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 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 109
