1///////////////////////////////////////////////////////////////////////////////////
2/// OpenGL Mathematics (glm.g-truc.net)
3///
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11///
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16/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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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