text: ///////////////////////////////////////////////////////////////////////////////////////////////////
  // OpenGL Mathematics Copyright (c) 2005 - 2011 G-Truc Creation (www.g-truc.net)
  ///////////////////////////////////////////////////////////////////////////////////////////////////
  // Created : 2008-08-03
  // Updated : 2008-09-09
  // Licence : This source is under MIT License
  // File    : glm/core/func_vector_relational.hpp
  ///////////////////////////////////////////////////////////////////////////////////////////////////
  
  #ifndef glm_core_func_vector_relational
  #define glm_core_func_vector_relational
  
  #include "_detail.hpp"
  
  namespace glm
  {
  	namespace test{
  		void main_core_func_vector_relational();
  	}//namespace test
  
  	namespace core{
  	namespace function{
  	//! Define vector relational functions from Section 8.6 of GLSL 1.30.8 specification. 
  	//! Included in glm namespace.
  	namespace vector_relational
  	{
  		/// \addtogroup core_funcs
  		///@{
  
  		//! Returns the component-wise comparison result of x < y.
          //!
          //! \li <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/lessThan.xml">GLSL lessThan man page</a>
          //! \li GLSL 1.30.08 specification, section 8.6
          template <typename T, template <typename> class vecType> 
  		GLM_FUNC_QUALIFIER typename vecType<T>::bool_type lessThan
  		(
  			vecType<T> const & x, 
  			vecType<T> const & y
  		)
  		{
  			GLM_STATIC_ASSERT(detail::is_vector<vecType<T> >::_YES, 
  				"Invalid template instantiation of 'lessThan', GLM vector types required");
  			GLM_STATIC_ASSERT(detail::is_bool<T>::_NO,
  				"Invalid template instantiation of 'lessThan', GLM vector types required floating-point or integer value types vectors");
  
  			typename vecType<bool>::bool_type Result(vecType<bool>::null);
  			for(typename vecType<bool>::size_type i = 0; i < vecType<bool>::value_size(); ++i)
  				Result[i] = x[i] < y[i];
  
  			return Result;
  		}
  
  		//! Returns the component-wise comparison of result x <= y.
          //!
          //! \li <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/lessThanEqual.xml">GLSL lessThanEqual man page</a>
          //! \li GLSL 1.30.08 specification, section 8.6
  		template <typename T, template <typename> class vecType> 
  		GLM_FUNC_QUALIFIER typename vecType<T>::bool_type lessThanEqual
  		(
  			vecType<T> const & x, 
  			vecType<T> const & y
  		)
  		{
  			GLM_STATIC_ASSERT(detail::is_vector<vecType<T> >::_YES, 
  				"Invalid template instantiation of 'lessThanEqual', GLM vector types required");
  			GLM_STATIC_ASSERT(detail::is_bool<T>::_NO, 
  				"Invalid template instantiation of 'lessThanEqual', GLM vector types required floating-point or integer value types vectors");
  
  			typename vecType<bool>::bool_type Result(vecType<bool>::null);
  			for(typename vecType<bool>::size_type i = 0; i < vecType<bool>::value_size(); ++i)
  				Result[i] = x[i] <= y[i];
  			return Result;
  		}
  
  		//! Returns the component-wise comparison of result x > y.
          //!
          //! \li <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/greaterThan.xml">GLSL greaterThan man page</a>
          //! \li GLSL 1.30.08 specification, section 8.6
  		template <typename T, template <typename> class vecType> 
  		GLM_FUNC_QUALIFIER typename vecType<T>::bool_type greaterThan
  		(
  			vecType<T> const & x, 
  			vecType<T> const & y
  		)
  		{
  			GLM_STATIC_ASSERT(detail::is_vector<vecType<T> >::_YES, 
  				"Invalid template instantiation of 'greaterThan', GLM vector types required");
  			GLM_STATIC_ASSERT(detail::is_bool<T>::_NO, 
  				"Invalid template instantiation of 'greaterThan', GLM vector types required floating-point or integer value types vectors");
  
  			typename vecType<bool>::bool_type Result(vecType<bool>::null);
  			for(typename vecType<bool>::size_type i = 0; i < vecType<bool>::value_size(); ++i)
  				Result[i] = x[i] > y[i];
  			return Result;
  		}
  
