type_half.hpp

// OpenGL Mathematics Copyright (c) 2005 - 2009 G-Truc Creation (www.g-truc.net)
// Created : 2008-08-17
// Updated : 2009-11-12
// Licence : This source is under MIT License
// File    : glm/core/type_half.hpp

#ifndef glm_core_type_half
#define glm_core_type_half

#include <cstdlib>

namespace glm
{
        namespace test
        {
                bool main_type_half();

        }//namespace test

        namespace detail
        {
                typedef short hdata;

                float toFloat32(hdata value);
                hdata toFloat16(float const & value);

                class thalf
                {
                public: 
                        // Constructors
                        thalf();
                        thalf(thalf const & s);
                        
                        template <typename U>
                        thalf(U const & s);

                        // Cast
                        //operator float();
                        operator float() const;
                        //operator double();
                        //operator double() const;

                        // Unary updatable operators
                        thalf& operator= (thalf const & s);
                        thalf& operator+=(thalf const & s);
                        thalf& operator-=(thalf const & s);
                        thalf& operator*=(thalf const & s);
                        thalf& operator/=(thalf const & s);
                        thalf& operator++();
                        thalf& operator--();
        
                        float toFloat() const{return toFloat32(data);}

                        hdata _data() const{return data;}

                private:
                        hdata data;
                };

                thalf operator+ (thalf const & s1, thalf const & s2);

                thalf operator- (thalf const & s1, thalf const & s2);

                thalf operator* (thalf const & s1, thalf const & s2);

                thalf operator/ (thalf const & s1, thalf const & s2);

                // Unary constant operators
                thalf operator- (thalf const & s);

                thalf operator-- (thalf const & s, int);

                thalf operator++ (thalf const & s, int);

        }//namespace detail


}//namespace glm

#include "type_half.inl"

#endif//glm_core_type_half

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