4e30cb71f9
2013-07-25 Paolo Carlini <paolo.carlini@oracle.com> * include/std/complex (pow(const complex<>&, int)): Enable in C++11 mode too. * testsuite/26_numerics/complex/dr844.cc: Adjust. * doc/xml/manual/intro.xml: Update. From-SVN: r201253
53 lines
1.8 KiB
C++
53 lines
1.8 KiB
C++
// { dg-options "-std=gnu++0x" }
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// 2008-06-12 Paolo Carlini <paolo.carlini@oracle.com>
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//
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// Copyright (C) 2008-2013 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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#include <complex>
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#include <testsuite_hooks.h>
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#include <testsuite_tr1.h>
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// In C++11 mode we used to implement the resolution of
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// DR 844. complex pow return type is ambiguous.
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// However, doing that causes all sorts of issues, see, for example:
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// http://gcc.gnu.org/ml/libstdc++/2013-01/msg00058.html
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// and also PR57974.
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void test01()
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{
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bool test __attribute__((unused)) = true;
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using __gnu_test::check_ret_type;
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typedef std::complex<float> cmplx_f_type;
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typedef std::complex<double> cmplx_d_type;
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typedef std::complex<long double> cmplx_ld_type;
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const int i1 = 1;
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const float f1 = 1.0f;
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const double d1 = 1.0;
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const long double ld1 = 1.0l;
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check_ret_type<cmplx_f_type>(std::pow(cmplx_f_type(f1, f1), i1));
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check_ret_type<cmplx_d_type>(std::pow(cmplx_d_type(d1, d1), i1));
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check_ret_type<cmplx_ld_type>(std::pow(cmplx_ld_type(ld1, ld1), i1));
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}
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int main()
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{
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test01();
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return 0;
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}
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