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ieeefp.h revision 1.6
      1 /* $NetBSD: ieeefp.h,v 1.6 2016/08/25 12:29:14 christos Exp $ */
      2 
      3 /*
      4  * Written by J.T. Conklin, Apr 6, 1995
      5  * Public domain.
      6  */
      7 
      8 #ifndef _SH3_IEEEFP_H_
      9 #define	_SH3_IEEEFP_H_
     10 
     11 #include <sys/featuretest.h>
     12 
     13 #if defined(_NETBSD_SOURCE) || defined(_ISOC99_SOURCE)
     14 
     15 #include <fenv.h>
     16 
     17 #if defined(_NETBSD_SOURCE)
     18 
     19 typedef int fp_except;
     20 
     21 #define	FP_X_INV	FE_INVALID	/* invalid operation exception */
     22 #define	FP_X_DZ		FE_DIVBYZERO	/* divide-by-zero exception */
     23 #define	FP_X_OFL	FE_OVERFLOW	/* overflow exception */
     24 #define	FP_X_UFL	FE_UNDERFLOW	/* underflow exception */
     25 #define	FP_X_IMP	FE_INEXACT	/* imprecise (loss of precision) */
     26 
     27 typedef enum {
     28 	FP_RN=FE_TONEAREST,	/* round to nearest representable number */
     29 	FP_RM=FE_DOWNWARD,      /* round toward negative infinity */
     30 	FP_RP=FE_UPWARD,        /* round toward positive infinity */
     31 	FP_RZ=FE_TOWARDZERO	/* round to zero (truncate) */
     32 } fp_rnd;
     33 
     34 #endif /* !_ISOC99_SOURCE */
     35 
     36 #endif /* _NETBSD_SOURCE || _ISOC99_SOURCE */
     37 
     38 #endif /* !_SH3_IEEEFP_H_ */
     39