text: ///////////////////////////////////////////////////////////////////////////////////////////////////
  // OpenGL Mathematics Copyright (c) 2005 - 2010 G-Truc Creation (www.g-truc.net)
  ///////////////////////////////////////////////////////////////////////////////////////////////////
  // Created : 2009-05-06
  // Updated : 2009-05-06
  // Licence : This source is under MIT License
  // File    : glm/gtx/type_ptr.hpp
  ///////////////////////////////////////////////////////////////////////////////////////////////////
  // Dependency:
  // - GLM core
  ///////////////////////////////////////////////////////////////////////////////////////////////////
  
  #ifndef glm_gtx_type_ptr
  #define glm_gtx_type_ptr
  
  // Dependency:
  #include "../glm.hpp"
  
  namespace glm
  {
  	namespace test{
  		void main_gtx_type_ptr();
  	}//namespace test
  
  	namespace gtx{
  	//! GLM_GTX_type_ptr extension: Get access to vectors & matrices value type address.
  	namespace type_ptr{
  
  		//! Get the const address of the vector content.
  		//! From GLM_GTX_type_ptr extension.
  		template<typename valType>
  		inline valType const * value_ptr(detail::tvec2<valType> const & vec)
  		{
  			return &(vec.x);
  		}
  
  		//! Get the address of the vector content.
  		//! From GLM_GTX_type_ptr extension.
  		template<typename valType>
  		inline valType * value_ptr(detail::tvec2<valType> & vec)
  		{
  			return &(vec.x);
  		}
  
  		//! Get the const address of the vector content.
  		//! From GLM_GTX_type_ptr extension.
  		template<typename valType>
  		inline valType const * value_ptr(detail::tvec3<valType> const & vec)
  		{
  			return &(vec.x);
  		}
  
  		//! Get the address of the vector content.
  		//! From GLM_GTX_type_ptr extension.
  		template<typename valType>
  		inline valType * value_ptr(detail::tvec3<valType>  & vec)
  		{
  			return &(vec.x);
  		}
  		
  		//! Get the const address of the vector content.
  		//! From GLM_GTX_type_ptr extension.
  		template<typename valType>
  		inline valType const * value_ptr(detail::tvec4<valType> const & vec)
  		{
  			return &(vec.x);
  		}
  
  		//! Get the address of the vector content.
  		//! From GLM_GTX_type_ptr extension.
  		template<typename valType>
  		inline valType * value_ptr(detail::tvec4<valType> & vec)
  		{
  			return &(vec.x);
  		}
  
  		//! Get the const address of the matrix content.
  		//! From GLM_GTX_type_ptr extension.
  		template<typename valType>
  		inline valType const * value_ptr(detail::tmat2x2<valType> const & mat)
  		{
  			return &(mat[0].x);
  		}
  
  		//! Get the address of the matrix content.
  		//! From GLM_GTX_type_ptr extension.
  		template<typename valType>
  		inline valType * value_ptr(detail::tmat2x2<valType> & mat)
  		{
  			return &(mat[0].x);
  		}
  		
  		//! Get the const address of the matrix content.
  		//! From GLM_GTX_type_ptr extension.
  		template<typename valType>
  		inline valType const * value_ptr(detail::tmat3x3<valType> const & mat)
  		{
  			return &(mat[0].x);
  		}
  
  		//! Get the address of the matrix content.
  		//! From GLM_GTX_type_ptr extension.
  		template<typename valType>
  		inline valType * value_ptr(detail::tmat3x3<valType> & mat)
  		{
  			return &(mat[0].x);
  		}
  		
  		//! Get the const address of the matrix content.
  		//! From GLM_GTX_type_ptr extension.
  		template<typename valType>
  		inline valType const * value_ptr(detail::tmat4x4<valType> const & mat)
  		{
  			return &(mat[0].x);
  		}
  
  		//! Get the address of the matrix content.
  		//! From GLM_GTX_type_ptr extension.
  		template<typename valType>
  		inline valType * value_ptr(detail::tmat4x4<valType> & mat)
  		{
  			return &(mat[0].x);
  		}
  
  		//! Get the const address of the matrix content.
  		//! From GLM_GTX_type_ptr extension.
  		template<typename valType>
  		inline valType const * value_ptr(detail::tmat2x3<valType> const & mat)
  		{
  			return &(mat[0].x);
  		}
  
  		//! Get the address of the matrix content.
  		//! From GLM_GTX_type_ptr extension.
  		template<typename valType>
  		inline valType * value_ptr(detail::tmat2x3<valType> & mat)
  		{
  			return &(mat[0].x);
  		}
  		
  		//! Get the const address of the matrix content.
  		//! From GLM_GTX_type_ptr extension.
  		template<typename valType>
  		inline valType const * value_ptr(detail::tmat3x2<valType> const & mat)
  		{
  			return &(mat[0].x);
  		}
  
  		//! Get the address of the matrix content.
  		//! From GLM_GTX_type_ptr extension.
  		template<typename valType>
  		inline valType * value_ptr(detail::tmat3x2<valType> & mat)
  		{
  			return &(mat[0].x);
  		}
  		
  		//! Get the const address of the matrix content.
  		//! From GLM_GTX_type_ptr extension.
  		template<typename valType>
  		inline valType const * value_ptr(detail::tmat2x4<valType> const & mat)
  		{
  			return &(mat[0].x);
  		}
  
  		//! Get the address of the matrix content.
  		//! From GLM_GTX_type_ptr extension.
  		template<typename valType>
  		inline valType * value_ptr(detail::tmat2x4<valType> & mat)
  		{
  			return &(mat[0].x);
  		}
  		
  		//! Get the const address of the matrix content.
  		//! From GLM_GTX_type_ptr extension.
  		template<typename valType>
  		inline valType const * value_ptr(detail::tmat4x2<valType> const & mat)
  		{
  			return &(mat[0].x);
  		}
  
  		//! Get the address of the matrix content.
  		//! From GLM_GTX_type_ptr extension.
  		template<typename valType>
  		inline valType * value_ptr(detail::tmat4x2<valType> & mat)
  		{
  			return &(mat[0].x);
  		}
  		
  		//! Get the const address of the matrix content.
  		//! From GLM_GTX_type_ptr extension.
  		template<typename valType>
  		inline valType const * value_ptr(detail::tmat3x4<valType> const & mat)
  		{
  			return &(mat[0].x);
  		}
  
  		//! Get the address of the matrix content.
  		//! From GLM_GTX_type_ptr extension.
  		template<typename valType>
  		inline valType * value_ptr(detail::tmat3x4<valType> & mat)
  		{
  			return &(mat[0].x);
  		}
  		
  		//! Get the const address of the matrix content.
  		//! From GLM_GTX_type_ptr extension.
  		template<typename valType>
  		inline valType const * value_ptr(detail::tmat4x3<valType> const & mat)
  		{
  			return &(mat[0].x);
  		}
  
  		//! Get the address of the matrix content.
  		//! From GLM_GTX_type_ptr extension.
  		template<typename valType>
  		inline valType * value_ptr(detail::tmat4x3<valType> & mat)
  		{
  			return &(mat[0].x);
  		}
  
  	}//namespace type_ptr
  	}//namespace gtx
  }//namespace glm
  
  #include "type_ptr.inl"
  
  namespace glm{using namespace gtx::type_ptr;}
  
  #endif//glm_gtx_type_ptr
  
  