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 // complex& operator+=(const T& rhs);
12 
13 #include <complex>
14 #include <cassert>
15 
16 #include "test_macros.h"
17 
18 template <class T>
19 void
test()20 test()
21 {
22     std::complex<T> c;
23     assert(c.real() == 0);
24     assert(c.imag() == 0);
25     c += 1.5;
26     assert(c.real() == 1.5);
27     assert(c.imag() == 0);
28     c += 1.5;
29     assert(c.real() == 3);
30     assert(c.imag() == 0);
31     c += -1.5;
32     assert(c.real() == 1.5);
33     assert(c.imag() == 0);
34 }
35 
main(int,char **)36 int main(int, char**)
37 {
38     test<float>();
39     test<double>();
40     test<long double>();
41 
42   return 0;
43 }
44