1 /* Test for the C++ implementation of iscanonical.
2    Copyright (C) 2017-2022 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 
23 static int errors;
24 
25 template <class T>
26 static void
check_type()27 check_type ()
28 {
29   T val = 0;
30 
31   /* Check if iscanonical is available in C++ mode (bug 22235).  */
32   if (iscanonical (val) == 0)
33     errors++;
34 }
35 
36 static int
do_test(void)37 do_test (void)
38 {
39   check_type<float> ();
40   check_type<double> ();
41   check_type<long double> ();
42 #if __HAVE_DISTINCT_FLOAT128
43   check_type<_Float128> ();
44 #endif
45   return errors != 0;
46 }
47 
48 #include <support/test-driver.c>
49