mirror of https://github.com/PrimeDecomp/prime.git
76 lines
1.7 KiB
C++
76 lines
1.7 KiB
C++
#ifndef _CCAST
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#define _CCAST
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#include "types.h"
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#include "dolphin/os/OSFastCast.h"
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namespace CCast {
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#ifdef __MWERKS__
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inline uchar ToUint8(register float in) {
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uchar a;
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register uchar* ptr = &a;
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asm {
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psq_st in, 0(ptr), 1, OS_FASTCAST_U8
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}
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return *ptr;
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}
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inline char ToInt8(register float in) {
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char a;
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register char* ptr = &a;
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asm {
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psq_st in, 0(ptr), 1, OS_FASTCAST_S8
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}
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return *ptr;
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}
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inline float ToReal32(register const uchar& in) {
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register float r;
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asm {
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psq_l r, 0(in), 1, 2
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}
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return r;
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}
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inline short FtoS(register float in) {
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short a;
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register short* ptr = &a;
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asm {
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psq_st in, 0(ptr), 1, OS_FASTCAST_S16
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}
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return *ptr;
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}
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inline ushort FtoUS(register float in) {
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ushort a;
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register ushort* ptr = &a;
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asm {
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psq_st in, 0(ptr), 1, OS_FASTCAST_U16
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}
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return *ptr;
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}
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#else
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inline uchar ToUint8(float in) { return static_cast< uchar >(in); }
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inline char ToInt8(float in) { return static_cast< char >(in); }
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inline float ToReal32(uchar in) { return static_cast< float >(in); }
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inline short FtoS(float in) { return static_cast< short >(in); }
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inline ushort FtoUS(float in) { return static_cast< ushort >(in); }
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#endif
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inline uchar ToUint8(int c) { return static_cast< uchar >(c); }
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inline int FtoL(float in) { return static_cast< int >(in); }
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inline float LtoF(int in) { return static_cast< float >(in); }
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inline float ToReal32(int in) { return static_cast< float >(in); }
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inline int ToInt32(float in) { return static_cast< int >(in); }
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inline unsigned short ToUint16(short in) { return static_cast<unsigned short >(in); }
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inline char ToChar(int c) { return ToUint8(c); }
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} // namespace CCast
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#endif // _CCAST
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