]>
Commit | Line | Data |
---|---|---|
8d9254fc | 1 | // Copyright (C) 2005-2020 Free Software Foundation, Inc. |
ba4b172f PC |
2 | // |
3 | // This file is part of the GNU ISO C++ Library. This library is free | |
4 | // software; you can redistribute it and/or modify it under the | |
5 | // terms of the GNU General Public License as published by the | |
748086b7 | 6 | // Free Software Foundation; either version 3, or (at your option) |
ba4b172f PC |
7 | // any later version. |
8 | ||
9 | // This library is distributed in the hope that it will be useful, | |
10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | // GNU General Public License for more details. | |
13 | ||
14 | // You should have received a copy of the GNU General Public License along | |
748086b7 JJ |
15 | // with this library; see the file COPYING3. If not see |
16 | // <http://www.gnu.org/licenses/>. | |
ba4b172f | 17 | |
a5ea7a0b RS |
18 | // { dg-do run { xfail lax_strtofp } } |
19 | ||
ba4b172f PC |
20 | #include <cmath> // for abs |
21 | #include <cfloat> // for DBL_EPSILON | |
22 | #include <sstream> | |
23 | #include <limits> | |
24 | #include <testsuite_hooks.h> | |
25 | ||
26 | // libstdc++/9151 | |
27 | void | |
28 | test06() | |
29 | { | |
30 | using namespace std; | |
ba4b172f PC |
31 | |
32 | int prec = numeric_limits<double>::digits10 + 2; | |
33 | double oval = numeric_limits<double>::min(); | |
34 | ||
35 | wstringstream ostr; | |
36 | ostr.precision(prec); | |
37 | ostr << oval; | |
38 | wstring sval = ostr.str(); | |
39 | wistringstream istr(sval); | |
40 | double ival; | |
41 | istr >> ival; | |
42 | VERIFY( abs(oval-ival)/oval < DBL_EPSILON ); | |
43 | } | |
44 | ||
45 | int | |
46 | main() | |
47 | { | |
48 | test06(); | |
49 | return 0; | |
50 | } |