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_normalize_dot 24 /// @file glm/gtx/normalize_dot.hpp 25 /// @date 2007-09-28 / 2011-06-07 26 /// @author Christophe Riccio 27 /// 28 /// @see core (dependence) 29 /// @see gtx_fast_square_root (dependence) 30 /// 31 /// @defgroup gtx_normalize_dot GLM_GTX_normalize_dot 32 /// @ingroup gtx 33 /// 34 /// @brief Dot product of vectors that need to be normalize with a single square root. 35 /// 36 /// <glm/gtx/normalized_dot.hpp> need to be included to use these functionalities. 37 /////////////////////////////////////////////////////////////////////////////////// 38 39 #ifndef GLM_GTX_normalize_dot 40 #define GLM_GTX_normalize_dot 41 42 // Dependency: 43 #include "../glm.hpp" 44 #include "../gtx/fast_square_root.hpp" 45 46 #if(defined(GLM_MESSAGES) && !defined(GLM_EXT_INCLUDED)) 47 # pragma message("GLM: GLM_GTX_normalize_dot extension included") 48 #endif 49 50 namespace glm 51 { 52 /// @addtogroup gtx_normalize_dot 53 /// @{ 54 55 //! Normalize parameters and returns the dot product of x and y. 56 //! It's faster that dot(normalize(x), normalize(y)). 57 //! From GLM_GTX_normalize_dot extension. 58 template <typename genType> 59 GLM_FUNC_DECL typename genType::value_type normalizeDot( 60 genType const & x, 61 genType const & y); 62 63 //! Normalize parameters and returns the dot product of x and y. 64 //! Faster that dot(fastNormalize(x), fastNormalize(y)). 65 //! From GLM_GTX_normalize_dot extension. 66 template <typename genType> 67 GLM_FUNC_DECL typename genType::value_type fastNormalizeDot( 68 genType const & x, 69 genType const & y); 70 71 /// @} 72 }//namespace glm 73 74 #include "normalize_dot.inl" 75 76 #endif//GLM_GTX_normalize_dot 77