prime/include/Kyoto/Basics/CCast.hpp

64 lines
1.3 KiB
C++

#ifndef _CCAST
#define _CCAST
#include "types.h"
#include "dolphin/os/OSFastCast.h"
namespace CCast {
#ifdef __MWERKS__
inline uchar ToUint8(register float in) {
uchar a;
register uchar* ptr = &a;
asm {
psq_st in, 0(ptr), 1, OS_FASTCAST_U8
}
return *ptr;
}
inline float ToReal32(register const uchar& in) {
register float r;
asm {
psq_l r, 0(in), 1, 2
}
return r;
}
inline short FtoS(register float in) {
short a;
register short* ptr = &a;
asm {
psq_st in, 0(ptr), 1, OS_FASTCAST_S16
}
return *ptr;
}
inline ushort FtoUS(register float in) {
ushort a;
register ushort* ptr = &a;
asm {
psq_st in, 0(ptr), 1, OS_FASTCAST_U16
}
return *ptr;
}
inline int FtoL(float in) { return static_cast< int >(in); }
inline float LtoF(int in) { return static_cast< float >(in); }
#else
inline uchar ToUint8(float in) { return static_cast< uchar >(in); }
inline float ToReal32(uchar in) { return static_cast< float >(in); }
inline short FtoS(float in) { return static_cast< short >(in); }
inline ushort FtoUS(float in) { return static_cast< ushort >(in); }
inline int FtoL(float in) { return static_cast< int >(in); }
inline float LtoF(int in) { return static_cast< float >(in); }
#endif
inline int ToInt32(float in) { return static_cast< int >(in); }
} // namespace CCast
#endif // _CCAST