include/msvcrt/math.h

   1 /*
   2  * Math functions.
   3  *
   4  * Derived from the mingw header written by Colin Peters.
   5  * Modified for Wine use by Hans Leidekker.
   6  * This file is in the public domain.
   7  */
   8
   9 #ifndef __WINE_MATH_H
  10 #define __WINE_MATH_H
  11 #ifndef __WINE_USE_MSVCRT
  12 #define __WINE_USE_MSVCRT
  13 #endif
  14
  15 #ifdef __cplusplus
  16 extern "C" {
  17 #endif
  18
  19 #define _DOMAIN         1       /* domain error in argument */
  20 #define _SING           2       /* singularity */
  21 #define _OVERFLOW       3       /* range overflow */
  22 #define _UNDERFLOW      4       /* range underflow */
  23 #define _TLOSS          5       /* total loss of precision */
  24 #define _PLOSS          6       /* partial loss of precision */
  25
  26 #ifndef _EXCEPTION_DEFINED
  27 #define _EXCEPTION_DEFINED
  28 struct _exception
  29 {
  30   int     type;
  31   char    *name;
  32   double  arg1;
  33   double  arg2;
  34   double  retval;
  35 };
  36 #endif /* _EXCEPTION_DEFINED */
  37
  38 #ifndef _COMPLEX_DEFINED
  39 #define _COMPLEX_DEFINED
  40 struct _complex
  41 {
  42   double x;      /* Real part */
  43   double y;      /* Imaginary part */
  44 };
  45 #endif /* _COMPLEX_DEFINED */
  46
  47 double sin(double);
  48 double cos(double);
  49 double tan(double);
  50 double sinh(double);
  51 double cosh(double);
  52 double tanh(double);
  53 double asin(double);
  54 double acos(double);
  55 double atan(double);
  56 double atan2(double, double);
  57 double exp(double);
  58 double log(double);
  59 double log10(double);
  60 double pow(double, double);
  61 double sqrt(double);
  62 double ceil(double);
  63 double floor(double);
  64 double fabs(double);
  65 double ldexp(double, int);
  66 double frexp(double, int*);
  67 double modf(double, double*);
  68 double fmod(double, double);
  69
  70 double hypot(double, double);
  71 double j0(double);
  72 double j1(double);
  73 double jn(int, double);
  74 double y0(double);
  75 double y1(double);
  76 double yn(int, double);
  77
  78 int _matherr(struct _exception*);
  79 double _cabs(struct _complex);
  80
  81 #ifndef HUGE_VAL
  82 #  if defined(__GNUC__) && (__GNUC__ >= 3)
  83 #    define HUGE_VAL    (__extension__ 0x1.0p2047)
  84 #  else
  85 static const union {
  86     unsigned char __c[8];
  87     double __d;
  88 } __huge_val = { { 0, 0, 0, 0, 0, 0, 0xf0, 0x7f } };
  89 #    define HUGE_VAL    (__huge_val.__d)
  90 #  endif
  91 #endif
  92
  93 #ifdef __cplusplus
  94 }
  95 #endif
  96
  97 #endif /* __WINE_MATH_H */