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d35c8bb5 | 1 | // { dg-add-options ieee } |
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2 | |
3 | // 1999-08-23 bkoz | |
4 | ||
a945c346 | 5 | // Copyright (C) 1999-2024 Free Software Foundation, Inc. |
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6 | // |
7 | // This file is part of the GNU ISO C++ Library. This library is free | |
8 | // software; you can redistribute it and/or modify it under the | |
9 | // terms of the GNU General Public License as published by the | |
748086b7 | 10 | // Free Software Foundation; either version 3, or (at your option) |
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11 | // any later version. |
12 | ||
13 | // This library is distributed in the hope that it will be useful, | |
14 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | // GNU General Public License for more details. | |
17 | ||
18 | // You should have received a copy of the GNU General Public License along | |
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19 | // with this library; see the file COPYING3. If not see |
20 | // <http://www.gnu.org/licenses/>. | |
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21 | |
22 | // 18.2.1.1 template class numeric_limits | |
23 | ||
24 | #include <limits> | |
25 | #include <limits.h> | |
26 | #include <float.h> | |
27 | #include <cwchar> | |
28 | #include <testsuite_hooks.h> | |
29 | ||
30 | template<typename T> | |
31 | void | |
32 | test_infinity() | |
33 | { | |
34 | bool test; | |
35 | ||
36 | if (std::numeric_limits<T>::has_infinity) | |
37 | { | |
38 | T inf = std::numeric_limits<T>::infinity(); | |
39 | test = (inf + inf == inf); | |
40 | } | |
41 | else | |
42 | test = true; | |
43 | ||
44 | VERIFY (test); | |
45 | } | |
46 | ||
47 | int main() | |
48 | { | |
49 | test_infinity<float>(); | |
50 | test_infinity<double>(); | |
51 | test_infinity<long double>(); | |
52 | ||
53 | return 0; | |
54 | } |