// { dg-do run { target c++11 } } // 2008-06-12 Paolo Carlini // // Copyright (C) 2008-2019 Free Software Foundation, Inc. // // This file is part of the GNU ISO C++ Library. This library is free // software; you can redistribute it and/or modify it under the // terms of the GNU General Public License as published by the // Free Software Foundation; either version 3, or (at your option) // any later version. // // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License along // with this library; see the file COPYING3. If not see // . #include #include #include // In C++11 mode we used to implement the resolution of // DR 844. complex pow return type is ambiguous. // However, doing that causes all sorts of issues, see, for example: // http://gcc.gnu.org/ml/libstdc++/2013-01/msg00058.html // and also PR57974. void test01() { using __gnu_test::check_ret_type; typedef std::complex cmplx_f_type; typedef std::complex cmplx_d_type; typedef std::complex cmplx_ld_type; const int i1 = 1; const float f1 = 1.0f; const double d1 = 1.0; const long double ld1 = 1.0l; check_ret_type(std::pow(cmplx_f_type(f1, f1), i1)); check_ret_type(std::pow(cmplx_d_type(d1, d1), i1)); check_ret_type(std::pow(cmplx_ld_type(ld1, ld1), i1)); } int main() { test01(); return 0; }