1/* $OpenBSD: ieeefp.h,v 1.2 2011/03/23 16:54:34 pirofti Exp $ */
2/* $NetBSD: ieeefp.h,v 1.1 2001/01/10 19:02:06 bjh21 Exp $ */
3
4/*
5 * Based on ieeefp.h written by J.T. Conklin, Apr 28, 1995
6 * Public domain.
7 */
8
9#ifndef _ARM_IEEEFP_H_
10#define _ARM_IEEEFP_H_
11
12/* FP exception codes */
13
14#define FP_EXCEPT_INV 0
15#define FP_EXCEPT_DZ 1
16#define FP_EXCEPT_OFL 2
17#define FP_EXCEPT_UFL 3
18#define FP_EXCEPT_IMP 4
19
20/* Exception type (used by fpsetmask() et al.) */
21
22typedef int fp_except;
23
24/* Bit defines for fp_except */
25
26#define FP_X_INV (1 << FP_EXCEPT_INV) /* invalid operation exception */
27#define FP_X_DZ (1 << FP_EXCEPT_DZ) /* divide-by-zero exception */
28#define FP_X_OFL (1 << FP_EXCEPT_OFL) /* overflow exception */
29#define FP_X_UFL (1 << FP_EXCEPT_UFL) /* underflow exception */
30#define FP_X_IMP (1 << FP_EXCEPT_IMP) /* imprecise (loss of precision; "inexact") */
31
32/* Rounding modes */
33
34typedef enum {
35 FP_RN=0, /* round to nearest representable number */
36 FP_RP=1, /* round toward positive infinity */
37 FP_RM=2, /* round toward negative infinity */
38 FP_RZ=3 /* round to zero (truncate) */
39} fp_rnd;
40
41#endif /* _ARM_IEEEFP_H_ */