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_optimum_pow 24 /// @file glm/gtx/optimum_pow.hpp 25 /// @date 2005-12-21 / 2011-06-07 26 /// @author Christophe Riccio 27 /// 28 /// @see core (dependence) 29 /// 30 /// @defgroup gtx_optimum_pow GLM_GTX_optimum_pow 31 /// @ingroup gtx 32 /// 33 /// @brief Integer exponentiation of power functions. 34 /// 35 /// <glm/gtx/optimum_pow.hpp> need to be included to use these functionalities. 36 /////////////////////////////////////////////////////////////////////////////////// 37 38 #ifndef GLM_GTX_optimum_pow 39 #define GLM_GTX_optimum_pow 40 41 // Dependency: 42 #include "../glm.hpp" 43 44 #if(defined(GLM_MESSAGES) && !defined(GLM_EXT_INCLUDED)) 45 # pragma message("GLM: GLM_GTX_optimum_pow extension included") 46 #endif 47 48 namespace glm{ 49 namespace gtx 50 { 51 /// @addtogroup gtx_optimum_pow 52 /// @{ 53 54 //! Returns x raised to the power of 2. 55 //! From GLM_GTX_optimum_pow extension. 56 template <typename genType> 57 GLM_FUNC_DECL genType pow2(const genType& x); 58 59 //! Returns x raised to the power of 3. 60 //! From GLM_GTX_optimum_pow extension. 61 template <typename genType> 62 GLM_FUNC_DECL genType pow3(const genType& x); 63 64 //! Returns x raised to the power of 4. 65 //! From GLM_GTX_optimum_pow extension. 66 template <typename genType> 67 GLM_FUNC_DECL genType pow4(const genType& x); 68 69 //! Checks if the parameter is a power of 2 number. 70 //! From GLM_GTX_optimum_pow extension. 71 GLM_FUNC_DECL bool powOfTwo(int num); 72 73 //! Checks to determine if the parameter component are power of 2 numbers. 74 //! From GLM_GTX_optimum_pow extension. 75 template <precision P> 76 GLM_FUNC_DECL detail::tvec2<bool, P> powOfTwo(detail::tvec2<int, P> const & x); 77 78 //! Checks to determine if the parameter component are power of 2 numbers. 79 //! From GLM_GTX_optimum_pow extension. 80 template <precision P> 81 GLM_FUNC_DECL detail::tvec3<bool, P> powOfTwo(detail::tvec3<int, P> const & x); 82 83 //! Checks to determine if the parameter component are power of 2 numbers. 84 //! From GLM_GTX_optimum_pow extension. 85 template <precision P> 86 GLM_FUNC_DECL detail::tvec4<bool, P> powOfTwo(detail::tvec4<int, P> const & x); 87 88 /// @} 89 }//namespace gtx 90 }//namespace glm 91 92 #include "optimum_pow.inl" 93 94 #endif//GLM_GTX_optimum_pow 95
