1/*	$NetBSD: ieeefp.h,v 1.5 2021/10/06 05:33:15 skrll Exp $	*/
 2
 3/*
 4 * Based on ieeefp.h written by J.T. Conklin, Apr 28, 1995
 5 * Public domain.
 6 */
 7
 8#ifndef _ARM_IEEEFP_H_
 9#define _ARM_IEEEFP_H_
10
11#include <sys/featuretest.h>
12
13#if defined(_NETBSD_SOURCE) || defined(_ISOC99_SOURCE)
14
15#include <arm/fenv.h>
16
17#if !defined(_ISOC99_SOURCE)
18
19/* Exception type (used by fpsetmask() et al.) */
20
21typedef int fp_except;
22
23/* adjust for FP_* and FE_* value differences */
24#define	__FPE(x) (x)
25#define	__FEE(x) (x)
26#define	__FPR(x) (x)
27#define	__FER(x) (x)
28
29/* Bit defines for fp_except */
30
31#define	FP_X_INV	FE_INVALID	/* invalid operation exception */
32#define	FP_X_DZ		FE_DIVBYZERO	/* divide-by-zero exception */
33#define	FP_X_OFL	FE_OVERFLOW	/* overflow exception */
34#define	FP_X_UFL	FE_UNDERFLOW	/* underflow exception */
35#define	FP_X_IMP	FE_INEXACT	/* imprecise (prec. loss; "inexact") */
36
37/* Rounding modes */
38
39typedef enum {
40    FP_RN=FE_TONEAREST,		/* round to nearest representable number */
41    FP_RP=FE_UPWARD,		/* round toward positive infinity */
42    FP_RM=FE_DOWNWARD,		/* round toward negative infinity */
43    FP_RZ=FE_TOWARDZERO		/* round to zero (truncate) */
44} fp_rnd;
45
46#endif /* !_ISOC99_SOURCE */
47
48#endif /* _NETBSD_SOURCE || _ISOC99_SOURCE */
49
50#endif /* _ARM_IEEEFP_H_ */