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libcxx/test/std/numerics/complex.number/complex.member.ops/minus_equal_complex.pass.cpp

53 lines
1.1 KiB
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <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>();
}