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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>
// complex& operator-=(const complex& rhs);
#include <complex>
#include <cassert>
template <class T>
void
test()
{
std::complex<T> c;
const std::complex<T> c2(1.5, 2.5);
assert(c.real() == 0);
assert(c.imag() == 0);
c -= c2;
assert(c.real() == -1.5);
assert(c.imag() == -2.5);
c -= c2;
assert(c.real() == -3);
assert(c.imag() == -5);
std::complex<T> c3;
c3 = c;
std::complex<int> ic (1,1);
c3 -= ic;
assert(c3.real() == -4);
assert(c3.imag() == -6);
c3 = c;
std::complex<float> fc (1,1);
c3 -= fc;
assert(c3.real() == -4);
assert(c3.imag() == -6);
}
int main()
{
test<float>();
test<double>();
test<long double>();
}
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