/*
 *  Copyright 2008-2013 NVIDIA Corporation
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

#pragma once

#include <thrust/detail/config.h>

#if defined(_CCCL_IMPLICIT_SYSTEM_HEADER_GCC)
#  pragma GCC system_header
#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_CLANG)
#  pragma clang system_header
#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_MSVC)
#  pragma system_header
#endif // no system header
#include <thrust/iterator/iterator_traits.h>
#include <thrust/mismatch.h>
#include <thrust/system/detail/adl/mismatch.h>
#include <thrust/system/detail/generic/mismatch.h>
#include <thrust/system/detail/generic/select_system.h>

THRUST_NAMESPACE_BEGIN

_CCCL_EXEC_CHECK_DISABLE
template <typename DerivedPolicy, typename InputIterator1, typename InputIterator2>
_CCCL_HOST_DEVICE thrust::pair<InputIterator1, InputIterator2>
mismatch(const thrust::detail::execution_policy_base<DerivedPolicy>& exec,
         InputIterator1 first1,
         InputIterator1 last1,
         InputIterator2 first2)
{
  using thrust::system::detail::generic::mismatch;
  return mismatch(thrust::detail::derived_cast(thrust::detail::strip_const(exec)), first1, last1, first2);
} // end mismatch()

_CCCL_EXEC_CHECK_DISABLE
template <typename DerivedPolicy, typename InputIterator1, typename InputIterator2, typename BinaryPredicate>
_CCCL_HOST_DEVICE thrust::pair<InputIterator1, InputIterator2> mismatch(
  const thrust::detail::execution_policy_base<DerivedPolicy>& exec,
  InputIterator1 first1,
  InputIterator1 last1,
  InputIterator2 first2,
  BinaryPredicate pred)
{
  using thrust::system::detail::generic::mismatch;
  return mismatch(thrust::detail::derived_cast(thrust::detail::strip_const(exec)), first1, last1, first2, pred);
} // end mismatch()

template <typename InputIterator1, typename InputIterator2>
thrust::pair<InputIterator1, InputIterator2> mismatch(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2)
{
  using thrust::system::detail::generic::select_system;

  typedef typename thrust::iterator_system<InputIterator1>::type System1;
  typedef typename thrust::iterator_system<InputIterator2>::type System2;

  System1 system1;
  System2 system2;

  return thrust::mismatch(select_system(system1, system2), first1, last1, first2);
} // end mismatch()

template <typename InputIterator1, typename InputIterator2, typename BinaryPredicate>
thrust::pair<InputIterator1, InputIterator2>
mismatch(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2, BinaryPredicate pred)
{
  using thrust::system::detail::generic::select_system;

  typedef typename thrust::iterator_system<InputIterator1>::type System1;
  typedef typename thrust::iterator_system<InputIterator2>::type System2;

  System1 system1;
  System2 system2;

  return thrust::mismatch(select_system(system1, system2), first1, last1, first2, pred);
} // end mismatch()

THRUST_NAMESPACE_END
