/* xmath.h internal header for Microsoft C */ #ifndef _XMATH #define _XMATH #include #include #include #ifndef _YMATH #include #endif _STD_BEGIN /* FLOAT PROPERTIES */ #define _DBIAS 0x3fe #define _DOFF 4 #define _FBIAS 0x7e #define _FOFF 7 #define _FRND 1 #define _D0 3 /* little-endian, small long doubles */ #define _D1 2 #define _D2 1 #define _D3 0 #define _DLONG 0 #define _LBIAS 0x3fe #define _LOFF 4 /* IEEE 754 double properties */ #define _DFRAC ((unsigned short)((1 << _DOFF) - 1)) #define _DMASK ((unsigned short)(0x7fff & ~_DFRAC)) #define _DMAX ((unsigned short)((1 << (15 - _DOFF)) - 1)) #define _DSIGN ((unsigned short)0x8000) #define DSIGN(x) (((unsigned short *)&(x))[_D0] & _DSIGN) #define HUGE_EXP (int)(_DMAX * 900L / 1000) #define HUGE_RAD 2.73e9 /* ~ 2^33 / pi */ #define SAFE_EXP ((unsigned short)(_DMAX >> 1)) /* IEEE 754 float properties */ #define _FFRAC ((unsigned short)((1 << _FOFF) - 1)) #define _FMASK ((unsigned short)(0x7fff & ~_FFRAC)) #define _FMAX ((unsigned short)((1 << (15 - _FOFF)) - 1)) #define _FSIGN ((unsigned short)0x8000) #define FSIGN(x) (((unsigned short *)&(x))[_F0] & _FSIGN) #define FHUGE_EXP (int)(_FMAX * 900L / 1000) #define FHUGE_RAD 31.8 /* ~ 2^10 / pi */ #define FSAFE_EXP ((unsigned short)(_FMAX >> 1)) #define _F0 1 /* little-endian order */ #define _F1 0 /* IEEE 754 long double properties */ #define _LFRAC ((unsigned short)(-1)) #define _LMASK ((unsigned short)0x7fff) #define _LMAX ((unsigned short)0x7fff) #define _LSIGN ((unsigned short)0x8000) #define LSIGN(x) (((unsigned short *)&(x))[_L0] & _LSIGN) #define LHUGE_EXP (int)(_LMAX * 900L / 1000) #define LHUGE_RAD 2.73e9 /* ~ 2^33 / pi */ #define LSAFE_EXP ((unsigned short)(_LMAX >> 1)) #define _L0 3 /* little-endian, small long doubles */ #define _L1 2 #define _L2 1 #define _L3 0 #define _L4 xxx /* return values for testing functions */ #define FINITE _FINITE #define INF _INFCODE #define NAN _NANCODE /* return values for _Stopfx/_Stoflt */ #define FL_ERR 0 #define FL_DEC 1 #define FL_HEX 2 #define FL_INF 3 #define FL_NAN 4 #define FL_NEG 8 _C_LIB_DECL /* double declarations */ _CRTIMP2 double __cdecl _Atan(double, int); _CRTIMP2 short __cdecl _Dint(double *, short); _CRTIMP2 short __cdecl _Dnorm(unsigned short *); _CRTIMP2 short __cdecl _Dscale(double *, long); _CRTIMP2 double __cdecl _Dtento(double, long); _CRTIMP2 short __cdecl _Dunscale(short *, double *); _CRTIMP2 double __cdecl _Poly(double, const double *, int); _CRTIMP2 int __cdecl _Stoflt(const char *, char **, long[], int); extern _CRTIMP2 const _Dconst _Eps, _Rteps; extern _CRTIMP2 const double _Xbig; /* float declarations */ _CRTIMP2 float __cdecl _FAtan(float, int); _CRTIMP2 short __cdecl _FDint(float *, short); _CRTIMP2 short __cdecl _FDnorm(unsigned short *); _CRTIMP2 short __cdecl _FDscale(float *, long); _CRTIMP2 float __cdecl _FDtento(float, long); _CRTIMP2 short __cdecl _FDunscale(short *, float *); _CRTIMP2 float __cdecl _FPoly(float, const float *, int); extern _CRTIMP2 const _Dconst _FEps, _FRteps; extern _CRTIMP2 const float _FXbig; /* long double functions */ _CRTIMP2 long double __cdecl _LAtan(long double, int); _CRTIMP2 short __cdecl _LDint(long double *, short); _CRTIMP2 short __cdecl _LDnorm(unsigned short *); _CRTIMP2 short __cdecl _LDscale(long double *, long); _CRTIMP2 long double __cdecl _LDtento(long double, long); _CRTIMP2 short __cdecl _LDunscale(short *, long double *); _CRTIMP2 long double __cdecl _LPoly(long double, const long double *, int); extern _CRTIMP2 const _Dconst _LEps, _LRteps; extern _CRTIMP2 const long double _LXbig; _END_C_LIB_DECL _STD_END #endif /* _XMATH */ /* * Copyright (c) 1992-2001 by P.J. Plauger. ALL RIGHTS RESERVED. * Consult your license regarding permissions and restrictions. V3.10:0009 */