]>
git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/26_numerics/complex/dr844.cc
1 // { dg-options "-std=gnu++0x" }
2 // 2008-06-12 Paolo Carlini <paolo.carlini@oracle.com>
4 // Copyright (C) 2008-2013 Free Software Foundation, Inc.
6 // This file is part of the GNU ISO C++ Library. This library is free
7 // software; you can redistribute it and/or modify it under the
8 // terms of the GNU General Public License as published by the
9 // Free Software Foundation; either version 3, or (at your option)
12 // This library is distributed in the hope that it will be useful,
13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 // GNU General Public License for more details.
17 // You should have received a copy of the GNU General Public License along
18 // with this library; see the file COPYING3. If not see
19 // <http://www.gnu.org/licenses/>.
22 #include <testsuite_hooks.h>
23 #include <testsuite_tr1.h>
25 // In C++11 mode we used to implement the resolution of
26 // DR 844. complex pow return type is ambiguous.
27 // However, doing that causes all sorts of issues, see, for example:
28 // http://gcc.gnu.org/ml/libstdc++/2013-01/msg00058.html
32 bool test
__attribute__((unused
)) = true;
33 using __gnu_test::check_ret_type
;
35 typedef std::complex<float> cmplx_f_type
;
36 typedef std::complex<double> cmplx_d_type
;
37 typedef std::complex<long double> cmplx_ld_type
;
40 const float f1
= 1.0f
;
41 const double d1
= 1.0;
42 const long double ld1
= 1.0l;
44 check_ret_type
<cmplx_f_type
>(std::pow(cmplx_f_type(f1
, f1
), i1
));
45 check_ret_type
<cmplx_d_type
>(std::pow(cmplx_d_type(d1
, d1
), i1
));
46 check_ret_type
<cmplx_ld_type
>(std::pow(cmplx_ld_type(ld1
, ld1
), i1
));