1 files changed, 73 insertions, 0 deletions
diff --git a/external/include/glm/gtx/matrix_query.hpp b/external/include/glm/gtx/matrix_query.hpp
new file mode 100644
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+++ b/external/include/glm/gtx/matrix_query.hpp
@@ -0,0 +1,73 @@
+/// @ref gtx_matrix_query
+/// @file glm/gtx/matrix_query.hpp
+///
+/// @see core (dependence)
+/// @see gtx_vector_query (dependence)
+///
+/// @defgroup gtx_matrix_query GLM_GTX_matrix_query
+/// @ingroup gtx
+///
+/// @brief Query to evaluate matrix properties
+///
+/// <glm/gtx/matrix_query.hpp> need to be included to use these functionalities.
+
+#pragma once
+
+// Dependency:
+#include "../glm.hpp"
+#include "../gtx/vector_query.hpp"
+#include <limits>
+
+#if GLM_MESSAGES == GLM_MESSAGES_ENABLED && !defined(GLM_EXT_INCLUDED)
+#	pragma message("GLM: GLM_GTX_matrix_query extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_matrix_query
+	/// @{
+
+	/// Return whether a matrix a null matrix.
+	/// From GLM_GTX_matrix_query extension.
+	template<typename T, precision P>
+	GLM_FUNC_DECL bool isNull(tmat2x2<T, P> const & m, T const & epsilon);
+		
+	/// Return whether a matrix a null matrix.
+	/// From GLM_GTX_matrix_query extension.
+	template<typename T, precision P>
+	GLM_FUNC_DECL bool isNull(tmat3x3<T, P> const & m, T const & epsilon);
+		
+	/// Return whether a matrix is a null matrix.
+	/// From GLM_GTX_matrix_query extension.
+	template<typename T, precision P>
+	GLM_FUNC_DECL bool isNull(tmat4x4<T, P> const & m, T const & epsilon);
+			
+	/// Return whether a matrix is an identity matrix.
+	/// From GLM_GTX_matrix_query extension.
+	template<typename T, precision P, template <typename, precision> class matType>
+	GLM_FUNC_DECL bool isIdentity(matType<T, P> const & m, T const & epsilon);
+
+	/// Return whether a matrix is a normalized matrix.
+	/// From GLM_GTX_matrix_query extension.
+	template<typename T, precision P>
+	GLM_FUNC_DECL bool isNormalized(tmat2x2<T, P> const & m, T const & epsilon);
+
+	/// Return whether a matrix is a normalized matrix.
+	/// From GLM_GTX_matrix_query extension.
+	template<typename T, precision P>
+	GLM_FUNC_DECL bool isNormalized(tmat3x3<T, P> const & m, T const & epsilon);
+
+	/// Return whether a matrix is a normalized matrix.
+	/// From GLM_GTX_matrix_query extension.
+	template<typename T, precision P>
+	GLM_FUNC_DECL bool isNormalized(tmat4x4<T, P> const & m, T const & epsilon);
+
+	/// Return whether a matrix is an orthonormalized matrix.
+	/// From GLM_GTX_matrix_query extension.
+	template<typename T, precision P, template <typename, precision> class matType>
+	GLM_FUNC_DECL bool isOrthogonal(matType<T, P> const & m, T const & epsilon);
+
+	/// @}
+}//namespace glm
+
+#include "matrix_query.inl"