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358 lines
7.0 KiB
358 lines
7.0 KiB
/////////////////////////////////////////////////////////////////////////////////////////////////// |
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// OpenGL Mathematics Copyright (c) 2005 - 2011 G-Truc Creation (www.g-truc.net) |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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// Created : 2008-08-03 |
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// Updated : 2010-02-04 |
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// Licence : This source is under MIT License |
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// File : glm/core/func_exponential.inl |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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namespace glm |
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{ |
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namespace core{ |
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namespace function{ |
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namespace exponential{ |
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// pow |
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template <typename genType> |
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inline genType pow |
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( |
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genType const & x, |
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genType const & y |
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) |
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{ |
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GLM_STATIC_ASSERT(detail::type<genType>::is_float, "'pow' only accept floating-point input"); |
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return ::std::pow(x, y); |
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} |
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template <typename T> |
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inline detail::tvec2<T> pow |
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( |
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detail::tvec2<T> const & x, |
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detail::tvec2<T> const & y |
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) |
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{ |
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return detail::tvec2<T>( |
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pow(x.x, y.x), |
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pow(x.y, y.y)); |
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} |
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template <typename T> |
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inline detail::tvec3<T> pow |
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( |
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detail::tvec3<T> const & x, |
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detail::tvec3<T> const & y |
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) |
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{ |
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return detail::tvec3<T>( |
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pow(x.x, y.x), |
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pow(x.y, y.y), |
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pow(x.z, y.z)); |
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} |
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template <typename T> |
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inline detail::tvec4<T> pow |
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( |
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detail::tvec4<T> const & x, |
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detail::tvec4<T> const & y |
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) |
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{ |
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return detail::tvec4<T>( |
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pow(x.x, y.x), |
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pow(x.y, y.y), |
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pow(x.z, y.z), |
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pow(x.w, y.w)); |
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} |
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// exp |
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template <typename genType> |
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inline genType exp |
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( |
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genType const & x |
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) |
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{ |
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GLM_STATIC_ASSERT(detail::type<genType>::is_float, "'exp' only accept floating-point input"); |
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return ::std::exp(x); |
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} |
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template <typename T> |
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inline detail::tvec2<T> exp |
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( |
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detail::tvec2<T> const & x |
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) |
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{ |
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return detail::tvec2<T>( |
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exp(x.x), |
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exp(x.y)); |
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} |
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template <typename T> |
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inline detail::tvec3<T> exp |
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( |
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detail::tvec3<T> const & x |
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) |
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{ |
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return detail::tvec3<T>( |
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exp(x.x), |
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exp(x.y), |
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exp(x.z)); |
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} |
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template <typename T> |
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inline detail::tvec4<T> exp |
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( |
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detail::tvec4<T> const & x |
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) |
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{ |
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return detail::tvec4<T>( |
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exp(x.x), |
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exp(x.y), |
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exp(x.z), |
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exp(x.w)); |
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} |
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// log |
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template <typename genType> |
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inline genType log |
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( |
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genType const & x |
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) |
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{ |
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GLM_STATIC_ASSERT(detail::type<genType>::is_float, "'log' only accept floating-point input"); |
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return ::std::log(x); |
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} |
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template <typename T> |
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inline detail::tvec2<T> log |
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( |
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detail::tvec2<T> const & x |
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) |
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{ |
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return detail::tvec2<T>( |
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log(x.x), |
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log(x.y)); |
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} |
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template <typename T> |
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inline detail::tvec3<T> log |
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( |
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detail::tvec3<T> const & x |
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) |
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{ |
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return detail::tvec3<T>( |
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log(x.x), |
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log(x.y), |
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log(x.z)); |
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} |
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template <typename T> |
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inline detail::tvec4<T> log |
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( |
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detail::tvec4<T> const & x |
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) |
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{ |
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return detail::tvec4<T>( |
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log(x.x), |
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log(x.y), |
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log(x.z), |
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log(x.w)); |
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} |
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//exp2, ln2 = 0.69314718055994530941723212145818f |
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template <typename genType> |
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inline genType exp2 |
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( |
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genType const & x |
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) |
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{ |
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GLM_STATIC_ASSERT(detail::type<genType>::is_float, "'exp2' only accept floating-point input"); |
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return ::std::exp(genType(0.69314718055994530941723212145818) * x); |
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} |
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template <typename T> |
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inline detail::tvec2<T> exp2 |
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( |
