1 /* $OpenBSD: ieeefp.h,v 1.2 2000/08/05 22:07:31 niklas Exp $ */
2
3 /*
4 * Written by J.T. Conklin, Apr 6, 1995
5 * Public domain.
6 */
7
8 #ifndef _I386_IEEEFP_H_
9 #define _I386_IEEEFP_H_
10
11 typedef int fp_except;
12 #define FP_X_INV 0x01 /* invalid operation exception */
13 #define FP_X_DNML 0x02 /* denormalization exception */
14 #define FP_X_DZ 0x04 /* divide-by-zero exception */
15 #define FP_X_OFL 0x08 /* overflow exception */
16 #define FP_X_UFL 0x10 /* underflow exception */
17 #define FP_X_IMP 0x20 /* imprecise (loss of precision) */
18
19 typedef enum {
20 FP_RN=0, /* round to nearest representable number */
21 FP_RM=1, /* round toward negative infinity */
22 FP_RP=2, /* round toward positive infinity */
23 FP_RZ=3 /* round to zero (truncate) */
24 } fp_rnd;
25
26 #endif /* _I386_IEEEFP_H_ */