]>
git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/special_functions/14_expint/check_nan.cc
1 // { dg-require-c-std "" }
2 // { dg-add-options ieee }
3 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
5 // Copyright (C) 2016 Free Software Foundation, Inc.
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
10 // Free Software Foundation; either version 3, or (at your option)
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.
18 // You should have received a copy of the GNU General Public License along
19 // with this library; see the file COPYING3. If not see
20 // <http://www.gnu.org/licenses/>.
25 #include <testsuite_hooks.h>
30 float xf
= std::numeric_limits
<float>::quiet_NaN();
31 double xd
= std::numeric_limits
<double>::quiet_NaN();
32 long double xl
= std::numeric_limits
<long double>::quiet_NaN();
34 float a
= std::expint(xf
);
35 float b
= std::expintf(xf
);
36 double c
= std::expint(xd
);
37 long double d
= std::expint(xl
);
38 long double e
= std::expintl(xl
);
40 bool test
[[gnu::unused
]] = true;
41 VERIFY(std::isnan(a
));
42 VERIFY(std::isnan(b
));
43 VERIFY(std::isnan(c
));
44 VERIFY(std::isnan(d
));
45 VERIFY(std::isnan(e
));