1 /* Test of log1b*() function family.
2 Copyright (C) 2012-2021 Free Software Foundation, Inc.
3
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 3 of the License, or
7 (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
13
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <https://www.gnu.org/licenses/>. */
16
17 static void
18 test_function (void)
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*/
19 {
20 /* [MX] shaded specification in POSIX. */
21
22 /* NaN. */
23 ASSERT (ISNAN (LOGB (NAN)));
24
25 /* Infinity. */
26 ASSERT (LOGB (INFINITY) == INFINITY);
27 ASSERT (LOGB (- INFINITY) == INFINITY);
28 }