libcxx/test/std/numerics/complex.number/layout.pass.cpp

//===----------------------------------------------------------------------===//
//
//                     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>

#include <complex>
#include <cassert>

template <class T>
void
test()
{
    std::complex<T> z;
    T* a = (T*)&z;
    assert(0 == z.real());
    assert(0 == z.imag());
    assert(a[0] == z.real());
    assert(a[1] == z.imag());
    a[0] = 5;
    a[1] = 6;
    assert(a[0] == z.real());
    assert(a[1] == z.imag());
}

int main()
{
    test<float>();
    test<double>();
    test<long double>();
}