1 /* 2 * Written by J.T. Conklin, Apr 6, 1995 3 * Public domain. 4 * $NetBSD: ieeefp.h,v 1.2 1999/07/07 01:52:26 danw Exp $ 5 * $FreeBSD$ 6 */ 7 8 #ifndef _MACHINE_IEEEFP_H_ 9 #define _MACHINE_IEEEFP_H_ 10 11 typedef int fp_except_t; 12 #define FP_X_IMP 0x01 /* imprecise (loss of precision) */ 13 #define FP_X_DZ 0x02 /* divide-by-zero exception */ 14 #define FP_X_UFL 0x04 /* underflow exception */ 15 #define FP_X_OFL 0x08 /* overflow exception */ 16 #define FP_X_INV 0x10 /* invalid operation exception */ 17 18 typedef enum { 19 FP_RN=0, /* round to nearest representable number */ 20 FP_RZ=1, /* round to zero (truncate) */ 21 FP_RP=2, /* round toward positive infinity */ 22 FP_RM=3 /* round toward negative infinity */ 23 } fp_rnd_t; 24 25 #endif /* _MACHINE_IEEEFP_H_ */ 26