forked from Mirrors/wine-wine
276 lines
8.4 KiB
C
276 lines
8.4 KiB
C
/*
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* Math functions.
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*
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* Derived from the mingw header written by Colin Peters.
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* Modified for Wine use by Hans Leidekker.
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* This file is in the public domain.
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*/
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#ifndef __WINE_MATH_H
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#define __WINE_MATH_H
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#include <corecrt.h>
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#include <pshpack8.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define _DOMAIN 1 /* domain error in argument */
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#define _SING 2 /* singularity */
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#define _OVERFLOW 3 /* range overflow */
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#define _UNDERFLOW 4 /* range underflow */
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#define _TLOSS 5 /* total loss of precision */
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#define _PLOSS 6 /* partial loss of precision */
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#ifndef _EXCEPTION_DEFINED
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#define _EXCEPTION_DEFINED
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struct _exception
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{
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int type;
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char *name;
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double arg1;
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double arg2;
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double retval;
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};
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#endif /* _EXCEPTION_DEFINED */
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#ifndef _COMPLEX_DEFINED
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#define _COMPLEX_DEFINED
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struct _complex
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{
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double x; /* Real part */
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double y; /* Imaginary part */
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};
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#endif /* _COMPLEX_DEFINED */
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double __cdecl sin(double);
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double __cdecl cos(double);
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double __cdecl tan(double);
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double __cdecl sinh(double);
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double __cdecl cosh(double);
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double __cdecl tanh(double);
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double __cdecl asin(double);
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double __cdecl acos(double);
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double __cdecl atan(double);
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double __cdecl atan2(double, double);
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double __cdecl asinh(double);
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double __cdecl acosh(double);
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double __cdecl atanh(double);
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double __cdecl exp(double);
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double __cdecl log(double);
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double __cdecl log10(double);
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double __cdecl pow(double, double);
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double __cdecl sqrt(double);
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double __cdecl ceil(double);
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double __cdecl floor(double);
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double __cdecl fabs(double);
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double __cdecl ldexp(double, int);
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double __cdecl frexp(double, int*);
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double __cdecl modf(double, double*);
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double __cdecl fmod(double, double);
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double __cdecl fmin(double, double);
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double __cdecl fmax(double, double);
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double __cdecl erf(double);
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double __cdecl _hypot(double, double);
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double __cdecl _j0(double);
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double __cdecl _j1(double);
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double __cdecl _jn(int, double);
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double __cdecl _y0(double);
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double __cdecl _y1(double);
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double __cdecl _yn(int, double);
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double __cdecl cbrt(double);
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double __cdecl exp2(double);
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double __cdecl log2(double);
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double __cdecl rint(double);
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double __cdecl round(double);
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double __cdecl trunc(double);
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float __cdecl cbrtf(float);
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float __cdecl exp2f(float);
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float __cdecl log2f(float);
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float __cdecl rintf(float);
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float __cdecl roundf(float);
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float __cdecl truncf(float);
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long __cdecl lrint(double);
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long __cdecl lrintf(float);
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long __cdecl lround(double);
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long __cdecl lroundf(float);
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_ACRTIMP double __cdecl scalbn(double,int);
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_ACRTIMP float __cdecl scalbnf(float,int);
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double __cdecl _copysign (double, double);
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double __cdecl _chgsign (double);
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double __cdecl _scalb(double, __msvcrt_long);
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double __cdecl _logb(double);
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double __cdecl _nextafter(double, double);
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int __cdecl _finite(double);
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int __cdecl _isnan(double);
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int __cdecl _fpclass(double);
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#ifndef __i386__
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float __cdecl sinf(float);
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float __cdecl cosf(float);
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float __cdecl tanf(float);
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float __cdecl sinhf(float);
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float __cdecl coshf(float);
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float __cdecl tanhf(float);
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float __cdecl asinf(float);
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float __cdecl acosf(float);
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float __cdecl atanf(float);
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float __cdecl atan2f(float, float);
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float __cdecl asinhf(float);
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float __cdecl acoshf(float);
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float __cdecl atanhf(float);
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float __cdecl expf(float);
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float __cdecl logf(float);
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float __cdecl log10f(float);
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float __cdecl powf(float, float);
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float __cdecl sqrtf(float);
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float __cdecl ceilf(float);
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float __cdecl floorf(float);
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float __cdecl fabsf(float);
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float __cdecl frexpf(float, int*);
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float __cdecl modff(float, float*);
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float __cdecl fmodf(float, float);
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float __cdecl _copysignf(float, float);
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float __cdecl _chgsignf(float);
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float __cdecl _logbf(float);
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int __cdecl _finitef(float);
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int __cdecl _isnanf(float);
