raytracing/Glm/gtx/closest_point.hpp

///////////////////////////////////////////////////////////////////////////////////
/// OpenGL Mathematics (glm.g-truc.net)
///
/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
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/// all copies or substantial portions of the Software.
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/// @ref gtx_bit
/// @file glm/gtx/bit.hpp
/// @date 2005-12-30 / 2011-06-07
/// @author Christophe Riccio
///
/// @see core (dependence)
///
/// @defgroup gtx_closest_point GLM_GTX_closest_point
/// @ingroup gtx
///
/// @brief Find the point on a straight line which is the closet of a point.
/// 
/// <glm/gtx/closest_point.hpp> need to be included to use these functionalities.
///////////////////////////////////////////////////////////////////////////////////

#ifndef GLM_GTX_closest_point
#define GLM_GTX_closest_point GLM_VERSION

// Dependency:
#include "../glm.hpp"

#if(defined(GLM_MESSAGES) && !defined(glm_ext))
#	pragma message("GLM: GLM_GTX_closest_point extension included")
#endif

namespace glm
{
	/// @addtogroup gtx_closest_point
	/// @{

	/// Find the point on a straight line which is the closet of a point. 
	/// @see gtx_closest_point
	template <typename T> 
	detail::tvec3<T> closestPointOnLine(
		detail::tvec3<T> const & point, 
		detail::tvec3<T> const & a, 
		detail::tvec3<T> const & b);

	/// @}
}// namespace glm

#include "closest_point.inl"

#endif//GLM_GTX_closest_point