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48b12ed5 | 1 | /* Test nan functions do not have const attribute. Bug 23277. |
2b778ceb | 2 | Copyright (C) 2018-2021 Free Software Foundation, Inc. |
48b12ed5 JM |
3 | This file is part of the GNU C Library. |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
16 | License along with the GNU C Library; if not, see | |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
48b12ed5 JM |
18 | |
19 | #include <math.h> | |
20 | #include <string.h> | |
21 | ||
22 | static int | |
23 | do_test (void) | |
24 | { | |
25 | char buf[2] = { '2', 0 }; | |
26 | float a = nanf (buf); | |
27 | buf[0] = '3'; | |
28 | float b = nanf (buf); | |
29 | return memcmp (&a, &b, sizeof (float)) == 0; | |
30 | } | |
31 | ||
32 | #include <support/test-driver.c> |