1/**
  2 * This file has no copyright assigned and is placed in the Public Domain.
  3 * This file is part of the mingw-w64 runtime package.
  4 * No warranty is given; refer to the file DISCLAIMER.PD within this package.
  5 */
  6#ifndef _XMATH
  7#define _XMATH
  8#include <errno.h>
  9#include <math.h>
 10#include <stddef.h>
 11#include <ymath.h>
 12
 13_C_STD_BEGIN
 14
 15#define _DBIAS 0x3fe
 16#define _DOFF 4
 17#define _FBIAS 0x7e
 18#define _FOFF 7
 19#define _FRND 1
 20
 21#define _D0 3
 22#define _D1 2
 23#define _D2 1
 24#define _D3 0
 25#define _DLONG 0
 26#define _LBIAS 0x3fe
 27#define _LOFF 4
 28
 29#define _DFRAC ((unsigned short)((1 << _DOFF) - 1))
 30#define _DMASK ((unsigned short)(0x7fff & ~_DFRAC))
 31#define _DMAX ((unsigned short)((1 << (15 - _DOFF)) - 1))
 32#define _DSIGN ((unsigned short)0x8000)
 33#define DSIGN(x) (((unsigned short *)&(x))[_D0] & _DSIGN)
 34#define HUGE_EXP (int)(_DMAX *900L / 1000)
 35#define HUGE_RAD 2.73e9
 36#define SAFE_EXP ((unsigned short)(_DMAX >> 1))
 37
 38#define _FFRAC ((unsigned short)((1 << _FOFF) - 1))
 39#define _FMASK ((unsigned short)(0x7fff & ~_FFRAC))
 40#define _FMAX ((unsigned short)((1 << (15 - _FOFF)) - 1))
 41#define _FSIGN ((unsigned short)0x8000)
 42#define FSIGN(x) (((unsigned short *)&(x))[_F0] & _FSIGN)
 43#define FHUGE_EXP (int)(_FMAX *900L / 1000)
 44#define FHUGE_RAD 31.8
 45#define FSAFE_EXP ((unsigned short)(_FMAX >> 1))
 46
 47#define _F0 1
 48#define _F1 0
 49
 50#define _LFRAC ((unsigned short)(-1))
 51#define _LMASK ((unsigned short)0x7fff)
 52#define _LMAX ((unsigned short)0x7fff)
 53#define _LSIGN ((unsigned short)0x8000)
 54#define LSIGN(x) (((unsigned short *)&(x))[_L0] & _LSIGN)
 55#define LHUGE_EXP (int)(_LMAX *900L / 1000)
 56#define LHUGE_RAD 2.73e9
 57#define LSAFE_EXP ((unsigned short)(_LMAX >> 1))
 58
 59#define _L0 3
 60#define _L1 2
 61#define _L2 1
 62#define _L3 0
 63#define _L4 xxx
 64
 65#define FINITE _FINITE
 66#define INF _INFCODE
 67#define NAN _NANCODE
 68
 69#define FL_ERR 0
 70#define FL_DEC 1
 71#define FL_HEX 2
 72#define FL_INF 3
 73#define FL_NAN 4
 74#define FL_NEG 8
 75
 76_C_LIB_DECL
 77
 78_CRTIMP int __cdecl _Stopfx(const char **,char **);
 79_CRTIMP int __cdecl _Stoflt(const char *,const char *,char **,long[],int);
 80_CRTIMP int __cdecl _Stoxflt(const char *,const char *,char **,long[],int);
 81_CRTIMP int __cdecl _WStopfx(const wchar_t **,wchar_t **);
 82_CRTIMP int __cdecl _WStoflt(const wchar_t *,const wchar_t *,wchar_t **,long[],int);
 83_CRTIMP int __cdecl _WStoxflt(const wchar_t *,const wchar_t *,wchar_t **,long[],int);
 84_CRTIMP short __cdecl _Dnorm(unsigned short *);
 85_CRTIMP short __cdecl _Dscale(double *,long);
 86_CRTIMP short __cdecl _Dunscale(short *,double *);
 87_CRTIMP double __cdecl _Poly(double,const double *,int);
 88
 89extern __declspec(dllimport) _Dconst _Eps,_Rteps;
 90extern __declspec(dllimport) double _Xbig;
 91
 92_CRTIMP short __cdecl _FDnorm(unsigned short *);
 93_CRTIMP short __cdecl _FDscale(float *,long);
 94_CRTIMP short __cdecl _FDunscale(short *,float *);
 95
 96extern __declspec(dllimport) _Dconst _FEps,_FRteps;
 97extern __declspec(dllimport) float _FXbig;
 98
 99_CRTIMP short __cdecl _LDnorm(unsigned short *);
100_CRTIMP short __cdecl _LDscale(long double *,long);
101_CRTIMP short __cdecl _LDunscale(short *,long double *);
102_CRTIMP long double __cdecl _LPoly(long double,const long double *,int);
103
104extern __declspec(dllimport) _Dconst _LEps,_LRteps;
105extern __declspec(dllimport) long double _LXbig;
106_END_C_LIB_DECL
107_C_STD_END
108#endif