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_ */