Source code of Windows XP (NT5)
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/* values used by math functions -- IEEE 754 float version */#include "wctype.h"
#include "xmath.h"
_STD_BEGIN
/* macros */#define NBITS (16 + _FOFF)
#if _D0
#define INIT(w0) {0, w0}
#define INIT2(w0, w1) {w1, w0}
#else
#define INIT(w0) {w0, 0}
#define INIT2(w0, w1) {w0, w1}
#endif
/* static data */_CRTIMP2 const _Dconst _FDenorm = {INIT2(0, 1)};_CRTIMP2 const _Dconst _FEps = {INIT((_FBIAS - NBITS - 1) << _FOFF)};_CRTIMP2 const _Dconst _FInf = {INIT(_FMAX << _FOFF)};_CRTIMP2 const _Dconst _FNan = {INIT(_FSIGN | (_FMAX << _FOFF) | (1 << (_FOFF - 1)))};_CRTIMP2 const _Dconst _FSnan = {INIT(_FSIGN | (_FMAX << _FOFF))};_CRTIMP2 const _Dconst _FRteps = {INIT((_FBIAS - NBITS / 2) << _FOFF)};_CRTIMP2 const float _FXbig = (NBITS + 1) * 347L / 1000;
#if defined(__CENTERLINE__)
#define _DYNAMIC_INIT_CONST(x) \
(x._F = *(float *)(void *)(x._W))_DYNAMIC_INIT_CONST(_FEps);_DYNAMIC_INIT_CONST(_FInf);_DYNAMIC_INIT_CONST(_FNan);_DYNAMIC_INIT_CONST(_FRteps);#endif
_STD_END
/*
* Copyright (c) 1994 by P.J. Plauger. ALL RIGHTS RESERVED. * Consult your license regarding permissions and restrictions. */
/*
941029 pjp: added _STD machinery950222 pjp: added signaling NaN, denorm minimum for C++950405 pjp: corrected _FSnan punctuation950505 pjp: corrected _FDenorm spelling */
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