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/* ----------------------------------------------------------------------- *
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 * This file is part of GEL, http://www.imm.dtu.dk/GEL
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 * Copyright (C) the authors and DTU Informatics
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 * For license and list of authors, see ../../doc/intro.pdf
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 * ----------------------------------------------------------------------- */
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/** @file ArithVec4Float.h
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 * @brief Abstract 4D floating point vector class
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 */
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#ifndef __CGLA_ARITHVEC4FLOAT_H__
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#ifndef __CGLA_ARITHVEC4FLOAT_H__
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#define __CGLA_ARITHVEC4FLOAT_H__
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#define __CGLA_ARITHVEC4FLOAT_H__
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#include "ArithVecFloat.h"
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#include "ArithVecFloat.h"
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namespace CGLA {
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namespace CGLA {
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	/** \brief A four dimensional floating point vector template.
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	/** \brief A four dimensional floating point vector template.
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			This class is also used (via typedef) for
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			This class is also used (via typedef) for
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			homogeneous vectors.
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			homogeneous vectors.
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	*/
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	*/
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	template<class T, class V>
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	template<class T, class V>
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	class ArithVec4Float: public ArithVecFloat<T,V,4>
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	class ArithVec4Float: public ArithVecFloat<T,V,4>
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	{
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	{
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	public:
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	public:
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		/// Construct a (0,0,0,0) homogenous Vector
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		/// Construct a (0,0,0,0) homogenous Vector
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		ArithVec4Float() {}
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		ArithVec4Float() {}
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		/// Construct a 4D vector
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		/// Construct a 4D vector
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		ArithVec4Float(T a, T b, T c, T d):
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		ArithVec4Float(T a, T b, T c, T d):
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			ArithVecFloat<T,V,4>(a,b,c,d) {}
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			ArithVecFloat<T,V,4>(a,b,c,d) {}
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		/// Divide all coordinates by the fourth coordinate
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		/// Divide all coordinates by the fourth coordinate
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		void de_homogenize()
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		void de_homogenize()
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		{
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		{
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			float k = 1.0/(*this)[3];
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			float k = 1.0/(*this)[3];
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			(*this)[0] = (*this)[0]*k;
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			(*this)[0] = (*this)[0]*k;
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			(*this)[1] = (*this)[1]*k;
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			(*this)[1] = (*this)[1]*k;
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			(*this)[2] = (*this)[2]*k;
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			(*this)[2] = (*this)[2]*k;
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			(*this)[3] = 1.0;
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			(*this)[3] = 1.0;
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		}
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		}
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	};
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	};
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}
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}
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#endif
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#endif
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