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// template<class T>
12// complex<T>
13// operator/(const T& lhs, const complex<T>& rhs); // constexpr in C++20
14
15#include <complex>
16#include <cassert>
17
18#include "test_macros.h"
19
20template <class T>
21TEST_CONSTEXPR_CXX20
22bool
23test()
24{
25 const T lhs(-8.5);
26 const std::complex<T> rhs(1.5, 2.5);
27 const std::complex<T> c = lhs / rhs;
28 assert(c.real() >= T(-1.500000000000001));
29 assert(c.real() <= T(-1.499999999999999));
30 assert(c.imag() >= T(2.499999999999999));
31 assert(c.imag() <= T(2.500000000000001));
32 return true;
33}
34
35int main(int, char**)
36{
37 test<float>();
38 test<double>();
39 test<long double>();
40
41#if TEST_STD_VER > 17
42 static_assert(test<float>());
43 static_assert(test<double>());
44 static_assert(test<long double>());
45#endif
46
47 return 0;
48}
49

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