1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 // <complex>
10 
11 // template<> class complex<double>
12 // {
13 // public:
14 //     explicit constexpr complex(const complex<long double>&);
15 // };
16 
17 #include <complex>
18 #include <cassert>
19 
20 #include "test_macros.h"
21 
main(int,char **)22 int main(int, char**)
23 {
24     {
25     const std::complex<long double> cd(2.5, 3.5);
26     std::complex<double> cf(cd);
27     assert(cf.real() == cd.real());
28     assert(cf.imag() == cd.imag());
29     }
30 #if TEST_STD_VER >= 11
31     {
32     constexpr std::complex<long double> cd(2.5, 3.5);
33     constexpr std::complex<double> cf(cd);
34     static_assert(cf.real() == cd.real(), "");
35     static_assert(cf.imag() == cd.imag(), "");
36     }
37 #endif
38 
39   return 0;
40 }
41