/*
 *  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/system/detail/sequential/execution_policy.h>

THRUST_NAMESPACE_BEGIN
namespace system
{
namespace detail
{
namespace sequential
{

template <typename DerivedPolicy, typename RandomAccessIterator, typename StrictWeakOrdering>
_CCCL_HOST_DEVICE void stable_merge_sort(
  sequential::execution_policy<DerivedPolicy>& exec,
  RandomAccessIterator begin,
  RandomAccessIterator end,
  StrictWeakOrdering comp);

template <typename DerivedPolicy,
          typename RandomAccessIterator1,
          typename RandomAccessIterator2,
          typename StrictWeakOrdering>
_CCCL_HOST_DEVICE void stable_merge_sort_by_key(
  sequential::execution_policy<DerivedPolicy>& exec,
  RandomAccessIterator1 keys_begin,
  RandomAccessIterator1 keys_end,
  RandomAccessIterator2 values_begin,
  StrictWeakOrdering comp);

} // end namespace sequential
} // end namespace detail
} // end namespace system
THRUST_NAMESPACE_END

#include <thrust/system/detail/sequential/stable_merge_sort.inl>