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detail::tvec2<T> const & x |
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) |
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{ |
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return detail::tvec2<T>( |
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exp2(x.x), |
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exp2(x.y)); |
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} |
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template <typename T> |
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inline detail::tvec3<T> exp2 |
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( |
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detail::tvec3<T> const & x |
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) |
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{ |
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return detail::tvec3<T>( |
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exp2(x.x), |
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exp2(x.y), |
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exp2(x.z)); |
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} |
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template <typename T> |
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inline detail::tvec4<T> exp2 |
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( |
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detail::tvec4<T> const & x |
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) |
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{ |
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return detail::tvec4<T>( |
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exp2(x.x), |
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exp2(x.y), |
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exp2(x.z), |
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exp2(x.w)); |
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} |
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// log2, ln2 = 0.69314718055994530941723212145818f |
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template <typename genType> |
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inline genType log2 |
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( |
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genType const & x |
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) |
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{ |
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GLM_STATIC_ASSERT(detail::type<genType>::is_float, "'log2' only accept floating-point input"); |
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return ::std::log(x) / genType(0.69314718055994530941723212145818); |
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} |
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template <typename T> |
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inline detail::tvec2<T> log2 |
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( |
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detail::tvec2<T> const & x |
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) |
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{ |
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return detail::tvec2<T>( |
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log2(x.x), |
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log2(x.y)); |
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} |
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template <typename T> |
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inline detail::tvec3<T> log2 |
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( |
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detail::tvec3<T> const & x |
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) |
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{ |
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return detail::tvec3<T>( |
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log2(x.x), |
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log2(x.y), |
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log2(x.z)); |
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} |
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template <typename T> |
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inline detail::tvec4<T> log2 |
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( |
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detail::tvec4<T> const & x |
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) |
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{ |
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return detail::tvec4<T>( |
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log2(x.x), |
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log2(x.y), |
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log2(x.z), |
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log2(x.w)); |
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} |
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// sqrt |
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template <typename genType> |
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inline genType sqrt |
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( |
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genType const & x |
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) |
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{ |
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GLM_STATIC_ASSERT(detail::type<genType>::is_float, "'sqrt' only accept floating-point input"); |
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return genType(::std::sqrt(x)); |
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} |
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template <typename T> |
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inline detail::tvec2<T> sqrt |
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( |
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detail::tvec2<T> const & x |
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) |
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{ |
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return detail::tvec2<T>( |
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sqrt(x.x), |
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sqrt(x.y)); |
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} |
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template <typename T> |
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inline detail::tvec3<T> sqrt |
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( |
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detail::tvec3<T> const & x |
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) |
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{ |
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return detail::tvec3<T>( |
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sqrt(x.x), |
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sqrt(x.y), |
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sqrt(x.z)); |
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} |
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template <typename T> |
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inline detail::tvec4<T> sqrt |
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( |
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detail::tvec4<T> const & x |
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) |
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{ |
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return detail::tvec4<T>( |
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sqrt(x.x), |
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sqrt(x.y), |
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sqrt(x.z), |
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sqrt(x.w)); |
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} |
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template <typename genType> |
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inline genType inversesqrt |
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( |
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genType const & x |
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) |
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{ |
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GLM_STATIC_ASSERT(detail::type<genType>::is_float, "'inversesqrt' only accept floating-point input"); |
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return genType(1) / ::std::sqrt(x); |
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} |
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template <typename T> |
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inline detail::tvec2<T> inversesqrt |
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( |
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detail::tvec2<T> const & x |
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) |
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{ |
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return detail::tvec2<T>( |
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inversesqrt(x.x), |
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inversesqrt(x.y)); |
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} |
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template <typename T> |
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inline detail::tvec3<T> inversesqrt |
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( |
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detail::tvec3<T> const & x |
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) |
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{ |
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return detail::tvec3<T>( |
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inversesqrt(x.x), |
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inversesqrt(x.y), |
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inversesqrt(x.z)); |
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} |
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template <typename T> |
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inline detail::tvec4<T> inversesqrt |
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( |
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detail::tvec4<T> const & x |
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) |
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{ |
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return detail::tvec4<T>( |
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inversesqrt(x.x), |
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inversesqrt(x.y), |
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inversesqrt(x.z), |
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inversesqrt(x.w)); |
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} |
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}//namespace exponential |
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}//namespace function |
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}//namespace core |
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}//namespace glm
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