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
18template <class T>
19TEST_CONSTEXPR_CXX20
20bool
21test()
22{
23 std::complex<T> c(1);
24 assert(c.real() == 1);
25 assert(c.imag() == 0);
26 c *= 1.5;
27 assert(c.real() == 1.5);
28 assert(c.imag() == 0);
29 c *= 1.5;
30 assert(c.real() == 2.25);
31 assert(c.imag() == 0);
32 c *= -1.5;
33 assert(c.real() == -3.375);
34 assert(c.imag() == 0);
35 c.imag(2);
36 c *= 1.5;
37 assert(c.real() == -5.0625);
38 assert(c.imag() == 3);
39 return true;
40}
41
42int 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

source code of libcxx/test/std/numerics/complex.number/complex.member.ops/times_equal_scalar.pass.cpp