, P> const & x) + 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<T, T, P, vecType>::call(exp, x); + return detail::functor1<L, T, T, Q>::call(exp, x); } // log using std::log; - template <typename T, precision P, template <typename, precision> class vecType> - GLM_FUNC_QUALIFIER vecType<T, P> log(vecType<T, P> const & x) + 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<T, T, P, vecType>::call(log, 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> + 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 <typename T, precision P, template <typename, precision> class vecType> - GLM_FUNC_QUALIFIER vecType<T, P> exp2(vecType<T, P> const & x) + 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<T, T, P, vecType>::call(exp2, x); + return detail::functor1<L, T, T, Q>::call(exp2, x); } // log2, ln2 = 0.69314718055994530941723212145818f - template <typename genType> + template<typename genType> GLM_FUNC_QUALIFIER genType log2(genType x) { - return log2(tvec1<genType>(x)).x; + return log2(vec<1, genType>(x)).x; } - template <typename T, precision P, template <typename, precision> class vecType> - GLM_FUNC_QUALIFIER vecType<T, P> log2(vecType<T, P> const & 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<T, P, vecType, std::numeric_limits<T>::is_iec559, detail::is_aligned<P>::value>::call(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 <typename T, precision P, template <typename, precision> class vecType> - GLM_FUNC_QUALIFIER vecType<T, P> sqrt(vecType<T, P> const & x) + 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<vecType, T, P, detail::is_aligned<P>::value>::call(x); + return detail::compute_sqrt<L, T, Q, detail::is_aligned<Q>::value>::call(x); } // inversesqrt - template <typename genType> + template<typename genType> GLM_FUNC_QUALIFIER genType inversesqrt(genType x) { return static_cast<genType>(1) / sqrt(x); } - - template <typename T, precision P, template <typename, precision> class vecType> - GLM_FUNC_QUALIFIER vecType<T, P> inversesqrt(vecType<T, P> const & 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<vecType, T, P, detail::is_aligned<P>::value>::call(x); + return detail::compute_inversesqrt<L, T, Q, detail::is_aligned<Q>::value>::call(x); } }//namespace glm |