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

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832 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>
#include <complex>
#include <cassert>
#include "test_macros.h"
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(int, char**)
{
test<float>();
test<double>();
test<long double>();
return 0;
}