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91 lines
1.9 KiB
C
91 lines
1.9 KiB
C
#pragma once
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#if defined(_M_IX86)
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FORCEINLINE
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BOOL
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_FLOATOBJ_Equal(FLOATOBJ *pf1, FLOATOBJ *pf2)
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{
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EFLOAT_S *pef1 = (EFLOAT_S*)pf1;
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EFLOAT_S *pef2 = (EFLOAT_S*)pf2;
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return (pef1->lMant == pef2->lMant && pef1->lExp == pef2->lExp);
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}
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FORCEINLINE
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LONG
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_FLOATOBJ_GetLong(FLOATOBJ *pf)
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{
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EFLOAT_S *pef = (EFLOAT_S*)pf;
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return pef->lMant >> (32 - pef->lExp);
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}
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FORCEINLINE
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LONG
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_FLOATOBJ_GetFix(FLOATOBJ *pf)
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{
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EFLOAT_S *pef = (EFLOAT_S*)pf;
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LONG Shift = (28 - pef->lExp);
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return (Shift >= 0 ? pef->lMant >> Shift : pef->lMant << -Shift);
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}
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FORCEINLINE
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BOOL
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_FLOATOBJ_IsLong(FLOATOBJ *pf)
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{
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EFLOAT_S *pef = (EFLOAT_S*)pf;
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ULONG Shift = 32 - pef->lExp;
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if (Shift > 31) return FALSE;
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return (((pef->lMant >> Shift) << Shift) == pef->lMant);
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}
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FORCEINLINE
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BOOL
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_FLOATOBJ_Equal0(FLOATOBJ *pf)
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{
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EFLOAT_S *pef = (EFLOAT_S*)pf;
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return (pef->lMant == 0 && pef->lExp == 0);
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}
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FORCEINLINE
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BOOL
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_FLOATOBJ_Equal1(FLOATOBJ *pf)
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{
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EFLOAT_S *pef = (EFLOAT_S*)pf;
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return (pef->lMant == 0x40000000 && pef->lExp == 2);
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}
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extern const FLOATOBJ gef0;
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extern const FLOATOBJ gef1;
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extern const FLOATOBJ gef16;
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#define FLOATOBJ_0 {0x00000000, 0x00000000}
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#define FLOATOBJ_1 {0x40000000, 0x00000002}
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#define FLOATOBJ_16 {0x40000000, 0x00000006}
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#define FLOATOBJ_1_16 {0x40000000, 0xfffffffe}
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#define FLOATOBJ_Set0(fo) (fo)->ul1 = 0; (fo)->ul2 = 0;
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#define FLOATOBJ_Set1(fo) (fo)->ul1 = 0x40000000; (fo)->ul2 = 2;
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#else
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#define _FLOATOBJ_Equal(pf,pf1) (*(pf) == *(pf1))
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#define _FLOATOBJ_GetLong(pf) ((LONG)*(pf))
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#define _FLOATOBJ_IsLong(pf) ((FLOAT)((LONG)*(pf)) == *(pf))
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#define _FLOATOBJ_Equal0(pf) (*(pf) == 0.)
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#define _FLOATOBJ_Equal1(pf) (*(pf) == 1.)
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#define _FLOATOBJ_GetFix(pf) ((LONG)(*(pf) * 16.))
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#define FLOATOBJ_0 0.
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#define FLOATOBJ_1 1.
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#define FLOATOBJ_16 16.
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#define FLOATOBJ_1_16 (1./16.)
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static const FLOATOBJ gef0 = 0.;
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static const FLOATOBJ gef1 = 1.;
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static const FLOATOBJ gef16 = 16.;
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#define FLOATOBJ_Set0(fo) *(fo) = 0;
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#define FLOATOBJ_Set1(fo) *(fo) = 1;
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#endif
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