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diff --git a/glm/gtx/vector_query.hpp b/glm/gtx/vector_query.hpp
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+++ b/glm/gtx/vector_query.hpp
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+/// @ref gtx_vector_query
+/// @file glm/gtx/vector_query.hpp
+///
+/// @see core (dependence)
+///
+/// @defgroup gtx_vector_query GLM_GTX_vector_query
+/// @ingroup gtx
+///
+/// Include <glm/gtx/vector_query.hpp> to use the features of this extension.
+///
+/// Query informations of vector types
+
+#pragma once
+
+// Dependency:
+#include "../glm.hpp"
+#include <cfloat>
+#include <limits>
+
+#if GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED)
+#	ifndef GLM_ENABLE_EXPERIMENTAL
+#		pragma message("GLM: GLM_GTX_vector_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.")
+#	else
+#		pragma message("GLM: GLM_GTX_vector_query extension included")
+#	endif
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_vector_query
+	/// @{
+
+	//! Check whether two vectors are collinears.
+	/// @see gtx_vector_query extensions.
+	template<length_t L, typename T, qualifier Q>
+	GLM_FUNC_DECL bool areCollinear(vec<L, T, Q> const& v0, vec<L, T, Q> const& v1, T const& epsilon);
+
+	//! Check whether two vectors are orthogonals.
+	/// @see gtx_vector_query extensions.
+	template<length_t L, typename T, qualifier Q>
+	GLM_FUNC_DECL bool areOrthogonal(vec<L, T, Q> const& v0, vec<L, T, Q> const& v1, T const& epsilon);
+
+	//! Check whether a vector is normalized.
+	/// @see gtx_vector_query extensions.
+	template<length_t L, typename T, qualifier Q>
+	GLM_FUNC_DECL bool isNormalized(vec<L, T, Q> const& v, T const& epsilon);
+
+	//! Check whether a vector is null.
+	/// @see gtx_vector_query extensions.
+	template<length_t L, typename T, qualifier Q>
+	GLM_FUNC_DECL bool isNull(vec<L, T, Q> const& v, T const& epsilon);
+
+	//! Check whether a each component of a vector is null.
+	/// @see gtx_vector_query extensions.
+	template<length_t L, typename T, qualifier Q>
+	GLM_FUNC_DECL vec<L, bool, Q> isCompNull(vec<L, T, Q> const& v, T const& epsilon);
+
+	//! Check whether two vectors are orthonormal.
+	/// @see gtx_vector_query extensions.
+	template<length_t L, typename T, qualifier Q>
+	GLM_FUNC_DECL bool areOrthonormal(vec<L, T, Q> const& v0, vec<L, T, Q> const& v1, T const& epsilon);
+
+	/// @}
+}// namespace glm
+
+#include "vector_query.inl"