  		//! Returns the component-wise comparison of result x >= y.
          //!
          //! \li <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/greaterThanEqual.xml">GLSL greaterThanEqual man page</a>
          //! \li GLSL 1.30.08 specification, section 8.6
  		template <typename T, template <typename> class vecType> 
  		GLM_FUNC_QUALIFIER typename vecType<T>::bool_type greaterThanEqual
  		(
  			vecType<T> const & x, 
  			vecType<T> const & y
  		)
  		{
  			GLM_STATIC_ASSERT(detail::is_vector<vecType<T> >::_YES, 
  				"Invalid template instantiation of 'greaterThanEqual', GLM vector types required");
  			GLM_STATIC_ASSERT(detail::is_bool<T>::_NO, 
  				"Invalid template instantiation of 'greaterThanEqual', GLM vector types required floating-point or integer value types vectors");
  
  			typename vecType<bool>::bool_type Result(vecType<bool>::null);
  			for(typename vecType<bool>::size_type i = 0; i < vecType<bool>::value_size(); ++i)
  				Result[i] = x[i] >= y[i];
  			return Result;
  		}
  
  		//! Returns the component-wise comparison of result x == y.
          //!
          //! \li <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/equal.xml">GLSL equal man page</a>
          //! \li GLSL 1.30.08 specification, section 8.6
  		template <typename T, template <typename> class vecType> 
  		GLM_FUNC_QUALIFIER typename vecType<T>::bool_type equal
  		(
  			vecType<T> const & x, 
  			vecType<T> const & y
  		)
  		{
  			GLM_STATIC_ASSERT(detail::is_vector<vecType<T> >::_YES, 
  				"Invalid template instantiation of 'equal', GLM vector types required");
  
  			typename vecType<bool>::bool_type Result(vecType<bool>::null);
  			for(typename vecType<bool>::size_type i = 0; i < vecType<bool>::value_size(); ++i)
  				Result[i] = x[i] == y[i];
  			return Result;
  		}
  
  		//! Returns the component-wise comparison of result x != y.
          //!
          //! \li <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/notEqual.xml">GLSL notEqual man page</a>
          //! \li GLSL 1.30.08 specification, section 8.6
  		template <typename T, template <typename> class vecType> 
  		GLM_FUNC_QUALIFIER typename vecType<T>::bool_type notEqual
  		(
  			vecType<T> const & x, 
  			vecType<T> const & y
  		)
  		{
  			GLM_STATIC_ASSERT(detail::is_vector<vecType<T> >::_YES, 
  				"Invalid template instantiation of 'notEqual', GLM vector types required");
  
  			typename vecType<bool>::bool_type Result(vecType<bool>::null);
  			for(typename vecType<bool>::size_type i = 0; i < vecType<bool>::value_size(); ++i)
  				Result[i] = x[i] != y[i];
  			return Result;
  		}
  
  		//! Returns true if any component of x is true.
          //!
          //! \li <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/any.xml">GLSL any man page</a>
          //! \li GLSL 1.30.08 specification, section 8.6
  		template <template <typename> class vecType> 
  		GLM_FUNC_QUALIFIER bool any(vecType<bool> const & v)
  		{
  			GLM_STATIC_ASSERT(detail::is_vector<vecType<bool> >::_YES, 
  				"Invalid template instantiation of 'any', GLM boolean vector types required");
  
  			bool Result = false;
  			for(typename vecType<bool>::size_type i = 0; i < vecType<bool>::value_size(); ++i)
  				Result = Result || v[i];
  			return Result;
  		}
  
  		//! Returns true if all components of x are true.
          //!
          //! \li <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/all.xml">GLSL all man page</a>
          //! \li GLSL 1.30.08 specification, section 8.6
  		template <template <typename> class vecType> 
  		GLM_FUNC_QUALIFIER bool all(vecType<bool> const & v)
  		{
  			GLM_STATIC_ASSERT(detail::is_vector<vecType<bool> >::_YES, 
  				"Invalid template instantiation of 'all', GLM boolean vector types required");
  
  			bool Result = true;
  			for(typename vecType<bool>::size_type i = 0; i < vecType<bool>::value_size(); ++i)
  				Result = Result && v[i];
  			return Result;
  		}
  
  		//! Returns the component-wise logical complement of x.
          //! /!\ Because of language incompatibilities between C++ and GLSL, GLM defines the function not but not_ instead.
          //!
          //! \li <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/not.xml">GLSL not man page</a>
          //! \li GLSL 1.30.08 specification, section 8.6
  		template <template <typename> class vecType> 
  		GLM_FUNC_QUALIFIER vecType<bool> not_(vecType<bool> const & v)
  		{
  			GLM_STATIC_ASSERT(detail::is_vector<vecType<bool> >::_YES, 
  				"Invalid template instantiation of 'not_', GLM vector types required");
  
  			typename vecType<bool>::bool_type Result(vecType<bool>::null);
  			for(typename vecType<bool>::size_type i = 0; i < vecType<bool>::value_size(); ++i)
  				Result[i] = !v[i];
  			return Result;
  		}
  
  		///@}
  
  	}//namespace vector_relational
  	}//namespace function
  	}//namespace core
  
  	using namespace core::function::vector_relational;
  }//namespace glm
  
  #include "func_vector_relational.inl"
  
  #endif//glm_core_func_vector_relational
  