include/crt/xmath.h

   1 /**
   2  * This file has no copyright assigned and is placed in the Public Domain.
   3  * This file is part of the w64 mingw-runtime package.
   4  * No warranty is given; refer to the file DISCLAIMER 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
  89 extern _CRTIMP _Dconst _Eps,_Rteps;
  90 extern _CRTIMP 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
  96 extern _CRTIMP _Dconst _FEps,_FRteps;
  97 extern _CRTIMP 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
 104 extern _CRTIMP _Dconst _LEps,_LRteps;
 105 extern _CRTIMP long double _LXbig;
 106 _END_C_LIB_DECL
 107 _C_STD_END
 108 #endif