1 /* $OpenBSD: ieeefp.h,v 1.3 2011/03/23 16:54:35 pirofti Exp $ */ 2 3 /* 4 * Written by Miodrag Vallat. Public domain. 5 */ 6 7 #ifndef _MACHINE_IEEEFP_H_ 8 #define _MACHINE_IEEEFP_H_ 9 10 typedef int fp_except; 11 #define FP_X_INV 0x10 /* invalid operation exception */ 12 #define FP_X_DZ 0x08 /* divide-by-zero exception */ 13 #define FP_X_OFL 0x04 /* overflow exception */ 14 #define FP_X_UFL 0x02 /* underflow exception */ 15 #define FP_X_IMP 0x01 /* imprecise (loss of precision) */ 16 17 typedef enum { 18 FP_RN=0, /* round to nearest representable number */ 19 FP_RZ=1, /* round to zero (truncate) */ 20 FP_RP=2, /* round toward positive infinity */ 21 FP_RM=3 /* round toward negative infinity */ 22 } fp_rnd; 23 24 #endif /* _MACHINE_IEEEFP_H_ */ 25