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_trigonometry 24 /// @file glm/gtx/fast_trigonometry.hpp 25 /// @date 2006-01-08 / 2011-06-07 26 /// @author Christophe Riccio 27 /// 28 /// @see core (dependence) 29 /// 30 /// @defgroup gtx_fast_trigonometry GLM_GTX_fast_trigonometry 31 /// @ingroup gtx 32 /// 33 /// @brief Fast but less accurate implementations of trigonometric functions. 34 /// 35 /// <glm/gtx/fast_trigonometry.hpp> need to be included to use these functionalities. 36 /////////////////////////////////////////////////////////////////////////////////// 37 38 #ifndef GLM_GTX_fast_trigonometry 39 #define GLM_GTX_fast_trigonometry 40 41 // Dependency: 42 #include "../glm.hpp" 43 44 #if(defined(GLM_MESSAGES) && !defined(GLM_EXT_INCLUDED)) 45 # pragma message("GLM: GLM_GTX_fast_trigonometry extension included") 46 #endif 47 48 namespace glm 49 { 50 /// @addtogroup gtx_fast_trigonometry 51 /// @{ 52 53 //! Faster than the common sin function but less accurate. 54 //! Defined between -2pi and 2pi. 55 //! From GLM_GTX_fast_trigonometry extension. 56 template <typename T> 57 GLM_FUNC_DECL T fastSin(const T& angle); 58 59 //! Faster than the common cos function but less accurate. 60 //! Defined between -2pi and 2pi. 61 //! From GLM_GTX_fast_trigonometry extension. 62 template <typename T> 63 GLM_FUNC_DECL T fastCos(const T& angle); 64 65 //! Faster than the common tan function but less accurate. 66 //! Defined between -2pi and 2pi. 67 //! From GLM_GTX_fast_trigonometry extension. 68 template <typename T> 69 GLM_FUNC_DECL T fastTan(const T& angle); 70 71 //! Faster than the common asin function but less accurate. 72 //! Defined between -2pi and 2pi. 73 //! From GLM_GTX_fast_trigonometry extension. 74 template <typename T> 75 GLM_FUNC_DECL T fastAsin(const T& angle); 76 77 //! Faster than the common acos function but less accurate. 78 //! Defined between -2pi and 2pi. 79 //! From GLM_GTX_fast_trigonometry extension. 80 template <typename T> 81 GLM_FUNC_DECL T fastAcos(const T& angle); 82 83 //! Faster than the common atan function but less accurate. 84 //! Defined between -2pi and 2pi. 85 //! From GLM_GTX_fast_trigonometry extension. 86 template <typename T> 87 GLM_FUNC_DECL T fastAtan(const T& y, const T& x); 88 89 //! Faster than the common atan function but less accurate. 90 //! Defined between -2pi and 2pi. 91 //! From GLM_GTX_fast_trigonometry extension. 92 template <typename T> 93 GLM_FUNC_DECL T fastAtan(const T& angle); 94 95 /// @} 96 }//namespace glm 97 98 #include "fast_trigonometry.inl" 99 100 #endif//GLM_GTX_fast_trigonometry 101
