/******************************************************************************
 * Copyright (c) 2016, NVIDIA CORPORATION.  All rights reserved.
 * Modifications Copyright (c) 2019-2024, Advanced Micro Devices, Inc.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the NVIDIA CORPORATION nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL NVIDIA CORPORATION BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 ******************************************************************************/
#pragma once

#include <thrust/detail/config.h>

#if THRUST_DEVICE_COMPILER == THRUST_DEVICE_COMPILER_HIP
#include <thrust/distance.h>
#include <thrust/pair.h>
#include <thrust/system/hip/config.h>
#include <thrust/system/hip/detail/execution_policy.h>

THRUST_NAMESPACE_BEGIN
namespace hip_rocprim
{

    template <class Derived, class InputIt1, class InputIt2, class BinaryPred>
    pair<InputIt1, InputIt2> THRUST_HIP_FUNCTION
    mismatch(execution_policy<Derived>& policy,
             InputIt1                   first1,
             InputIt1                   last1,
             InputIt2                   first2,
             BinaryPred                 binary_pred);

    template <class Derived, class InputIt1, class InputIt2>
    pair<InputIt1, InputIt2> THRUST_HIP_FUNCTION
    mismatch(execution_policy<Derived>& policy,
             InputIt1                   first1,
             InputIt1                   last1,
             InputIt2                   first2);
} // namespace hip_rocprim
THRUST_NAMESPACE_END

#include <thrust/system/hip/detail/find.h>

THRUST_NAMESPACE_BEGIN
namespace hip_rocprim
{

    template <class Derived, class InputIt1, class InputIt2, class BinaryPred>
    pair<InputIt1, InputIt2> THRUST_HIP_FUNCTION
    mismatch(execution_policy<Derived>& policy,
             InputIt1                   first1,
             InputIt1                   last1,
             InputIt2                   first2,
             BinaryPred                 binary_pred)
    {
        typedef transform_pair_of_input_iterators_t<bool, InputIt1, InputIt2, BinaryPred>
            transform_t;

        transform_t transform_first = transform_t(first1, first2, binary_pred);

        transform_t result = hip_rocprim::find_if_not(
            policy, transform_first, transform_first + thrust::distance(first1, last1), identity());

        return thrust::make_pair(first1 + thrust::distance(transform_first, result),
                         first2 + thrust::distance(transform_first, result));
    }

    template <class Derived, class InputIt1, class InputIt2>
    pair<InputIt1, InputIt2> THRUST_HIP_FUNCTION
    mismatch(execution_policy<Derived>& policy,
             InputIt1                   first1,
             InputIt1                   last1,
             InputIt2                   first2)
    {
        typedef typename thrust::iterator_value<InputIt1>::type InputType1;
        return hip_rocprim::mismatch(policy, first1, last1, first2, equal_to<InputType1>());
    }

} // namespace hip_rocprim
THRUST_NAMESPACE_END
#endif
