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be58e01d | 1 | // { dg-do run { target c++11 } } |
2ec89d4f | 2 | // 2008-06-12 Paolo Carlini <paolo.carlini@oracle.com> |
3 | // | |
fbd26352 | 4 | // Copyright (C) 2008-2019 Free Software Foundation, Inc. |
2ec89d4f | 5 | // |
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 | |
6bc9506f | 9 | // Free Software Foundation; either version 3, or (at your option) |
2ec89d4f | 10 | // any later version. |
11 | // | |
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. | |
16 | // | |
17 | // You should have received a copy of the GNU General Public License along | |
6bc9506f | 18 | // with this library; see the file COPYING3. If not see |
19 | // <http://www.gnu.org/licenses/>. | |
2ec89d4f | 20 | |
21 | #include <complex> | |
22 | #include <testsuite_hooks.h> | |
23 | #include <testsuite_tr1.h> | |
24 | ||
cd13c6c8 | 25 | // In C++11 mode we used to implement the resolution of |
2ec89d4f | 26 | // DR 844. complex pow return type is ambiguous. |
cd13c6c8 | 27 | // However, doing that causes all sorts of issues, see, for example: |
28 | // http://gcc.gnu.org/ml/libstdc++/2013-01/msg00058.html | |
29 | // and also PR57974. | |
2ec89d4f | 30 | void test01() |
31 | { | |
2ec89d4f | 32 | using __gnu_test::check_ret_type; |
33 | ||
34 | typedef std::complex<float> cmplx_f_type; | |
35 | typedef std::complex<double> cmplx_d_type; | |
36 | typedef std::complex<long double> cmplx_ld_type; | |
37 | ||
38 | const int i1 = 1; | |
39 | const float f1 = 1.0f; | |
40 | const double d1 = 1.0; | |
41 | const long double ld1 = 1.0l; | |
42 | ||
cd13c6c8 | 43 | check_ret_type<cmplx_f_type>(std::pow(cmplx_f_type(f1, f1), i1)); |
2ec89d4f | 44 | check_ret_type<cmplx_d_type>(std::pow(cmplx_d_type(d1, d1), i1)); |
45 | check_ret_type<cmplx_ld_type>(std::pow(cmplx_ld_type(ld1, ld1), i1)); | |
46 | } | |
47 | ||
48 | int main() | |
49 | { | |
50 | test01(); | |
51 | return 0; | |
52 | } |