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diff --git a/src/include/glm/gtx/common.hpp b/src/include/glm/gtx/common.hpp
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+/// @ref gtx_common
+/// @file glm/gtx/common.hpp
+///
+/// @see core (dependence)
+///
+/// @defgroup gtx_common GLM_GTX_common
+/// @ingroup gtx
+///
+/// Include <glm/gtx/common.hpp> to use the features of this extension.
+///
+/// @brief Provide functions to increase the compatibility with Cg and HLSL languages
+
+#pragma once
+
+// Dependencies:
+#include "../vec2.hpp"
+#include "../vec3.hpp"
+#include "../vec4.hpp"
+#include "../gtc/vec1.hpp"
+
+#if GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED)
+#	ifndef GLM_ENABLE_EXPERIMENTAL
+#		pragma message("GLM: GLM_GTX_common 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_common extension included")
+#	endif
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_common
+	/// @{
+
+	/// Returns true if x is a denormalized number
+	/// Numbers whose absolute value is too small to be represented in the normal format are represented in an alternate, denormalized format.
+	/// This format is less precise but can represent values closer to zero.
+	///
+	/// @tparam genType Floating-point scalar or vector types.
+	///
+	/// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/isnan.xml">GLSL isnan man page</a>
+	/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.3 Common Functions</a>
+	template<typename genType>
+	GLM_FUNC_DECL typename genType::bool_type isdenormal(genType const& x);
+
+	/// Similar to 'mod' but with a different rounding and integer support.
+	/// Returns 'x - y * trunc(x/y)' instead of 'x - y * floor(x/y)'
+	///
+	/// @see <a href="http://stackoverflow.com/questions/7610631/glsl-mod-vs-hlsl-fmod">GLSL mod vs HLSL fmod</a>
+	/// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/mod.xml">GLSL mod man page</a>
+	template<length_t L, typename T, qualifier Q>
+	GLM_FUNC_DECL vec<L, T, Q> fmod(vec<L, T, Q> const& v);
+
+	/// Returns whether vector components values are within an interval. A open interval excludes its endpoints, and is denoted with square brackets.
+	///
+	/// @tparam L Integer between 1 and 4 included that qualify the dimension of the vector
+	/// @tparam T Floating-point or integer scalar types
+	/// @tparam Q Value from qualifier enum
+	///
+	/// @see ext_vector_relational
+	template <length_t L, typename T, qualifier Q>
+	GLM_FUNC_DECL vec<L, bool, Q> openBounded(vec<L, T, Q> const& Value, vec<L, T, Q> const& Min, vec<L, T, Q> const& Max);
+
+	/// Returns whether vector components values are within an interval. A closed interval includes its endpoints, and is denoted with square brackets.
+	///
+	/// @tparam L Integer between 1 and 4 included that qualify the dimension of the vector
+	/// @tparam T Floating-point or integer scalar types
+	/// @tparam Q Value from qualifier enum
+	///
+	/// @see ext_vector_relational
+	template <length_t L, typename T, qualifier Q>
+	GLM_FUNC_DECL vec<L, bool, Q> closeBounded(vec<L, T, Q> const& Value, vec<L, T, Q> const& Min, vec<L, T, Q> const& Max);
+
+	/// @}
+}//namespace glm
+
+#include "common.inl"