ipiq: Add simple IPI latency measure sysctls (2)
[dragonfly.git] / lib / libm / src / s_isfinite.c
CommitLineData
b34b60bc 1/*-
6ff43c94 2 * Copyright (c) 2004 David Schultz <das@FreeBSD.ORG>
1a3b704c 3 * All rights reserved.
b34b60bc
JS
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
1a3b704c 25 *
6ff43c94 26 * $FreeBSD: head/lib/msun/src/s_isfinite.c 131852 2004-07-09 03:32:40Z das $
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27 */
28
29#include <math.h>
b34b60bc 30
6ff43c94
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31#include "fpmath.h"
32
33int
34__isfinite(double d)
35{
36 union IEEEd2bits u;
37
38 u.d = d;
39 return (u.bits.exp != 2047);
40}
41
42int
43__isfinitef(float f)
44{
45 union IEEEf2bits u;
46
47 u.f = f;
48 return (u.bits.exp != 255);
49}
50
51int
52__isfinitel(long double e)
b34b60bc 53{
6ff43c94 54 union IEEEl2bits u;
b34b60bc 55
6ff43c94
PA
56 u.e = e;
57 return (u.bits.exp != 32767);
b34b60bc 58}