1/*	$NetBSD: ieeefp.h,v 1.1 2001/01/10 19:02:06 bjh21 Exp $	*/
2
3/*
4 * Based on ieeefp.h written by J.T. Conklin, Apr 28, 1995
5 * Public domain.
6 */
7
8#ifndef _ARM32_IEEEFP_H_
9#define _ARM32_IEEEFP_H_
10
11#include <sys/featuretest.h>
12
13#if defined(_NETBSD_SOURCE) || defined(_ISOC99_SOURCE)
14
15typedef int fenv_t;
16typedef int fexcept_t;
17
18#define	FE_INVALID	0x01	/* invalid operation exception */
19#define	FE_DIVBYZERO	0x02	/* divide-by-zero exception */
20#define	FE_OVERFLOW	0x04	/* overflow exception */
21#define	FE_UNDERFLOW	0x08	/* underflow exception */
22#define	FE_INEXACT	0x10	/* imprecise (loss of precision; "inexact") */
23
24#define	FE_ALL_EXCEPT	0x1f
25
26#define	FE_TONEAREST	0	/* round to nearest representable number */
27#define	FE_UPWARD	1	/* round toward positive infinity */
28#define	FE_DOWNWARD	2	/* round toward negative infinity */
29#define	FE_TOWARDZERO	3	/* round to zero (truncate) */
30
31#if !defined(_ISOC99_SOURCE)
32
33/* Exception type (used by fpsetmask() et al.) */
34
35typedef int fp_except;
36
37/* Bit defines for fp_except */
38
39#define	FP_X_INV	FE_INVALID	/* invalid operation exception */
40#define	FP_X_DZ		FE_DIVBYZERO	/* divide-by-zero exception */
41#define	FP_X_OFL	FE_OVERFLOW	/* overflow exception */
42#define	FP_X_UFL	FE_UNDERFLOW	/* underflow exception */
43#define	FP_X_IMP	FE_INEXACT	/* imprecise (prec. loss; "inexact") */
44
45/* Rounding modes */
46
47typedef enum {
48    FP_RN=FE_TONEAREST,		/* round to nearest representable number */
49    FP_RP=FE_UPWARD,		/* round toward positive infinity */
50    FP_RM=FE_DOWNWARD,		/* round toward negative infinity */
51    FP_RZ=FE_TOWARDZERO		/* round to zero (truncate) */
52} fp_rnd;
53
54#endif /* !_ISOC99_SOURCE */
55
56#endif /* _NETBSD_SOURCE || _ISOC99_SOURCE */
57
58#endif /* _ARM32_IEEEFP_H_ */
59