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 // complex& operator+=(const T& rhs);
13 
14 #include <complex>
15 #include <cassert>
16 
17 template <class T>
18 void
19 test()
20 {
21     std::complex<T> c;
22     assert(c.real() == 0);
23     assert(c.imag() == 0);
24     c += 1.5;
25     assert(c.real() == 1.5);
26     assert(c.imag() == 0);
27     c += 1.5;
28     assert(c.real() == 3);
29     assert(c.imag() == 0);
30     c += -1.5;
31     assert(c.real() == 1.5);
32     assert(c.imag() == 0);
33 }
34 
35 int main()
36 {
37     test<float>();
38     test<double>();
39     test<long double>();
40 }
41