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 gtc_epsilon 24 /// @file glm/gtc/epsilon.hpp 25 /// @date 2012-04-07 / 2012-04-07 26 /// @author Christophe Riccio 27 /// 28 /// @see core (dependence) 29 /// @see gtc_half_float (dependence) 30 /// @see gtc_quaternion (dependence) 31 /// 32 /// @defgroup gtc_epsilon GLM_GTC_epsilon 33 /// @ingroup gtc 34 /// 35 /// @brief Comparison functions for a user defined epsilon values. 36 /// 37 /// <glm/gtc/epsilon.hpp> need to be included to use these functionalities. 38 /////////////////////////////////////////////////////////////////////////////////// 39 40 #ifndef GLM_GTC_epsilon 41 #define GLM_GTC_epsilon 42 43 // Dependencies 44 #include "../detail/setup.hpp" 45 #include "../detail/precision.hpp" 46 47 #if(defined(GLM_MESSAGES) && !defined(GLM_EXT_INCLUDED)) 48 # pragma message("GLM: GLM_GTC_epsilon extension included") 49 #endif 50 51 namespace glm 52 { 53 /// @addtogroup gtc_epsilon 54 /// @{ 55 56 /// Returns the component-wise comparison of |x - y| < epsilon. 57 /// True if this expression is satisfied. 58 /// 59 /// @see gtc_epsilon 60 template <typename T, precision P, template <typename, precision> class vecType> 61 GLM_FUNC_DECL vecType<bool, P> epsilonEqual( 62 vecType<T, P> const & x, 63 vecType<T, P> const & y, 64 T const & epsilon); 65 66 /// Returns the component-wise comparison of |x - y| < epsilon. 67 /// True if this expression is satisfied. 68 /// 69 /// @see gtc_epsilon 70 template <typename genType> 71 GLM_FUNC_DECL bool epsilonEqual( 72 genType const & x, 73 genType const & y, 74 genType const & epsilon); 75 76 /// Returns the component-wise comparison of |x - y| < epsilon. 77 /// True if this expression is not satisfied. 78 /// 79 /// @see gtc_epsilon 80 template <typename genType> 81 GLM_FUNC_DECL typename genType::boolType epsilonNotEqual( 82 genType const & x, 83 genType const & y, 84 typename genType::value_type const & epsilon); 85 86 /// Returns the component-wise comparison of |x - y| >= epsilon. 87 /// True if this expression is not satisfied. 88 /// 89 /// @see gtc_epsilon 90 template <typename genType> 91 GLM_FUNC_DECL bool epsilonNotEqual( 92 genType const & x, 93 genType const & y, 94 genType const & epsilon); 95 96 /// @} 97 }//namespace glm 98 99 #include "epsilon.inl" 100 101 #endif//GLM_GTC_epsilon 102
