sys/arch/arm/include/ieeefp.h

   1 /*      $NetBSD: ieeefp.h,v 1.3 2013/04/23 05:42:23 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_IEEEFP_H_
   9 #define _ARM_IEEEFP_H_
  10
  11 #include <sys/featuretest.h>
  12
  13 #if defined(_NETBSD_SOURCE) || defined(_ISOC99_SOURCE)
  14
  15 #include <arm/fenv.h>
  16
  17 #if !defined(_ISOC99_SOURCE)
  18
  19 /* Exception type (used by fpsetmask() et al.) */
  20
  21 typedef int fp_except;
  22
  23 /* Bit defines for fp_except */
  24
  25 #define FP_X_INV        FE_INVALID      /* invalid operation exception */
  26 #define FP_X_DZ         FE_DIVBYZERO    /* divide-by-zero exception */
  27 #define FP_X_OFL        FE_OVERFLOW     /* overflow exception */
  28 #define FP_X_UFL        FE_UNDERFLOW    /* underflow exception */
  29 #define FP_X_IMP        FE_INEXACT      /* imprecise (prec. loss; "inexact") */
  30
  31 /* Rounding modes */
  32
  33 typedef enum {
  34     FP_RN=FE_TONEAREST,         /* round to nearest representable number */
  35     FP_RP=FE_UPWARD,            /* round toward positive infinity */
  36     FP_RM=FE_DOWNWARD,          /* round toward negative infinity */
  37     FP_RZ=FE_TOWARDZERO         /* round to zero (truncate) */
  38 } fp_rnd;
  39
  40 #endif /* !_ISOC99_SOURCE */
  41
  42 #endif /* _NETBSD_SOURCE || _ISOC99_SOURCE */
  43
  44 #endif /* _ARM_IEEEFP_H_ */