1 /* $OpenBSD: ieeefp.h,v 1.2 1999/01/27 04:46:05 imp Exp $ */
2
3 /*-
4 * Written by J.T. Conklin, Apr 11, 1995
5 * Public domain.
6 *
7 * JNPR: ieeefp.h,v 1.1 2006/08/07 05:38:57 katta
8 * $FreeBSD$
9 */
10
11 #ifndef _MACHINE_IEEEFP_H_
12 #define _MACHINE_IEEEFP_H_
13
14 /* Deprecated historical FPU control interface */
15
16 typedef int fp_except;
17 typedef int fp_except_t;
18
19 #define FP_X_IMP 0x01 /* imprecise (loss of precision) */
20 #define FP_X_UFL 0x02 /* underflow exception */
21 #define FP_X_OFL 0x04 /* overflow exception */
22 #define FP_X_DZ 0x08 /* divide-by-zero exception */
23 #define FP_X_INV 0x10 /* invalid operation exception */
24
25 typedef enum {
26 FP_RN=0, /* round to nearest representable number */
27 FP_RZ=1, /* round to zero (truncate) */
28 FP_RP=2, /* round toward positive infinity */
29 FP_RM=3 /* round toward negative infinity */
30 } fp_rnd;
31
32 typedef fp_rnd fp_rnd_t;
33
34 #endif /* !_MACHINE_IEEEFP_H_ */
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