1/*	$NetBSD: ieeefp.h,v 1.5 2008/08/05 16:47:42 matt Exp $	*/
2
3/*
4 * Written by J.T. Conklin, Apr 11, 1995
5 * Public domain.
6 */
7
8#ifndef _MIPS_IEEEFP_H_
9#define _MIPS_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_INEXACT	0x01	/* imprecise (loss of precision) */
19#define	FE_UNDERFLOW	0x02	/* underflow exception */
20#define	FE_OVERFLOW	0x04	/* overflow exception */
21#define	FE_DIVBYZERO	0x08	/* divide-by-zero exception */
22#define	FE_INVALID	0x10	/* invalid operation exception */
23
24#define	FE_ALL_EXCEPT	0x1f
25
26#define	FE_TONEAREST	0	/* round to nearest representable number */
27#define	FE_TOWARDZERO	1	/* round to zero (truncate) */
28#define	FE_UPWARD	2	/* round toward positive infinity */
29#define	FE_DOWNWARD	3	/* round toward negative infinity */
30
31#if !defined(_ISOC99_SOURCE)
32
33typedef int fp_except;
34#define FP_X_IMP	FE_INEXACT	/* imprecise (loss of precision) */
35#define FP_X_UFL	FE_UNDERFLOW	/* underflow exception */
36#define FP_X_OFL	FE_OVERFLOW	/* overflow exception */
37#define FP_X_DZ		FE_DIVBYZERO	/* divide-by-zero exception */
38#define FP_X_INV	FE_INVALID	/* invalid operation exception */
39
40typedef enum {
41    FP_RN=FE_TONEAREST,		/* round to nearest representable number */
42    FP_RZ=FE_TOWARDZERO,	/* round to zero (truncate) */
43    FP_RP=FE_UPWARD,		/* round toward positive infinity */
44    FP_RM=FE_DOWNWARD		/* round toward negative infinity */
45} fp_rnd;
46
47#endif /* !_ISOC99_SOURCE */
48
49#endif /* _NETBSD_SOURCE || _ISOC99_SOURCE */
50
51#endif /* _MIPS_IEEEFP_H_ */
52