text: ///////////////////////////////////////////////////////////////////////////////////
  /// OpenGL Mathematics (glm.g-truc.net)
  ///
  /// Copyright (c) 2005 - 2014 G-Truc Creation (www.g-truc.net)
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  /// of this software and associated documentation files (the "Software"), to deal
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  /// 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,
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  /// THE SOFTWARE.
  ///
  /// @ref gtc_noise
  /// @file glm/gtc/noise.hpp
  /// @date 2011-04-21 / 2011-09-27
  /// @author Christophe Riccio
  ///
  /// @see core (dependence)
  ///
  /// @defgroup gtc_noise GLM_GTC_noise
  /// @ingroup gtc
  /// 
  /// Defines 2D, 3D and 4D procedural noise functions 
  /// Based on the work of Stefan Gustavson and Ashima Arts on "webgl-noise": 
  /// https://github.com/ashima/webgl-noise 
  /// Following Stefan Gustavson's paper "Simplex noise demystified": 
  /// http://www.itn.liu.se/~stegu/simplexnoise/simplexnoise.pdf
  /// <glm/gtc/noise.hpp> need to be included to use these functionalities.
  ///////////////////////////////////////////////////////////////////////////////////
  
  #pragma once
  
  // Dependencies
  #include "../detail/setup.hpp"
  #include "../detail/precision.hpp"
  #include "../detail/_noise.hpp"
  #include "../geometric.hpp"
  #include "../common.hpp"
  #include "../vector_relational.hpp"
  #include "../vec2.hpp"
  #include "../vec3.hpp"
  #include "../vec4.hpp"
  
  #if(defined(GLM_MESSAGES) && !defined(GLM_EXT_INCLUDED))
  #	pragma message("GLM: GLM_GTC_noise extension included")
  #endif
  
  namespace glm
  {
  	/// @addtogroup gtc_noise
  	/// @{
  
  	/// Classic perlin noise.
  	/// @see gtc_noise
  	template <typename T, precision P, template<typename, precision> class vecType>
  	GLM_FUNC_DECL T perlin(
  		vecType<T, P> const & p);
  		
  	/// Periodic perlin noise.
  	/// @see gtc_noise
  	template <typename T, precision P, template<typename, precision> class vecType>
  	GLM_FUNC_DECL T perlin(
  		vecType<T, P> const & p,
  		vecType<T, P> const & rep);
  
  	/// Simplex noise.
  	/// @see gtc_noise
  	template <typename T, precision P, template<typename, precision> class vecType>
  	GLM_FUNC_DECL T simplex(
  		vecType<T, P> const & p);
  
  	/// @}
  }//namespace glm
  
  #include "noise.inl"
  