1 //===----------------------------------------------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 // <complex>
11 
12 // template<class T, class charT, class traits>
13 //   basic_ostream<charT, traits>&
14 //   operator<<(basic_ostream<charT, traits>& o, const complex<T>& x);
15 
16 #include <complex>
17 #include <sstream>
18 #include <cassert>
19 
main()20 int main()
21 {
22     std::complex<double> c(1, 2);
23     std::ostringstream os;
24     os << c;
25     assert(os.str() == "(1,2)");
26 }
27