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); // constexpr in C++20
12 
13 #include <complex>
14 #include <cassert>
15 
16 #include "test_macros.h"
17 
18 template <class T>
19 TEST_CONSTEXPR_CXX20
20 bool
test()21 test()
22 {
23     std::complex<T> c(1);
24     assert(c.real() == 1);
25     assert(c.imag() == 0);
26     c /= 0.5;
27     assert(c.real() == 2);
28     assert(c.imag() == 0);
29     c /= 0.5;
30     assert(c.real() == 4);
31     assert(c.imag() == 0);
32     c /= -0.5;
33     assert(c.real() == -8);
34     assert(c.imag() == 0);
35     c.imag(2);
36     c /= 0.5;
37     assert(c.real() == -16);
38     assert(c.imag() == 4);
39     return true;
40 }
41 
main(int,char **)42 int main(int, char**)
43 {
44     test<float>();
45     test<double>();
46     test<long double>();
47 
48 #if TEST_STD_VER >= 20
49     static_assert(test<float>());
50     static_assert(test<double>());
51     static_assert(test<long double>());
52 #endif
53 
54   return 0;
55 }
56