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 51namespace 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