//===----------------------------------------------------------------------===//
//
// 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
// SPDX-FileCopyrightText: Copyright (c) 2023 NVIDIA CORPORATION & AFFILIATES.
//
//===----------------------------------------------------------------------===//

// <cuda/std/complex>

// complex& operator*=(const complex& rhs);

#if defined(_MSC_VER)
#pragma warning(disable: 4244) // conversion from 'const double' to 'int', possible loss of data
#endif

#include <cuda/std/complex>
#include <cuda/std/cassert>

#include "test_macros.h"

template <class T>
__host__ __device__ TEST_CONSTEXPR_CXX14 bool
test()
{
    cuda::std::complex<T> c(1);
    const cuda::std::complex<T> c2(1.5, 2.5);
    assert(c.real() == 1);
    assert(c.imag() == 0);
    c *= c2;
    assert(c.real() == 1.5);
    assert(c.imag() == 2.5);
    c *= c2;
    assert(c.real() == -4);
    assert(c.imag() == 7.5);

    cuda::std::complex<T> c3;

    c3 = c;
    cuda::std::complex<int> ic (1,1);
    c3 *= ic;
    assert(c3.real() == -11.5);
    assert(c3.imag() ==   3.5);

    c3 = c;
    cuda::std::complex<float> fc (1,1);
    c3 *= fc;
    assert(c3.real() == -11.5);
    assert(c3.imag() ==   3.5);

    return true;
}

int main(int, char**)
{
    test<float>();
    test<double>();
// CUDA treats long double as double
//  test<long double>();
#if TEST_STD_VER > 11 && !defined(_LIBCUDACXX_HAS_NO_CONSTEXPR_COMPLEX_OPERATIONS)
#if !defined(__GNUC__) || (__GNUC__ > 7) // GCC 7 does not support constexpr is_nan and friends
    static_assert(test<float>(), "");
    static_assert(test<double>(), "");
// CUDA treats long double as double
//  static_assert(test<long double>(), "");
#endif
#endif

  return 0;
}
