1 /* $NetBSD: ieeefp.h,v 1.9 2015/01/03 18:12:12 martin 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