deduplicate.hpp

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/*
 * SPDX-FileCopyrightText: Copyright (c) 2025, NVIDIA CORPORATION.
 * SPDX-License-Identifier: Apache-2.0
 */
#pragma once
 
#include <cudf/column/column.hpp>
#include <cudf/strings/strings_column_view.hpp>
#include <cudf/utilities/export.hpp>
#include <cudf/utilities/memory_resource.hpp>
 
#include <rmm/cuda_stream_view.hpp>
#include <rmm/device_uvector.hpp>
 
namespace CUDF_EXPORT nvtext {
std::unique_ptr<rmm::device_uvector<cudf::size_type>> build_suffix_array(
  cudf::strings_column_view const& input,
  cudf::size_type min_width,
  rmm::cuda_stream_view stream      = cudf::get_default_stream(),
  rmm::device_async_resource_ref mr = cudf::get_current_device_resource_ref());
 
std::unique_ptr<cudf::column> resolve_duplicates(
  cudf::strings_column_view const& input,
  cudf::device_span<cudf::size_type const> indices,
  cudf::size_type min_width,
  rmm::cuda_stream_view stream      = cudf::get_default_stream(),
  rmm::device_async_resource_ref mr = cudf::get_current_device_resource_ref());
 
std::unique_ptr<cudf::column> resolve_duplicates_pair(
  cudf::strings_column_view const& input1,
  cudf::device_span<cudf::size_type const> indices1,
  cudf::strings_column_view const& input2,
  cudf::device_span<cudf::size_type const> indices2,
  cudf::size_type min_width,
  rmm::cuda_stream_view stream      = cudf::get_default_stream(),
  rmm::device_async_resource_ref mr = cudf::get_current_device_resource_ref());
  // end of group
}  // namespace CUDF_EXPORT nvtext