include/msvcrt/fenv.h

   1 /**
   2  * This file has no copyright assigned and is placed in the Public Domain.
   3  * This file is part of the Wine project.
   4  */
   5
   6 #ifndef _INC_FENV
   7 #define _INC_FENV
   8
   9 #include <float.h>
  10
  11 #define FE_TONEAREST   _RC_NEAR
  12 #define FE_UPWARD      _RC_UP
  13 #define FE_DOWNWARD    _RC_DOWN
  14 #define FE_TOWARDZERO  _RC_CHOP
  15
  16 #define FE_INEXACT     _SW_INEXACT
  17 #define FE_UNDERFLOW   _SW_UNDERFLOW
  18 #define FE_OVERFLOW    _SW_OVERFLOW
  19 #define FE_DIVBYZERO   _SW_ZERODIVIDE
  20 #define FE_INVALID     _SW_INVALID
  21 #define FE_ALL_EXCEPT  (FE_DIVBYZERO | FE_INEXACT | FE_INVALID | FE_OVERFLOW | FE_UNDERFLOW)
  22
  23 #ifdef __cplusplus
  24 extern "C" {
  25 #endif
  26
  27 typedef struct
  28 {
  29     __msvcrt_ulong _Fe_ctl;
  30     __msvcrt_ulong _Fe_stat;
  31 } fenv_t;
  32
  33 typedef __msvcrt_ulong fexcept_t;
  34
  35 _ACRTIMP int __cdecl fegetenv(fenv_t*);
  36 _ACRTIMP int __cdecl fesetenv(const fenv_t*);
  37 _ACRTIMP int __cdecl fegetexceptflag(fexcept_t*, int);
  38 _ACRTIMP int __cdecl fegetround(void);
  39 _ACRTIMP int __cdecl feholdexcept(fenv_t*);
  40 _ACRTIMP int __cdecl fesetround(int);
  41 _ACRTIMP int __cdecl fesetexceptflag(const fexcept_t*, int);
  42 _ACRTIMP int __cdecl feclearexcept(int);
  43 _ACRTIMP int __cdecl fetestexcept(int);
  44
  45 #ifdef __cplusplus
  46 }
  47 #endif
  48
  49 #endif /* _INC_FENV */