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+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2015 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+///
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+///
+/// Restrictions:
+/// By making use of the Software for military purposes, you choose to make
+/// a Bunny unhappy.
+///
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_fast_exponential
+/// @file glm/gtx/fast_exponential.hpp
+/// @date 2006-01-09 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+/// @see gtx_half_float (dependence)
+///
+/// @defgroup gtx_fast_exponential GLM_GTX_fast_exponential
+/// @ingroup gtx
+///
+/// @brief Fast but less accurate implementations of exponential based functions.
+///
+/// <glm/gtx/fast_exponential.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#pragma once
+
+// Dependency:
+#include "../glm.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(GLM_EXT_INCLUDED))
+# pragma message("GLM: GLM_GTX_fast_exponential extension included")
+#endif
+
+namespace glm
+{
+ /// @addtogroup gtx_fast_exponential
+ /// @{
+
+ /// Faster than the common pow function but less accurate.
+ /// @see gtx_fast_exponential
+ template <typename genType>
+ GLM_FUNC_DECL genType fastPow(genType x, genType y);
+
+ /// Faster than the common pow function but less accurate.
+ /// @see gtx_fast_exponential
+ template <typename T, precision P, template <typename, precision> class vecType>
+ GLM_FUNC_DECL vecType<T, P> fastPow(vecType<T, P> const & x, vecType<T, P> const & y);
+
+ /// Faster than the common pow function but less accurate.
+ /// @see gtx_fast_exponential
+ template <typename genTypeT, typename genTypeU>
+ GLM_FUNC_DECL genTypeT fastPow(genTypeT x, genTypeU y);
+
+ /// Faster than the common pow function but less accurate.
+ /// @see gtx_fast_exponential
+ template <typename T, precision P, template <typename, precision> class vecType>
+ GLM_FUNC_DECL vecType<T, P> fastPow(vecType<T, P> const & x);
+
+ /// Faster than the common exp function but less accurate.
+ /// @see gtx_fast_exponential
+ template <typename T>
+ GLM_FUNC_DECL T fastExp(T x);
+
+ /// Faster than the common exp function but less accurate.
+ /// @see gtx_fast_exponential
+ template <typename T, precision P, template <typename, precision> class vecType>
+ GLM_FUNC_DECL vecType<T, P> fastExp(vecType<T, P> const & x);
+
+ /// Faster than the common log function but less accurate.
+ /// @see gtx_fast_exponential
+ template <typename T>
+ GLM_FUNC_DECL T fastLog(T x);
+
+ /// Faster than the common exp2 function but less accurate.
+ /// @see gtx_fast_exponential
+ template <typename T, precision P, template <typename, precision> class vecType>
+ GLM_FUNC_DECL vecType<T, P> fastLog(vecType<T, P> const & x);
+
+ /// Faster than the common exp2 function but less accurate.
+ /// @see gtx_fast_exponential
+ template <typename T>
+ GLM_FUNC_DECL T fastExp2(T x);
+
+ /// Faster than the common exp2 function but less accurate.
+ /// @see gtx_fast_exponential
+ template <typename T, precision P, template <typename, precision> class vecType>
+ GLM_FUNC_DECL vecType<T, P> fastExp2(vecType<T, P> const & x);
+
+ /// Faster than the common log2 function but less accurate.
+ /// @see gtx_fast_exponential
+ template <typename T>
+ GLM_FUNC_DECL T fastLog2(T x);
+
+ /// Faster than the common log2 function but less accurate.
+ /// @see gtx_fast_exponential
+ template <typename T, precision P, template <typename, precision> class vecType>
+ GLM_FUNC_DECL vecType<T, P> fastLog2(vecType<T, P> const & x);
+
+ /// @}
+}//namespace glm
+
+#include "fast_exponential.inl"