text: ///////////////////////////////////////////////////////////////////////////////////
  /// 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 gtx_optimum_pow
  /// @file glm/gtx/optimum_pow.hpp
  /// @date 2005-12-21 / 2011-06-07
  /// @author Christophe Riccio
  ///
  /// @see core (dependence)
  ///
  /// @defgroup gtx_optimum_pow GLM_GTX_optimum_pow
  /// @ingroup gtx
  /// 
  /// @brief Integer exponentiation of power functions.
  /// 
  /// <glm/gtx/optimum_pow.hpp> need to be included to use these functionalities.
  ///////////////////////////////////////////////////////////////////////////////////
  
  #pragma once
  
  // Dependency:
  #include "../glm.hpp"
  
  #if(defined(GLM_MESSAGES) && !defined(GLM_EXT_INCLUDED))
  #    pragma message("GLM: GLM_GTX_optimum_pow extension included")
  #endif
  
  namespace glm{
  namespace gtx
  {
      /// @addtogroup gtx_optimum_pow
      /// @{
  
      /// Returns x raised to the power of 2.
      ///
      /// @see gtx_optimum_pow
      template <typename genType>
      GLM_FUNC_DECL genType pow2(genType const & x);
  
      /// Returns x raised to the power of 3.
      ///
      /// @see gtx_optimum_pow
      template <typename genType>
      GLM_FUNC_DECL genType pow3(genType const & x);
  
      /// Returns x raised to the power of 4.
      ///
      /// @see gtx_optimum_pow
      template <typename genType>
      GLM_FUNC_DECL genType pow4(genType const & x);
  
      /// @}
  }//namespace gtx
  }//namespace glm
  
  #include "optimum_pow.inl"
  