371 lines
8.2 KiB
C++
371 lines
8.2 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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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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// 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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