1 /////////////////////////////////////////////////////////////////////////////////// 2 /// OpenGL Mathematics (glm.g-truc.net) 3 /// 4 /// Copyright (c) 2005 - 2014 G-Truc Creation (www.g-truc.net) 5 /// Permission is hereby granted, free of charge, to any person obtaining a copy 6 /// of this software and associated documentation files (the "Software"), to deal 7 /// in the Software without restriction, including without limitation the rights 8 /// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 /// copies of the Software, and to permit persons to whom the Software is 10 /// furnished to do so, subject to the following conditions: 11 /// 12 /// The above copyright notice and this permission notice shall be included in 13 /// all copies or substantial portions of the Software. 14 /// 15 /// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 /// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 /// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 /// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 /// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 /// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 21 /// THE SOFTWARE. 22 /// 23 /// @ref gtx_fast_exponential 24 /// @file glm/gtx/fast_exponential.hpp 25 /// @date 2006-01-09 / 2011-06-07 26 /// @author Christophe Riccio 27 /// 28 /// @see core (dependence) 29 /// @see gtx_half_float (dependence) 30 /// 31 /// @defgroup gtx_fast_exponential GLM_GTX_fast_exponential 32 /// @ingroup gtx 33 /// 34 /// @brief Fast but less accurate implementations of exponential based functions. 35 /// 36 /// <glm/gtx/fast_exponential.hpp> need to be included to use these functionalities. 37 /////////////////////////////////////////////////////////////////////////////////// 38 39 #ifndef GLM_GTX_fast_exponential 40 #define GLM_GTX_fast_exponential 41 42 // Dependency: 43 #include "../glm.hpp" 44 45 #if(defined(GLM_MESSAGES) && !defined(GLM_EXT_INCLUDED)) 46 # pragma message("GLM: GLM_GTX_fast_exponential extension included") 47 #endif 48 49 namespace glm 50 { 51 /// @addtogroup gtx_fast_exponential 52 /// @{ 53 54 /// Faster than the common pow function but less accurate. 55 /// @see gtx_fast_exponential 56 template <typename genType> 57 GLM_FUNC_DECL genType fastPow( 58 genType const & x, 59 genType const & y); 60 61 /// Faster than the common pow function but less accurate. 62 /// @see gtx_fast_exponential 63 template <typename genTypeT, typename genTypeU> 64 GLM_FUNC_DECL genTypeT fastPow( 65 genTypeT const & x, 66 genTypeU const & y); 67 68 /// Faster than the common exp function but less accurate. 69 /// @see gtx_fast_exponential 70 template <typename T> 71 GLM_FUNC_DECL T fastExp(const T& x); 72 73 /// Faster than the common log function but less accurate. 74 /// @see gtx_fast_exponential 75 template <typename T> 76 GLM_FUNC_DECL T fastLog(const T& x); 77 78 /// Faster than the common exp2 function but less accurate. 79 /// @see gtx_fast_exponential 80 template <typename T> 81 GLM_FUNC_DECL T fastExp2(const T& x); 82 83 /// Faster than the common log2 function but less accurate. 84 /// @see gtx_fast_exponential 85 template <typename T> 86 GLM_FUNC_DECL T fastLog2(const T& x); 87 88 /// Faster than the common ln function but less accurate. 89 /// @see gtx_fast_exponential 90 template <typename T> 91 GLM_FUNC_DECL T fastLn(const T& x); 92 93 /// @} 94 }//namespace glm 95 96 #include "fast_exponential.inl" 97 98 #endif//GLM_GTX_fast_exponential 99