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ieeefp.h revision 1.8.16.1
      1 /*	$NetBSD: ieeefp.h,v 1.8.16.1 2015/04/06 15:18:02 skrll Exp $	*/
      2 
      3 /*
      4  * Written by J.T. Conklin, Apr 6, 1995
      5  * Public domain.
      6  */
      7 
      8 #ifndef _SPARC_IEEEFP_H_
      9 #define _SPARC_IEEEFP_H_
     10 
     11 #include <sys/featuretest.h>
     12 
     13 #if defined(_NETBSD_SOURCE) || defined(_ISOC99_SOURCE)
     14 
     15 #define	FE_TONEAREST	0	/* round to nearest representable number */
     16 #define	FE_TOWARDZERO	1	/* round to zero (truncate) */
     17 #define	FE_UPWARD	2	/* round toward positive infinity */
     18 #define	FE_DOWNWARD	3	/* round toward negative infinity */
     19 
     20 #if !defined(_ISOC99_SOURCE)
     21 
     22 typedef unsigned int fp_except;
     23 #define FP_X_IMP	0x01		/* imprecise (loss of precision) */
     24 #define FP_X_DZ		0x02		/* divide-by-zero exception */
     25 #define FP_X_UFL	0x04		/* underflow exception */
     26 #define FP_X_OFL	0x08		/* overflow exception */
     27 #define FP_X_INV	0x10		/* invalid operation exception */
     28 
     29 typedef enum {
     30     FP_RN=0,			/* round to nearest representable number */
     31     FP_RZ=1,			/* round to zero (truncate) */
     32     FP_RP=2,			/* round toward positive infinity */
     33     FP_RM=3			/* round toward negative infinity */
     34 } fp_rnd;
     35 
     36 #endif /* !_ISOC99_SOURCE */
     37 
     38 #endif /* _NETBSD_SOURCE || _ISOC99_SOURCE */
     39 
     40 #endif /* _SPARC_IEEEFP_H_ */
     41