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 complex& rhs); // constexpr in C++20
12
13#include <cassert>
14#include <complex>
15
16#include "floating_pointer_helpers.h"
17#include "test_macros.h"
18
19template <class T>
20TEST_CONSTEXPR_CXX20
21bool
22test()
23{
24 std::complex<T> c(-4, 7.5);
25 const std::complex<T> c2(1.5, 2.5);
26 assert(is_close(c.real(), T(-4)));
27 assert(is_close(c.imag(), T(7.5)));
28 c /= c2;
29 assert(is_close(c.real(), T(1.5)));
30 assert(is_close(c.imag(), T(2.5)));
31 c /= c2;
32 assert(is_close(c.real(), T(1)));
33 assert(is_close(c.imag(), T(0)));
34
35 std::complex<T> c3;
36
37 c3 = c;
38 std::complex<int> ic (1,1);
39 c3 /= ic;
40 assert(is_close(c3.real(), T(0.5)));
41 assert(is_close(c3.imag(), T(-0.5)));
42
43 c3 = c;
44 std::complex<float> fc (1,1);
45 c3 /= fc;
46 assert(is_close(c3.real(), T(0.5)));
47 assert(is_close(c3.imag(), T(-0.5)));
48 return true;
49}
50
51int main(int, char**)
52{
53 test<float>();
54 test<double>();
55 test<long double>();
56
57#if TEST_STD_VER >= 20
58 static_assert(test<float>());
59 static_assert(test<double>());
60 static_assert(test<long double>());
61#endif
62
63 return 0;
64}
65

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