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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/tr1/5_numerical_facilities/special_functions/20_riemann_zeta/check_nan.cc
1 // { dg-require-c-std "" }
2 // { dg-add-options ieee }
4 // 2007-01-10 Edward Smith-Rowland <3dw4rd@verizon.net>
6 // Copyright (C) 2006-2007, 2009 Free Software Foundation, Inc.
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)
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.
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/>.
23 // 5.2.1.20 riemann_zeta
26 #include <testsuite_hooks.h>
32 float xf
= std::numeric_limits
<float>::quiet_NaN();
33 double xd
= std::numeric_limits
<double>::quiet_NaN();
34 long double xl
= std::numeric_limits
<long double>::quiet_NaN();
36 float a
= std::tr1::riemann_zeta(xf
);
37 float b
= std::tr1::riemann_zetaf(xf
);
38 double c
= std::tr1::riemann_zeta(xd
);
39 long double d
= std::tr1::riemann_zeta(xl
);
40 long double e
= std::tr1::riemann_zetal(xl
);
42 VERIFY(std::tr1::isnan
<float>(a
));
43 VERIFY(std::tr1::isnan
<float>(b
));
44 VERIFY(std::tr1::isnan
<double>(c
));
45 VERIFY(std::tr1::isnan
<long double>(d
));
46 VERIFY(std::tr1::isnan
<long double>(e
));