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_matrix_query 24 /// @file glm/gtx/matrix_query.hpp 25 /// @date 2007-03-05 / 2011-08-28 26 /// @author Christophe Riccio 27 /// 28 /// @see core (dependence) 29 /// @see gtx_vector_query (dependence) 30 /// 31 /// @defgroup gtx_matrix_query GLM_GTX_matrix_query 32 /// @ingroup gtx 33 /// 34 /// @brief Query to evaluate matrix properties 35 /// 36 /// <glm/gtx/matrix_query.hpp> need to be included to use these functionalities. 37 /////////////////////////////////////////////////////////////////////////////////// 38 39 #ifndef GLM_GTX_matrix_query 40 #define GLM_GTX_matrix_query 41 42 // Dependency: 43 #include "../glm.hpp" 44 #include "../gtx/vector_query.hpp" 45 #include <limits> 46 47 #if(defined(GLM_MESSAGES) && !defined(GLM_EXT_INCLUDED)) 48 # pragma message("GLM: GLM_GTX_matrix_query extension included") 49 #endif 50 51 namespace glm 52 { 53 /// @addtogroup gtx_matrix_query 54 /// @{ 55 56 /// Return whether a matrix a null matrix. 57 /// From GLM_GTX_matrix_query extension. 58 template<typename T, precision P> 59 GLM_FUNC_DECL bool isNull(detail::tmat2x2<T, P> const & m, T const & epsilon); 60 61 /// Return whether a matrix a null matrix. 62 /// From GLM_GTX_matrix_query extension. 63 template<typename T, precision P> 64 GLM_FUNC_DECL bool isNull(detail::tmat3x3<T, P> const & m, T const & epsilon); 65 66 /// Return whether a matrix is a null matrix. 67 /// From GLM_GTX_matrix_query extension. 68 template<typename T, precision P> 69 GLM_FUNC_DECL bool isNull(detail::tmat4x4<T, P> const & m, T const & epsilon); 70 71 /// Return whether a matrix is an identity matrix. 72 /// From GLM_GTX_matrix_query extension. 73 template<typename T, precision P, template <typename, precision> class matType> 74 GLM_FUNC_DECL bool isIdentity(matType<T, P> const & m, T const & epsilon); 75 76 /// Return whether a matrix is a normalized matrix. 77 /// From GLM_GTX_matrix_query extension. 78 template<typename T, precision P> 79 GLM_FUNC_DECL bool isNormalized(detail::tmat2x2<T, P> const & m, T const & epsilon); 80 81 /// Return whether a matrix is a normalized matrix. 82 /// From GLM_GTX_matrix_query extension. 83 template<typename T, precision P> 84 GLM_FUNC_DECL bool isNormalized(detail::tmat3x3<T, P> const & m, T const & epsilon); 85 86 /// Return whether a matrix is a normalized matrix. 87 /// From GLM_GTX_matrix_query extension. 88 template<typename T, precision P> 89 GLM_FUNC_DECL bool isNormalized(detail::tmat4x4<T, P> const & m, T const & epsilon); 90 91 /// Return whether a matrix is an orthonormalized matrix. 92 /// From GLM_GTX_matrix_query extension. 93 template<typename T, precision P, template <typename, precision> class matType> 94 GLM_FUNC_DECL bool isOrthogonal(matType<T, P> const & m, T const & epsilon); 95 96 /// @} 97 }//namespace glm 98 99 #include "matrix_query.inl" 100 101 #endif//GLM_GTX_matrix_query 102