1 |
742 |
jeremybenn |
// { dg-options "-std=gnu++0x" }
|
2 |
|
|
// { dg-add-options ieee }
|
3 |
|
|
|
4 |
|
|
// 2010-02-25 Ed Smith-Rowland
|
5 |
|
|
|
6 |
|
|
// Copyright (C) 2010, 2011 Free Software Foundation
|
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 |
|
|
|
50 |
|
|
// GNU Extensions.
|
51 |
|
|
#ifdef _GLIBCXX_USE_INT128
|
52 |
|
|
VERIFY( std::numeric_limits<__int128>::max_digits10 == 0 );
|
53 |
|
|
VERIFY( std::numeric_limits<unsigned __int128>::max_digits10 == 0 );
|
54 |
|
|
#endif
|
55 |
|
|
|
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 |
|
|
}
|