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