glm/experimental/half/half.h
2010-04-29 12:26:58 +01:00

120 lines
2.4 KiB
C++

#ifndef __HALF_H__
#define __HALF_H__
namespace dev
{
/* namespace detail
{
class _halfGTX;
struct hdata
{
hdata() : data(0) {}
hdata(const hdata& value);
//hdata(float value);
hdata& operator=(_halfGTX s);
hdata& operator=(float s);
hdata& operator=(double s);
//operator float();
//operator const float() const;
short data;
};
float _toFloat32(hdata value);
hdata _toFloat16(float value);
union uif
{
int i;
float f;
};
class _halfGTX
{
public:
// Constructors
_halfGTX();
_halfGTX(float s);
_halfGTX(double s);
_halfGTX(int s);
_halfGTX(bool s);
_halfGTX(detail::hdata value) :
data(value)
{}
operator float() const;
operator double() const;
operator int() const;
operator detail::hdata() const;
// Operators
_halfGTX& operator=(_halfGTX s);
_halfGTX& operator=(float s);
_halfGTX operator+ (_halfGTX s) const;
_halfGTX& operator+= (_halfGTX s);
_halfGTX operator+ (float s) const;
_halfGTX& operator+= (float s);
_halfGTX operator- (_halfGTX s) const;
_halfGTX& operator-= (_halfGTX s);
_halfGTX operator- (float s) const;
_halfGTX& operator-= (float s);
_halfGTX operator* (_halfGTX s) const;
_halfGTX& operator*= (_halfGTX s);
_halfGTX operator* (float s) const;
_halfGTX& operator*= (float s);
_halfGTX operator/ (_halfGTX s) const;
_halfGTX& operator/= (_halfGTX s);
_halfGTX operator/ (float s) const;
_halfGTX& operator/= (float s);
_halfGTX operator- () const;
_halfGTX operator++ ();
_halfGTX operator++ (int n) const;
_halfGTX operator-- ();
_halfGTX operator-- (int n) const;
bool operator< (const _halfGTX& s) const;
bool operator> (const _halfGTX& s) const;
bool operator<=(const _halfGTX& s) const;
bool operator>=(const _halfGTX& s) const;
bool operator==(const _halfGTX& s) const;
bool operator!=(const _halfGTX& s) const;
detail::hdata _data() const{return data;}
private:
detail::hdata data;
};
class _hvec2GTX
{
public:
typedef _halfGTX value_type;
typedef int size_type;
static const size_type value_size;
union
{
struct{detail::hdata x, y;};
struct{detail::hdata r, g;};
struct{detail::hdata s, t;};
};
_hvec2GTX()
{}
_hvec2GTX(const _halfGTX x, const _halfGTX y) :
x(x._data()),
y(y._data())
{}
};
}
*/
}
//#include "half.inl"
#endif//__HALF_H__