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+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2015 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// Restrictions:
+///		By making use of the Software for military purposes, you choose to make
+///		a Bunny unhappy.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtc_round
+/// @file glm/gtc/round.hpp
+/// @date 2014-11-03 / 2014-11-03
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+/// @see gtc_round (dependence)
+///
+/// @defgroup gtc_round GLM_GTC_round
+/// @ingroup gtc
+/// 
+/// @brief rounding value to specific boundings
+/// 
+/// <glm/gtc/round.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#pragma once
+
+// Dependencies
+#include "../detail/setup.hpp"
+#include "../detail/precision.hpp"
+#include "../detail/_vectorize.hpp"
+#include "../vector_relational.hpp"
+#include "../common.hpp"
+#include <limits>
+
+#if(defined(GLM_MESSAGES) && !defined(GLM_EXT_INCLUDED))
+#	pragma message("GLM: GLM_GTC_integer extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtc_round
+	/// @{
+
+	/// Return true if the value is a power of two number.
+	///
+	/// @see gtc_round
+	template <typename genIUType>
+	GLM_FUNC_DECL bool isPowerOfTwo(genIUType Value);
+
+	/// Return true if the value is a power of two number.
+	///
+	/// @see gtc_round
+	template <typename T, precision P, template <typename, precision> class vecType>
+	GLM_FUNC_DECL vecType<bool, P> isPowerOfTwo(vecType<T, P> const & value);
+
+	/// Return the power of two number which value is just higher the input value,
+	/// round up to a power of two.
+	///
+	/// @see gtc_round
+	template <typename genIUType>
+	GLM_FUNC_DECL genIUType ceilPowerOfTwo(genIUType Value);
+
+	/// Return the power of two number which value is just higher the input value,
+	/// round up to a power of two.
+	///
+	/// @see gtc_round
+	template <typename T, precision P, template <typename, precision> class vecType>
+	GLM_FUNC_DECL vecType<T, P> ceilPowerOfTwo(vecType<T, P> const & value);
+
+	/// Return the power of two number which value is just lower the input value,
+	/// round down to a power of two.
+	///
+	/// @see gtc_round
+	template <typename genIUType>
+	GLM_FUNC_DECL genIUType floorPowerOfTwo(genIUType Value);
+
+	/// Return the power of two number which value is just lower the input value,
+	/// round down to a power of two.
+	///
+	/// @see gtc_round
+	template <typename T, precision P, template <typename, precision> class vecType>
+	GLM_FUNC_DECL vecType<T, P> floorPowerOfTwo(vecType<T, P> const & value);
+
+	/// Return the power of two number which value is the closet to the input value.
+	///
+	/// @see gtc_round
+	template <typename genIUType>
+	GLM_FUNC_DECL genIUType roundPowerOfTwo(genIUType Value);
+
+	/// Return the power of two number which value is the closet to the input value.
+	///
+	/// @see gtc_round
+	template <typename T, precision P, template <typename, precision> class vecType>
+	GLM_FUNC_DECL vecType<T, P> roundPowerOfTwo(vecType<T, P> const & value);
+
+	/// Return true if the 'Value' is a multiple of 'Multiple'.
+	///
+	/// @see gtc_round
+	template <typename genIUType>
+	GLM_FUNC_DECL bool isMultiple(genIUType Value, genIUType Multiple);
+
+	/// Return true if the 'Value' is a multiple of 'Multiple'.
+	///
+	/// @see gtc_round
+	template <typename T, precision P, template <typename, precision> class vecType>
+	GLM_FUNC_DECL vecType<bool, P> isMultiple(vecType<T, P> const & Value, T Multiple);
+
+	/// Return true if the 'Value' is a multiple of 'Multiple'.
+	///
+	/// @see gtc_round
+	template <typename T, precision P, template <typename, precision> class vecType>
+	GLM_FUNC_DECL vecType<bool, P> isMultiple(vecType<T, P> const & Value, vecType<T, P> const & Multiple);
+
+	/// Higher multiple number of Source.
+	///
+	/// @tparam genType Floating-point or integer scalar or vector types.
+	/// @param Source 
+	/// @param Multiple Must be a null or positive value
+	///
+	/// @see gtc_round
+	template <typename genType>
+	GLM_FUNC_DECL genType ceilMultiple(genType Source, genType Multiple);
+
+	/// Higher multiple number of Source.
+	///
+	/// @tparam genType Floating-point or integer scalar or vector types.
+	/// @param Source 
+	/// @param Multiple Must be a null or positive value
+	///
+	/// @see gtc_round
+	template <typename T, precision P, template <typename, precision> class vecType>
+	GLM_FUNC_DECL vecType<T, P> ceilMultiple(vecType<T, P> const & Source, vecType<T, P> const & Multiple);
+
+	/// Lower multiple number of Source.
+	///
+	/// @tparam genType Floating-point or integer scalar or vector types.
+	/// @param Source 
+	/// @param Multiple Must be a null or positive value
+	///
+	/// @see gtc_round
+	template <typename genType>
+	GLM_FUNC_DECL genType floorMultiple(
+		genType Source,
+		genType Multiple);
+
+	/// Lower multiple number of Source.
+	///
+	/// @tparam genType Floating-point or integer scalar or vector types.
+	/// @param Source 
+	/// @param Multiple Must be a null or positive value
+	///
+	/// @see gtc_round
+	template <typename T, precision P, template <typename, precision> class vecType>
+	GLM_FUNC_DECL vecType<T, P> floorMultiple(
+		vecType<T, P> const & Source,
+		vecType<T, P> const & Multiple);
+
+	/// Lower multiple number of Source.
+	///
+	/// @tparam genType Floating-point or integer scalar or vector types.
+	/// @param Source 
+	/// @param Multiple Must be a null or positive value
+	///
+	/// @see gtc_round
+	template <typename genType>
+	GLM_FUNC_DECL genType roundMultiple(
+		genType Source,
+		genType Multiple);
+
+	/// Lower multiple number of Source.
+	///
+	/// @tparam genType Floating-point or integer scalar or vector types.
+	/// @param Source 
+	/// @param Multiple Must be a null or positive value
+	///
+	/// @see gtc_round
+	template <typename T, precision P, template <typename, precision> class vecType>
+	GLM_FUNC_DECL vecType<T, P> roundMultiple(
+		vecType<T, P> const & Source,
+		vecType<T, P> const & Multiple);
+
+	/// @}
+} //namespace glm
+
+#include "round.inl"