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370 lines
8.2 KiB
370 lines
8.2 KiB
/////////////////////////////////////////////////////////////////////////////////// |
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/// OpenGL Mathematics (glm.g-truc.net) |
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/// |
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/// Copyright (c) 2005 - 2011 G-Truc Creation (www.g-truc.net) |
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/// Permission is hereby granted, free of charge, to any person obtaining a copy |
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/// of this software and associated documentation files (the "Software"), to deal |
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/// in the Software without restriction, including without limitation the rights |
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/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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/// copies of the Software, and to permit persons to whom the Software is |
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/// furnished to do so, subject to the following conditions: |
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/// |
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/// The above copyright notice and this permission notice shall be included in |
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/// all copies or substantial portions of the Software. |
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/// |
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/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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/// THE SOFTWARE. |
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/// |
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/// @ref core |
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/// @file glm/core/func_exponential.inl |
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/// @date 2008-08-03 / 2011-06-15 |
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/// @author Christophe Riccio |
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/////////////////////////////////////////////////////////////////////////////////// |
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namespace glm |
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{ |
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// pow |
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template <typename genType> |
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GLM_FUNC_QUALIFIER 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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GLM_FUNC_QUALIFIER 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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GLM_FUNC_QUALIFIER 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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GLM_FUNC_QUALIFIER 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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GLM_FUNC_QUALIFIER 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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GLM_FUNC_QUALIFIER 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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GLM_FUNC_QUALIFIER 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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GLM_FUNC_QUALIFIER 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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|
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// log |
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template <typename genType> |
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GLM_FUNC_QUALIFIER 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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GLM_FUNC_QUALIFIER 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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GLM_FUNC_QUALIFIER 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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GLM_FUNC_QUALIFIER 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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GLM_FUNC_QUALIFIER 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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GLM_FUNC_QUALIFIER 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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GLM_FUNC_QUALIFIER 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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GLM_FUNC_QUALIFIER 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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GLM_FUNC_QUALIFIER 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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GLM_FUNC_QUALIFIER 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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GLM_FUNC_QUALIFIER 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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GLM_FUNC_QUALIFIER 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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GLM_FUNC_QUALIFIER 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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GLM_FUNC_QUALIFIER 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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glm::sqrt(x.x), |
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glm::sqrt(x.y)); |
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} |
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template <typename T> |
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GLM_FUNC_QUALIFIER 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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glm::sqrt(x.x), |
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glm::sqrt(x.y), |
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glm::sqrt(x.z)); |
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} |
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template <typename T> |
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GLM_FUNC_QUALIFIER 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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glm::sqrt(x.x), |
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glm::sqrt(x.y), |
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glm::sqrt(x.z), |
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glm::sqrt(x.w)); |
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} |
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template <typename genType> |
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GLM_FUNC_QUALIFIER 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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GLM_FUNC_QUALIFIER 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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GLM_FUNC_QUALIFIER 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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GLM_FUNC_QUALIFIER 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 glm
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