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Diffstat (limited to 'include/gal/opengl/glm/gtx/fast_exponential.hpp')
| -rw-r--r-- | include/gal/opengl/glm/gtx/fast_exponential.hpp | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/include/gal/opengl/glm/gtx/fast_exponential.hpp b/include/gal/opengl/glm/gtx/fast_exponential.hpp new file mode 100644 index 0000000..ff50eec --- /dev/null +++ b/include/gal/opengl/glm/gtx/fast_exponential.hpp @@ -0,0 +1,99 @@ +/////////////////////////////////////////////////////////////////////////////////// +/// OpenGL Mathematics (glm.g-truc.net) +/// +/// Copyright (c) 2005 - 2013 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. +/// +/// 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. +/////////////////////////////////////////////////////////////////////////////////// + +#ifndef GLM_GTX_fast_exponential +#define GLM_GTX_fast_exponential GLM_VERSION + +// Dependency: +#include "../glm.hpp" +#include "../gtc/half_float.hpp" + +#if(defined(GLM_MESSAGES) && !defined(glm_ext)) +# 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> + genType fastPow( + genType const & x, + genType const & y); + + /// Faster than the common pow function but less accurate. + /// @see gtx_fast_exponential + template <typename genTypeT, typename genTypeU> + genTypeT fastPow( + genTypeT const & x, + genTypeU const & y); + + /// Faster than the common exp function but less accurate. + /// @see gtx_fast_exponential + template <typename T> + T fastExp(const T& x); + + /// Faster than the common log function but less accurate. + /// @see gtx_fast_exponential + template <typename T> + T fastLog(const T& x); + + /// Faster than the common exp2 function but less accurate. + /// @see gtx_fast_exponential + template <typename T> + T fastExp2(const T& x); + + /// Faster than the common log2 function but less accurate. + /// @see gtx_fast_exponential + template <typename T> + T fastLog2(const T& x); + + /// Faster than the common ln function but less accurate. + /// @see gtx_fast_exponential + template <typename T> + T fastLn(const T& x); + + /// @} +}//namespace glm + +#include "fast_exponential.inl" + +#endif//GLM_GTX_fast_exponential |