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