34 lines
1 KiB
C
34 lines
1 KiB
C
|
/* values used by math functions -- IEEE 754 version */
|
||
|
|
#include "xmath.h"
|
||
|
|
_STD_BEGIN
|
||
|
|
|
||
|
|
/* macros */
|
||
|
|
#define NBITS (48 + _DOFF)
|
||
|
|
#if _D0 == 0
|
||
|
|
#define INIT(w0) {w0, 0, 0, 0}
|
||
|
|
#define INIT2(w0, w1) {w0, 0, 0, w1}
|
||
|
|
#else
|
||
|
|
#define INIT(w0) {0, 0, 0, w0}
|
||
|
|
#define INIT2(w0, w1) {w1, 0, 0, w0}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* static data */
|
||
|
|
_CRTIMP2 const _Dconst _Denorm = {INIT2(0, 1)};
|
||
|
|
_CRTIMP2 const _Dconst _Eps = {INIT((_DBIAS - NBITS - 1) << _DOFF)};
|
||
|
|
_CRTIMP2 const _Dconst _Hugeval = {INIT(_DMAX << _DOFF)};
|
||
|
|
_CRTIMP2 const _Dconst _Inf = {INIT(_DMAX << _DOFF)};
|
||
|
|
_CRTIMP2 const _Dconst _Nan = {INIT(_DSIGN | (_DMAX << _DOFF)
|
||
|
|
| (1 << (_DOFF - 1)))};
|
||
|
|
_CRTIMP2 const _Dconst _Rteps = {INIT((_DBIAS - NBITS / 2) << _DOFF)};
|
||
|
|
_CRTIMP2 const _Dconst _Snan = {INIT(_DSIGN | (_DMAX << _DOFF)
|
||
|
|
| (1 << (_DOFF - 1)))};
|
||
|
|
|
||
|
|
_CRTIMP2 const double _Xbig = (NBITS + 1) * 347L / 1000;
|
||
|
|
_CRTIMP2 const double _Zero = 0.0;
|
||
|
|
_STD_END
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Copyright (c) 1992-2001 by P.J. Plauger. ALL RIGHTS RESERVED.
|
||
|
|
* Consult your license regarding permissions and restrictions.
|
||
|
|
V3.10:0009 */
|