1 /* Test for bug 19439.
2    Copyright (C) 2016-2022 Free Software Foundation, Inc.
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
17    <https://www.gnu.org/licenses/>.  */
18 
19 #define _GNU_SOURCE 1
20 #include <math.h>
21 #include <stdio.h>
22 #include <stdlib.h>
23 
24 static int
do_test(void)25 do_test (void)
26 {
27   /* Verify that isinff, isinfl, isnanf, and isnanlf are defined
28      in the header under C++11 and can be called.  Without the
29      header fix this test will not compile.  */
30   if (isinff (1.0f)
31       || !isinff (INFINITY)
32       || isinfl (1.0L)
33       || !isinfl (INFINITY)
34       || isnanf (2.0f)
35       || !isnanf (NAN)
36       || isnanl (2.0L)
37       || !isnanl (NAN)
38       )
39     {
40       printf ("FAIL: Failed to call is* functions.\n");
41       exit (1);
42     }
43   printf ("PASS: Able to call isinff, isinfl, isnanf, and isnanl.\n");
44   exit (0);
45 }
46 
47 #define TEST_FUNCTION do_test ()
48 #include "../test-skeleton.c"
49