100 lines
3.3 KiB
C++
100 lines
3.3 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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/// OpenGL Mathematics (glm.g-truc.net)
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///
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/// Copyright (c) 2005 - 2012 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 gtx_fast_exponential
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/// @file glm/gtx/fast_exponential.hpp
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/// @date 2006-01-09 / 2011-06-07
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/// @author Christophe Riccio
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///
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/// @see core (dependence)
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/// @see gtx_half_float (dependence)
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///
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/// @defgroup gtx_fast_exponential GLM_GTX_fast_exponential: Fast exponentiation functions
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/// @ingroup gtx
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///
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/// @brief Fast but less accurate implementations of exponential based functions.
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///
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/// <glm/gtx/fast_exponential.hpp> need to be included to use these functionalities.
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///////////////////////////////////////////////////////////////////////////////////
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#ifndef GLM_GTX_fast_exponential
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#define GLM_GTX_fast_exponential GLM_VERSION
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// Dependency:
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#include "../glm.hpp"
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#include "../gtc/half_float.hpp"
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#if(defined(GLM_MESSAGES) && !defined(glm_ext))
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# pragma message("GLM: GLM_GTX_fast_exponential extension included")
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#endif
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namespace glm
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{
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/// @addtogroup gtx_fast_exponential
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/// @{
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/// Faster than the common pow function but less accurate.
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/// @see gtx_fast_exponential
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template <typename genType>
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genType fastPow(
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genType const & x,
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genType const & y);
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/// Faster than the common pow function but less accurate.
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/// @see gtx_fast_exponential
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template <typename genTypeT, typename genTypeU>
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genTypeT fastPow(
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genTypeT const & x,
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genTypeU const & y);
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/// Faster than the common exp function but less accurate.
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/// @see gtx_fast_exponential
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template <typename T>
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T fastExp(const T& x);
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/// Faster than the common log function but less accurate.
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/// @see gtx_fast_exponential
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template <typename T>
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T fastLog(const T& x);
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/// Faster than the common exp2 function but less accurate.
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/// @see gtx_fast_exponential
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template <typename T>
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T fastExp2(const T& x);
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/// Faster than the common log2 function but less accurate.
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/// @see gtx_fast_exponential
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template <typename T>
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T fastLog2(const T& x);
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/// Faster than the common ln function but less accurate.
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/// @see gtx_fast_exponential
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template <typename T>
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T fastLn(const T& x);
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/// @}
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}//namespace glm
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#include "fast_exponential.inl"
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#endif//GLM_GTX_fast_exponential
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