summaryrefslogtreecommitdiff
path: root/lib/libc/arch/vax/gen/fpclassify.c
blob: eaba629f981df96854e5d09df5f1635a8a626fed (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
/*	$OpenBSD: fpclassify.c,v 1.3 2008/12/10 01:15:02 martynas Exp $	*/
/*
 * Copyright (c) 2008 Martynas Venckus <martynas@openbsd.org>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <sys/cdefs.h>
#include <machine/vaxfp.h>
#include <math.h>

int
__fpclassify(double d)
{
	struct vax_d_floating *p = (struct vax_d_floating *)&d;

	if (p->dflt_exp == 0) {
		return FP_ZERO;
	}

	return FP_NORMAL;
}

int
__fpclassifyf(float f)
{
	struct vax_f_floating *p = (struct vax_f_floating *)&f;

	if (p->fflt_exp == 0) {
		return FP_ZERO;
	}

	return FP_NORMAL;
}

#ifdef __weak_alias
__weak_alias(__fpclassifyl, __fpclassify);
#endif /* __weak_alias */