1 |
|
|
/* $OpenBSD: s_copysignl.c,v 1.2 2016/09/12 19:47:02 guenther Exp $ */ |
2 |
|
|
/* |
3 |
|
|
* Copyright (c) 2008 Martynas Venckus <martynas@openbsd.org> |
4 |
|
|
* |
5 |
|
|
* Permission to use, copy, modify, and distribute this software for any |
6 |
|
|
* purpose with or without fee is hereby granted, provided that the above |
7 |
|
|
* copyright notice and this permission notice appear in all copies. |
8 |
|
|
* |
9 |
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
10 |
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
11 |
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
12 |
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
13 |
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
14 |
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
15 |
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
16 |
|
|
*/ |
17 |
|
|
|
18 |
|
|
#include <sys/types.h> |
19 |
|
|
#include <machine/ieee.h> |
20 |
|
|
#include <math.h> |
21 |
|
|
|
22 |
|
|
long double |
23 |
|
|
copysignl(long double x, long double y) |
24 |
|
|
{ |
25 |
|
|
struct ieee_ext *px = (struct ieee_ext *)&x; |
26 |
|
|
struct ieee_ext *py = (struct ieee_ext *)&y; |
27 |
|
|
|
28 |
|
|
px->ext_sign = py->ext_sign; |
29 |
|
|
|
30 |
|
|
return x; |
31 |
|
|
} |
32 |
|
|
DEF_STD(copysignl); |