blob: 12e184086df983a40d41eaa9c0724a67cb15380e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
// { dg-add-options ieee }
// 1999-08-23 bkoz
// Copyright (C) 1999-2019 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// 18.2.1.1 template class numeric_limits
#include <limits>
#include <limits.h>
#include <float.h>
#include <cwchar>
#include <testsuite_hooks.h>
template<typename T>
void
test_is_iec559()
{
bool test;
if (std::numeric_limits<T>::is_iec559)
{
// IEC 559 requires all of the following.
test = (std::numeric_limits<T>::has_infinity
&& std::numeric_limits<T>::has_quiet_NaN
&& std::numeric_limits<T>::has_signaling_NaN);
}
else
{
// If we had all of the following, why didn't we set IEC 559?
test = (!std::numeric_limits<T>::has_infinity
|| !std::numeric_limits<T>::has_quiet_NaN
|| !std::numeric_limits<T>::has_signaling_NaN);
}
VERIFY (test);
}
// libstdc++/8949
void test04()
{
VERIFY( !std::numeric_limits<short>::is_iec559 );
VERIFY( !std::numeric_limits<unsigned short>::is_iec559 );
VERIFY( !std::numeric_limits<int>::is_iec559 );
VERIFY( !std::numeric_limits<unsigned int>::is_iec559 );
VERIFY( !std::numeric_limits<long>::is_iec559 );
VERIFY( !std::numeric_limits<unsigned long>::is_iec559 );
VERIFY( !std::numeric_limits<long long>::is_iec559 );
VERIFY( !std::numeric_limits<unsigned long long>::is_iec559 );
}
int main()
{
test_is_iec559<float>();
test_is_iec559<double>();
test_is_iec559<long double>();
test04();
return 0;
}
|
