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00001 
00006 #ifndef _XMATH
00007 #define _XMATH
00008 #include <errno.h>
00009 #include <math.h>
00010 #include <stddef.h>
00011 #include <ymath.h>
00012 
00013 _C_STD_BEGIN
00014 
00015 #define _DBIAS 0x3fe
00016 #define _DOFF 4
00017 #define _FBIAS 0x7e
00018 #define _FOFF 7
00019 #define _FRND 1
00020 
00021 #define _D0 3
00022 #define _D1 2
00023 #define _D2 1
00024 #define _D3 0
00025 #define _DLONG 0
00026 #define _LBIAS 0x3fe
00027 #define _LOFF 4
00028 
00029 #define _DFRAC ((unsigned short)((1 << _DOFF) - 1))
00030 #define _DMASK ((unsigned short)(0x7fff & ~_DFRAC))
00031 #define _DMAX ((unsigned short)((1 << (15 - _DOFF)) - 1))
00032 #define _DSIGN ((unsigned short)0x8000)
00033 #define DSIGN(x) (((unsigned short *)&(x))[_D0] & _DSIGN)
00034 #define HUGE_EXP (int)(_DMAX *900L / 1000)
00035 #define HUGE_RAD 2.73e9
00036 #define SAFE_EXP ((unsigned short)(_DMAX >> 1))
00037 
00038 #define _FFRAC ((unsigned short)((1 << _FOFF) - 1))
00039 #define _FMASK ((unsigned short)(0x7fff & ~_FFRAC))
00040 #define _FMAX ((unsigned short)((1 << (15 - _FOFF)) - 1))
00041 #define _FSIGN ((unsigned short)0x8000)
00042 #define FSIGN(x) (((unsigned short *)&(x))[_F0] & _FSIGN)
00043 #define FHUGE_EXP (int)(_FMAX *900L / 1000)
00044 #define FHUGE_RAD 31.8
00045 #define FSAFE_EXP ((unsigned short)(_FMAX >> 1))
00046 
00047 #define _F0 1
00048 #define _F1 0
00049 
00050 #define _LFRAC ((unsigned short)(-1))
00051 #define _LMASK ((unsigned short)0x7fff)
00052 #define _LMAX ((unsigned short)0x7fff)
00053 #define _LSIGN ((unsigned short)0x8000)
00054 #define LSIGN(x) (((unsigned short *)&(x))[_L0] & _LSIGN)
00055 #define LHUGE_EXP (int)(_LMAX *900L / 1000)
00056 #define LHUGE_RAD 2.73e9
00057 #define LSAFE_EXP ((unsigned short)(_LMAX >> 1))
00058 
00059 #define _L0 3
00060 #define _L1 2
00061 #define _L2 1
00062 #define _L3 0
00063 #define _L4 xxx
00064 
00065 #define FINITE _FINITE
00066 #define INF _INFCODE
00067 #define NAN _NANCODE
00068 
00069 #define FL_ERR 0
00070 #define FL_DEC 1
00071 #define FL_HEX 2
00072 #define FL_INF 3
00073 #define FL_NAN 4
00074 #define FL_NEG 8
00075 
00076 _C_LIB_DECL
00077 
00078 _CRTIMP int __cdecl _Stopfx(const char **,char **);
00079 _CRTIMP int __cdecl _Stoflt(const char *,const char *,char **,long[],int);
00080 _CRTIMP int __cdecl _Stoxflt(const char *,const char *,char **,long[],int);
00081 _CRTIMP int __cdecl _WStopfx(const wchar_t **,wchar_t **);
00082 _CRTIMP int __cdecl _WStoflt(const wchar_t *,const wchar_t *,wchar_t **,long[],int);
00083 _CRTIMP int __cdecl _WStoxflt(const wchar_t *,const wchar_t *,wchar_t **,long[],int);
00084 _CRTIMP short __cdecl _Dnorm(unsigned short *);
00085 _CRTIMP short __cdecl _Dscale(double *,long);
00086 _CRTIMP short __cdecl _Dunscale(short *,double *);
00087 _CRTIMP double __cdecl _Poly(double,const double *,int);
00088 
00089 extern _CRTIMP _Dconst _Eps,_Rteps;
00090 extern _CRTIMP double _Xbig;
00091 
00092 _CRTIMP short __cdecl _FDnorm(unsigned short *);
00093 _CRTIMP short __cdecl _FDscale(float *,long);
00094 _CRTIMP short __cdecl _FDunscale(short *,float *);
00095 
00096 extern _CRTIMP _Dconst _FEps,_FRteps;
00097 extern _CRTIMP float _FXbig;
00098 
00099 _CRTIMP short __cdecl _LDnorm(unsigned short *);
00100 _CRTIMP short __cdecl _LDscale(long double *,long);
00101 _CRTIMP short __cdecl _LDunscale(short *,long double *);
00102 _CRTIMP long double __cdecl _LPoly(long double,const long double *,int);
00103 
00104 extern _CRTIMP _Dconst _LEps,_LRteps;
00105 extern _CRTIMP long double _LXbig;
00106 _END_C_LIB_DECL
00107 _C_STD_END
00108 #endif
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