1// { dg-do compile } 2// { dg-options "-std=gnu++11" } 3 4// Copyright (C) 2010-2015 Free Software Foundation, Inc. 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 9// Free Software Foundation; either version 3, or (at your option) 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 18// with this library; see the file COPYING3. If not see 19// <http://www.gnu.org/licenses/>. 20 21#include <complex> 22 23// User defined type, so that the primary std::complex template is used. 24namespace numext 25{ 26 struct ldld_base 27 { 28 long double one; 29 long double two; 30 }; 31 32 struct ldld_lit : public ldld_base 33 { }; 34 35 struct ldld_nonlit : public ldld_base 36 { 37 ~ldld_nonlit() { } 38 }; 39 40 bool 41 operator<(const ldld_base __a, const ldld_base __b) 42 { return __a.one < __b.one && __a.two < __b.two; } 43 44 bool 45 operator==(const ldld_base __a, const ldld_base __b) 46 { return __a.one == __b.one && __a.two == __b.two; } 47 48 ldld_base 49 operator+=(const ldld_base __a, const ldld_base __b) 50 { return ldld_base({ __a.one + __b.one, __a.two + __b.two}); } 51 52 ldld_base 53 operator-=(const ldld_base __a, const ldld_base __b) 54 { return ldld_base({ __a.one - __b.one, __a.two - __b.two}); } 55 56 ldld_base 57 operator*=(const ldld_base __a, const ldld_base __b) 58 { return ldld_base({ __a.one * __b.one, __a.two * __b.two}); } 59 60 ldld_base 61 operator/=(const ldld_base __a, const ldld_base __b) 62 { return ldld_base({ __a.one / __b.one, __a.two / __b.two}); } 63 64} 65 66constexpr std::complex<numext::ldld_lit> lit; // ok 67// constexpr std::complex<numext::ldld_nonlit> nonlit; // error 68