1 /* Test of isnand() substitute.
2 Copyright (C) 2007-2024 Free Software Foundation, Inc.
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.
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.
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/>. */
17 /* Written by Bruno Haible <bruno@clisp.org>, 2007. */
21 #include "minus-zero.h"
31 ASSERT (!isnand (3.141));
32 ASSERT (!isnand (3.141e30
));
33 ASSERT (!isnand (3.141e-30));
34 ASSERT (!isnand (-2.718));
35 ASSERT (!isnand (-2.718e30
));
36 ASSERT (!isnand (-2.718e-30));
37 ASSERT (!isnand (0.0));
38 ASSERT (!isnand (minus_zerod
));
39 /* Infinite values. */
40 ASSERT (!isnand (Infinityd ()));
41 ASSERT (!isnand (- Infinityd ()));
43 ASSERT (isnand (NaNd ()));
46 ASSERT (isnand (SNaNd ()));
48 return test_exit_status
;