1 // 1999-06-05
2 // Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
3
4 // Copyright (C) 1999-2020 Free Software Foundation, Inc.
5 //
6 // This file is part of the GNU ISO C++ Library. This library is free
7 // software; you can redistribute it and/or modify it under the
8 // terms of the GNU General Public License as published by the
9 // Free Software Foundation; either version 3, or (at your option)
10 // any later version.
11
12 // This library is distributed in the hope that it will be useful,
13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 // GNU General Public License for more details.
16
17 // You should have received a copy of the GNU General Public License along
18 // with this library; see the file COPYING3. If not see
19 // <http://www.gnu.org/licenses/>.
20
21 #include <cmath>
22 #include <testsuite_hooks.h>
23
24 // test compilation.
25 int
test01()26 test01()
27 {
28 float a = 1.f;
29 float b;
30 std::modf(a, &b);
31 return 0;
32 }
33
34 // need more extravagant checks than this, of course, but this used to core...
35 int
test02()36 test02()
37 {
38 std::sin(static_cast<float>(0));
39 return 0;
40 }
41
42 // as did this.
43 int
test03()44 test03()
45 {
46 double powtest __attribute__((unused)) = std::pow(2., 0);
47 return 0;
48 }
49
50 // this used to abort.
51 int
test04()52 test04()
53 {
54 float x[2] = {1, 2};
55 float y = 3.4;
56 std::modf(y, &x[0]);
57 VERIFY(x[1] == 2);
58 return 0;
59 }
60
61 int
main()62 main()
63 {
64 test01();
65 test02();
66 test03();
67 test04();
68 return 0;
69 }
70