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diff --git a/external/include/glm/gtc/integer.hpp b/external/include/glm/gtc/integer.hpp
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+++ b/external/include/glm/gtc/integer.hpp
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+/// @ref gtc_integer
+/// @file glm/gtc/integer.hpp
+///
+/// @see core (dependence)
+/// @see gtc_integer (dependence)
+///
+/// @defgroup gtc_integer GLM_GTC_integer
+/// @ingroup gtc
+///
+/// @brief Allow to perform bit operations on integer values
+///
+/// <glm/gtc/integer.hpp> need to be included to use these functionalities.
+
+#pragma once
+
+// Dependencies
+#include "../detail/setup.hpp"
+#include "../detail/precision.hpp"
+#include "../detail/func_common.hpp"
+#include "../detail/func_integer.hpp"
+#include "../detail/func_exponential.hpp"
+#include <limits>
+
+#if GLM_MESSAGES == GLM_MESSAGES_ENABLED && !defined(GLM_EXT_INCLUDED)
+#	pragma message("GLM: GLM_GTC_integer extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtc_integer
+	/// @{
+
+	/// Returns the log2 of x for integer values. Can be reliably using to compute mipmap count from the texture size.
+	/// @see gtc_integer
+	template <typename genIUType>
+	GLM_FUNC_DECL genIUType log2(genIUType x);
+
+	/// Modulus. Returns x % y
+	/// for each component in x using the floating point value y.
+	///
+	/// @tparam genIUType Integer-point scalar or vector types.
+	///
+	/// @see gtc_integer
+	/// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/mod.xml">GLSL mod 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 genIUType>
+	GLM_FUNC_DECL genIUType mod(genIUType x, genIUType y);
+
+	/// Modulus. Returns x % y
+	/// for each component in x using the floating point value y.
+	///
+	/// @tparam T Integer scalar types.
+	/// @tparam vecType vector types.
+	///
+	/// @see gtc_integer
+	/// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/mod.xml">GLSL mod 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 T, precision P, template <typename, precision> class vecType>
+	GLM_FUNC_DECL vecType<T, P> mod(vecType<T, P> const & x, T y);
+
+	/// Modulus. Returns x % y
+	/// for each component in x using the floating point value y.
+	///
+	/// @tparam T Integer scalar types.
+	/// @tparam vecType vector types.
+	///
+	/// @see gtc_integer
+	/// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/mod.xml">GLSL mod 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 T, precision P, template <typename, precision> class vecType>
+	GLM_FUNC_DECL vecType<T, P> mod(vecType<T, P> const & x, vecType<T, P> const & y);
+
+	/// Returns a value equal to the nearest integer to x.
+	/// The fraction 0.5 will round in a direction chosen by the
+	/// implementation, presumably the direction that is fastest.
+	/// 
+	/// @param x The values of the argument must be greater or equal to zero.
+	/// @tparam T floating point scalar types.
+	/// @tparam vecType vector types.
+	/// 
+	/// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/round.xml">GLSL round man page</a>
+	/// @see gtc_integer
+	template <typename T, precision P, template <typename, precision> class vecType>
+	GLM_FUNC_DECL vecType<int, P> iround(vecType<T, P> const & x);
+
+	/// Returns a value equal to the nearest integer to x.
+	/// The fraction 0.5 will round in a direction chosen by the
+	/// implementation, presumably the direction that is fastest.
+	/// 
+	/// @param x The values of the argument must be greater or equal to zero.
+	/// @tparam T floating point scalar types.
+	/// @tparam vecType vector types.
+	/// 
+	/// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/round.xml">GLSL round man page</a>
+	/// @see gtc_integer
+	template <typename T, precision P, template <typename, precision> class vecType>
+	GLM_FUNC_DECL vecType<uint, P> uround(vecType<T, P> const & x);
+
+	/// @}
+} //namespace glm
+
+#include "integer.inl"