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//===----------------------------------------------------------------------===//
//
// 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>
// template<class T>
// complex<T>
// operator-(const T& lhs, const complex<T>& rhs); // constexpr in C++20
#include <complex>
#include <cassert>
#include "test_macros.h"
template <class T>
TEST_CONSTEXPR_CXX20
bool
test()
{
{
const T lhs(1.5);
const std::complex<T> rhs(3.5, 4.5);
assert(lhs - rhs == std::complex<T>(-2.0, -4.5));
}
{
const T lhs(1.5);
const std::complex<T> rhs(-3.5, 4.5);
assert(lhs - rhs == std::complex<T>(5.0, -4.5));
}
return true;
}
int main(int, char**) {
test<float>();
test<double>();
test<long double>();
#if TEST_STD_VER > 17
static_assert(test<float>());
static_assert(test<double>());
static_assert(test<long double>());
#endif
return 0;
}
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