sys/arch/arm/include/fenv.h

   1 /*      $NetBSD: fenv.h,v 1.1 2013/04/23 05:41:12 matt Exp $    */
   2
   3 /*
   4  * Based on ieeefp.h written by J.T. Conklin, Apr 28, 1995
   5  * Public domain.
   6  */
   7
   8 #ifndef _ARM_FENV_H_
   9 #define _ARM_FENV_H_
  10
  11 typedef int fenv_t;
  12 typedef int fexcept_t;
  13
  14 #define FE_INVALID      0x01    /* invalid operation exception */
  15 #define FE_DIVBYZERO    0x02    /* divide-by-zero exception */
  16 #define FE_OVERFLOW     0x04    /* overflow exception */
  17 #define FE_UNDERFLOW    0x08    /* underflow exception */
  18 #define FE_INEXACT      0x10    /* imprecise (loss of precision; "inexact") */
  19
  20 #define FE_ALL_EXCEPT   0x1f
  21
  22 #define FE_TONEAREST    0       /* round to nearest representable number */
  23 #define FE_UPWARD       1       /* round toward positive infinity */
  24 #define FE_DOWNWARD     2       /* round toward negative infinity */
  25 #define FE_TOWARDZERO   3       /* round to zero (truncate) */
  26
  27 __BEGIN_DECLS
  28
  29 /* Default floating-point environment */
  30 extern const fenv_t     __fe_dfl_env;
  31 #define FE_DFL_ENV      (&__fe_dfl_env)
  32
  33 __END_DECLS
  34
  35 #endif /* _ARM_FENV_H_ */