type_half.hpp

// OpenGL Mathematics Copyright (c) 2005 - 2011 G-Truc Creation (www.g-truc.net)
// Created : 2008-08-17
// Updated : 2010-02-17
// 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 detail
{
        typedef short hdata;

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

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

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

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

                GLM_FUNC_DECL 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