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int __cdecl _fpclassf(float);
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#else
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static inline float sinf(float x) { return sin(x); }
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static inline float cosf(float x) { return cos(x); }
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static inline float tanf(float x) { return tan(x); }
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static inline float sinhf(float x) { return sinh(x); }
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static inline float coshf(float x) { return cosh(x); }
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static inline float tanhf(float x) { return tanh(x); }
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static inline float asinf(float x) { return asin(x); }
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static inline float acosf(float x) { return acos(x); }
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static inline float atanf(float x) { return atan(x); }
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static inline float atan2f(float x, float y) { return atan2(x, y); }
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static inline float asinhf(float x) { return asinh(x); }
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static inline float acoshf(float x) { return acosh(x); }
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static inline float atanhf(float x) { return atanh(x); }
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static inline float expf(float x) { return exp(x); }
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static inline float logf(float x) { return log(x); }
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static inline float log10f(float x) { return log10(x); }
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static inline float powf(float x, float y) { return pow(x, y); }
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static inline float sqrtf(float x) { return sqrt(x); }
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static inline float ceilf(float x) { return ceil(x); }
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static inline float floorf(float x) { return floor(x); }
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static inline float fabsf(float x) { return fabs(x); }
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static inline float frexpf(float x, int *y) { return frexp(x, y); }
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static inline float modff(float x, float *y) { double yd, ret = modf(x, &yd); *y = yd; return ret; }
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static inline float fmodf(float x, float y) { return fmod(x, y); }
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static inline float _copysignf(float x, float y) { return _copysign(x, y); }
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static inline float _chgsignf(float x) { return _chgsign(x); }
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static inline float _logbf(float x) { return _logb(x); }
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static inline int _finitef(float x) { return _finite(x); }
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static inline int _isnanf(float x) { return _isnan(x); }
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static inline int _fpclassf(float x) { return _fpclass(x); }
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#endif
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static inline float ldexpf(float x, int y) { return ldexp(x, y); }
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#ifdef _UCRT
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_ACRTIMP double __cdecl copysign(double, double);
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_ACRTIMP float __cdecl copysignf(float, float);
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#else
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#define copysign(x,y) _copysign(x,y)
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#define copysignf(x,y) _copysignf(x,y)
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#endif
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double __cdecl nearbyint(double);
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float __cdecl nearbyintf(float);
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float __cdecl _hypotf(float, float);
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int __cdecl _matherr(struct _exception*);
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double __cdecl _cabs(struct _complex);
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#ifndef HUGE_VAL
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# if defined(__GNUC__) && (__GNUC__ >= 3)
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# define HUGE_VAL (__extension__ 0x1.0p2047)
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# else
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static const union {
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unsigned char __c[8];
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double __d;
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} __huge_val = { { 0, 0, 0, 0, 0, 0, 0xf0, 0x7f } };
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# define HUGE_VAL (__huge_val.__d)
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# endif
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#endif
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#if (defined(__GNUC__) && ((__GNUC__ > 3) || ((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)))) || defined(__clang__)
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# define INFINITY __builtin_inff()
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# define NAN __builtin_nanf("")
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#else
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static const union {
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unsigned int __i;
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float __f;
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} __inff = { 0x7f800000 }, __nanf = { 0x7fc00000 };
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# define INFINITY (__inff.__f)
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# define NAN (__nanf.__f)
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#endif
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#define FP_INFINITE 1
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#define FP_NAN 2
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#define FP_NORMAL -1
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#define FP_SUBNORMAL -2
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#define FP_ZERO 0
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short __cdecl _dclass(double);
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#define isfinite(x) (_finite(x))
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#define isinf(x) (!(_finite(x) || _isnan(x)))
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#define isnan(x) (_isnan(x))
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#define isnormal(x) (!!(_fpclass((double)(x)) & (_FPCLASS_NN|_FPCLASS_PN)))
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#ifdef __cplusplus
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}
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#endif
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#include <poppack.h>
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#if !defined(__STRICT_ANSI__) || defined(_POSIX_C_SOURCE) || defined(_POSIX_SOURCE) || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE) || defined(_USE_MATH_DEFINES)
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#ifndef _MATH_DEFINES_DEFINED
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#define _MATH_DEFINES_DEFINED
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#define M_E 2.71828182845904523536
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#define M_LOG2E 1.44269504088896340736
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#define M_LOG10E 0.434294481903251827651
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#define M_LN2 0.693147180559945309417
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#define M_LN10 2.30258509299404568402
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#define M_PI 3.14159265358979323846
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#define M_PI_2 1.57079632679489661923
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#define M_PI_4 0.785398163397448309616
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#define M_1_PI 0.318309886183790671538
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#define M_2_PI 0.636619772367581343076
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#define M_2_SQRTPI 1.12837916709551257390
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#define M_SQRT2 1.41421356237309504880
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#define M_SQRT1_2 0.707106781186547524401
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#endif /* !_MATH_DEFINES_DEFINED */
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#endif /* _USE_MATH_DEFINES */
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static inline double hypot( double x, double y ) { return _hypot( x, y ); }
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static inline double j0( double x ) { return _j0( x ); }
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static inline double j1( double x ) { return _j1( x ); }
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static inline double jn( int n, double x ) { return _jn( n, x ); }
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static inline double y0( double x ) { return _y0( x ); }
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static inline double y1( double x ) { return _y1( x ); }
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static inline double yn( int n, double x ) { return _yn( n, x ); }
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static inline float hypotf( float x, float y ) { return _hypotf( x, y ); }
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#endif /* __WINE_MATH_H */
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