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      1 /*	$NetBSD: ieeefp.h,v 1.5 2021/10/06 05:33:15 skrll 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 /* adjust for FP_* and FE_* value differences */
     24 #define	__FPE(x) (x)
     25 #define	__FEE(x) (x)
     26 #define	__FPR(x) (x)
     27 #define	__FER(x) (x)
     28 
     29 /* Bit defines for fp_except */
     30 
     31 #define	FP_X_INV	FE_INVALID	/* invalid operation exception */
     32 #define	FP_X_DZ		FE_DIVBYZERO	/* divide-by-zero exception */
     33 #define	FP_X_OFL	FE_OVERFLOW	/* overflow exception */
     34 #define	FP_X_UFL	FE_UNDERFLOW	/* underflow exception */
     35 #define	FP_X_IMP	FE_INEXACT	/* imprecise (prec. loss; "inexact") */
     36 
     37 /* Rounding modes */
     38 
     39 typedef enum {
     40     FP_RN=FE_TONEAREST,		/* round to nearest representable number */
     41     FP_RP=FE_UPWARD,		/* round toward positive infinity */
     42     FP_RM=FE_DOWNWARD,		/* round toward negative infinity */
     43     FP_RZ=FE_TOWARDZERO		/* round to zero (truncate) */
     44 } fp_rnd;
     45 
     46 #endif /* !_ISOC99_SOURCE */
     47 
     48 #endif /* _NETBSD_SOURCE || _ISOC99_SOURCE */
     49 
     50 #endif /* _ARM_IEEEFP_H_ */
     51