18 #include "../gtx/vector_query.hpp" 
   21 #ifndef GLM_ENABLE_EXPERIMENTAL 
   22 #       error "GLM: GLM_GTX_matrix_query is an experimental extension and may change in the future. Use #define GLM_ENABLE_EXPERIMENTAL before including it, if you really want to use it." 
   25 #if GLM_MESSAGES == GLM_MESSAGES_ENABLED && !defined(GLM_EXT_INCLUDED) 
   26 #       pragma message("GLM: GLM_GTX_matrix_query extension included") 
   36         template<
typename T, qualifier Q>
 
   37         GLM_FUNC_DECL 
bool isNull(mat<2, 2, T, Q> 
const& m, T 
const& 
epsilon);
 
   41         template<
typename T, qualifier Q>
 
   42         GLM_FUNC_DECL 
bool isNull(mat<3, 3, T, Q> 
const& m, T 
const& 
epsilon);
 
   46         template<
typename T, qualifier Q>
 
   47         GLM_FUNC_DECL 
bool isNull(mat<4, 4, T, Q> 
const& m, T 
const& 
epsilon);
 
   51         template<length_t C, length_t R, 
typename T, qualifier Q, 
template<length_t, length_t, 
typename, qualifier> 
class matType>
 
   56         template<
typename T, qualifier Q>
 
   61         template<
typename T, qualifier Q>
 
   66         template<
typename T, qualifier Q>
 
   71         template<length_t C, length_t R, 
typename T, qualifier Q, 
template<length_t, length_t, 
typename, qualifier> 
class matType>
 
   77 #include "matrix_query.inl" 
GLM_FUNC_DECL GLM_CONSTEXPR genType epsilon()
Return the epsilon constant for floating point types. 
GLM_FUNC_DECL bool isNull(mat< 4, 4, T, Q > const &m, T const &epsilon)
Return whether a matrix is a null matrix. 
GLM_FUNC_DECL bool isNormalized(mat< 4, 4, T, Q > const &m, T const &epsilon)
Return whether a matrix is a normalized matrix. 
GLM_FUNC_DECL bool isOrthogonal(matType< C, R, T, Q > const &m, T const &epsilon)
Return whether a matrix is an orthonormalized matrix. 
GLM_FUNC_DECL bool isIdentity(matType< C, R, T, Q > const &m, T const &epsilon)
Return whether a matrix is an identity matrix.