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44ac4b9b | 1 | // { dg-options "-std=gnu++11" } |
b99d1526 | 2 | // { dg-add-options ieee } |
3 | ||
4 | // 2010-02-25 Ed Smith-Rowland | |
5 | ||
f1717362 | 6 | // Copyright (C) 2010-2016 Free Software Foundation, Inc. |
b99d1526 | 7 | // |
8 | // This file is part of the GNU ISO C++ Library. This library is free | |
9 | // software; you can redistribute it and/or modify it under the | |
10 | // terms of the GNU General Public License as published by the | |
11 | // Free Software Foundation; either version 3, or (at your option) | |
12 | // any later version. | |
13 | ||
14 | // This library is distributed in the hope that it will be useful, | |
15 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | // GNU General Public License for more details. | |
18 | ||
19 | // You should have received a copy of the GNU General Public License along | |
20 | // with this library; see the file COPYING3. If not see | |
21 | // <http://www.gnu.org/licenses/>. | |
22 | ||
23 | // 18.2.1.1 template class numeric_limits | |
24 | ||
25 | #include <limits> | |
26 | #include <cmath> | |
27 | #include <testsuite_hooks.h> | |
28 | ||
29 | void | |
30 | test01() | |
31 | { | |
32 | bool test __attribute__((unused)) = true; | |
33 | ||
34 | VERIFY( std::numeric_limits<bool>::max_digits10 == 0 ); | |
35 | VERIFY( std::numeric_limits<char>::max_digits10 == 0 ); | |
36 | VERIFY( std::numeric_limits<signed char>::max_digits10 == 0 ); | |
37 | VERIFY( std::numeric_limits<unsigned char>::max_digits10 == 0 ); | |
38 | VERIFY( std::numeric_limits<wchar_t>::max_digits10 == 0 ); | |
39 | VERIFY( std::numeric_limits<short>::max_digits10 == 0 ); | |
40 | VERIFY( std::numeric_limits<unsigned short>::max_digits10 == 0 ); | |
41 | VERIFY( std::numeric_limits<int>::max_digits10 == 0 ); | |
42 | VERIFY( std::numeric_limits<unsigned int>::max_digits10 == 0 ); | |
43 | VERIFY( std::numeric_limits<long>::max_digits10 == 0 ); | |
44 | VERIFY( std::numeric_limits<unsigned long>::max_digits10 == 0 ); | |
45 | VERIFY( std::numeric_limits<long long>::max_digits10 == 0 ); | |
46 | VERIFY( std::numeric_limits<unsigned long long>::max_digits10 == 0 ); | |
47 | VERIFY( std::numeric_limits<char16_t>::max_digits10 == 0 ); | |
48 | VERIFY( std::numeric_limits<char32_t>::max_digits10 == 0 ); | |
49 | ||
db425506 | 50 | // GNU Extensions. |
51 | #ifdef _GLIBCXX_USE_INT128 | |
52628f41 | 52 | VERIFY( std::numeric_limits<__int128>::max_digits10 == 0 ); |
53 | VERIFY( std::numeric_limits<unsigned __int128>::max_digits10 == 0 ); | |
db425506 | 54 | #endif |
55 | ||
b99d1526 | 56 | const int f_max_digits10 = (2 + std::numeric_limits<float>::digits |
57 | * 643 / 2136); | |
58 | VERIFY( std::numeric_limits<float>::max_digits10 == f_max_digits10 ); | |
59 | ||
60 | const int d_max_digits10 = (2 + std::numeric_limits<double>::digits | |
61 | * 643 / 2136); | |
62 | VERIFY( std::numeric_limits<double>::max_digits10 == d_max_digits10 ); | |
63 | ||
64 | const int ld_max_digits10 = (2 + std::numeric_limits<long double>::digits | |
65 | * 643 / 2136); | |
66 | VERIFY( std::numeric_limits<long double>::max_digits10 == ld_max_digits10 ); | |
67 | } | |
68 | ||
69 | int main() | |
70 | { | |
71 | test01(); | |
72 | return 0; | |
73 | } |