text: ///////////////////////////////////////////////////////////////////////////////////////////////////
  // OpenGL Mathematics Copyright (c) 2005 - 2009 G-Truc Creation (www.g-truc.net)
  ///////////////////////////////////////////////////////////////////////////////////////////////////
  // Created : 2008-08-08
  // Updated : 2008-09-06
  // Licence : This source is under MIT License
  // File    : glm/core/func_exponential.h
  ///////////////////////////////////////////////////////////////////////////////////////////////////
  
  #ifndef glm_core_func_exponential
  #define glm_core_func_exponential
  
  namespace glm
  {
  	namespace test{
  		void main_core_func_exponential();
  	}//namespace test
  
  	namespace core{
  	namespace function{
  	//! Define all exponential functions from Section 8.2 of GLSL 1.30.8 specification. Included in glm namespace.
  	namespace exponential{
  
  	//! Returns x raised to the y power. 
  	//! (From GLSL 1.30.08 specification, section 8.2)
  	template <typename genType> 
  	genType pow(genType const & x, genType const & y);
  
  	//! Returns the natural exponentiation of x, i.e., e^x.
  	//! (From GLSL 1.30.08 specification, section 8.2)
  	template <typename genType> 
  	genType exp(genType const & x);
  
  	//! Returns the natural logarithm of x, i.e., 
  	//! returns the value y which satisfies the equation x = e^y. 
  	//! Results are undefined if x <= 0.
  	//! (From GLSL 1.30.08 specification, section 8.2)
  	template <typename genType> 
  	genType log(genType const & x);
  
  	//! Returns 2 raised to the x power.
  	//! (From GLSL 1.30.08 specification, section 8.2)
  	template <typename genType> 
  	genType exp2(genType const & x);
  
  	//! Returns the base 2 log of x, i.e., returns the value y, 
  	//! which satisfies the equation x = 2 ^ y.
  	//! (From GLSL 1.30.08 specification, section 8.2)
  	template <typename genType> 
  	genType log2(genType const & x);
  
  	//! Returns the positive square root of x.
  	//! (From GLSL 1.30.08 specification, section 8.2)
  	template <typename genType> 
  	genType sqrt(genType const & x);
      
  	//! Returns the reciprocal of the positive square root of x.
  	//! (From GLSL 1.30.08 specification, section 8.2)
  	template <typename genType> 
  	genType inversesqrt(genType const & x);
  
  	}//namespace exponential
  	}//namespace function
  	}//namespace core
  
  	using namespace core::function::exponential;
  }//namespace glm
  
  #include "func_exponential.inl"
  
  #endif//glm_core_func_exponential
  