llvm-project/libcxx/test/std/numerics/complex.number/complex.member.ops/minus_equal_scalar.pass.cpp

44 lines
916 B
C++

//===----------------------------------------------------------------------===//
//
// 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 T& rhs);
#include <complex>
#include <cassert>
#include "test_macros.h"
template <class T>
void
test()
{
std::complex<T> c;
assert(c.real() == 0);
assert(c.imag() == 0);
c -= 1.5;
assert(c.real() == -1.5);
assert(c.imag() == 0);
c -= 1.5;
assert(c.real() == -3);
assert(c.imag() == 0);
c -= -1.5;
assert(c.real() == -1.5);
assert(c.imag() == 0);
}
int main(int, char**)
{
test<float>();
test<double>();
test<long double>();
return 0;
}