39 #ifndef GLM_GTX_matrix_query 
   40 #define GLM_GTX_matrix_query 
   44 #include "../gtx/vector_query.hpp" 
   47 #if(defined(GLM_MESSAGES) && !defined(GLM_EXT_INCLUDED)) 
   48 #       pragma message("GLM: GLM_GTX_matrix_query extension included") 
   58         template<
typename T, precision P>
 
   60                 detail::tmat2x2<T, P> 
const & m,
 
   65         template<
typename T, precision P>
 
   67                 detail::tmat3x3<T, P> 
const & m,
 
   72         template<
typename T, precision P>
 
   74                 detail::tmat4x4<T, P> 
const & m,
 
   79         template<
typename genType>
 
   82                 typename genType::T 
const & 
epsilon);
 
   86         template<
typename T, precision P>
 
   88                 detail::tmat2x2<T, P> 
const & m,
 
   93         template<
typename T, precision P>
 
   95                 detail::tmat3x3<T, P> 
const & m,
 
  100         template<
typename T, precision P>
 
  102                 detail::tmat4x4<T, P> 
const & m,
 
  107         template<
typename T, precision P, 
template <
typename, precision> 
class matType>
 
  109                 matType<T, P> 
const & m,
 
  115 #include "matrix_query.inl" 
  117 #endif//GLM_GTX_matrix_query 
bool isIdentity(genType const &m, typename genType::T const &epsilon)
Return whether a matrix is an identity matrix. 
GLM_FUNC_DECL genType epsilon()
Return the epsilon constant for floating point types. 
bool isOrthogonal(matType< T, P > const &m, T const &epsilon)
Return whether a matrix is an orthonormalized matrix. 
bool isNormalized(detail::tmat2x2< T, P > const &m, T const &epsilon)
Return whether a matrix is a normalized matrix. 
bool isNull(detail::tmat2x2< T, P > const &m, T const &epsilon)
Return whether a matrix a null matrix.