//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <complex>
// complex& operator=(const complex&);
// template<class X> complex& operator= (const complex<X>&); // constexpr in C++20
#include <complex>
#include <cassert>
#include "test_macros.h"
template <class T, class X>
TEST_CONSTEXPR_CXX20
bool
test()
{
std::complex<T> c;
assert(c.real() == 0);
assert(c.imag() == 0);
std::complex<T> c2(1.5, 2.5);
c = c2;
assert(c.real() == 1.5);
assert(c.imag() == 2.5);
std::complex<X> c3(3.5, -4.5);
c = c3;
assert(c.real() == 3.5);
assert(c.imag() == -4.5);
return true;
}
int main(int, char**)
{
test<float, float>();
test<float, double>();
test<float, long double>();
test<double, float>();
test<double, double>();
test<double, long double>();
test<long double, float>();
test<long double, double>();
test<long double, long double>();
#if TEST_STD_VER >= 20
static_assert(test<float, float>());
static_assert(test<float, double>());
static_assert(test<float, long double>());
static_assert(test<double, float>());
static_assert(test<double, double>());
static_assert(test<double, long double>());
static_assert(test<long double, float>());
static_assert(test<long double, double>());
static_assert(test<long double, long double>());
#endif
return 0;
}