single_linkage_output.hpp

Go to the documentation of this file.

/*
 * Copyright (c) 2025, 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 <raft/core/device_mdspan.hpp>
 
namespace ML {
 
template <typename idx_t>
class single_linkage_output {
 public:
  idx_t m;
  idx_t n_clusters;
 
  idx_t n_leaves;
  idx_t n_connected_components;
 
  idx_t* labels;
  idx_t* children;
 
  raft::device_vector_view<idx_t> get_labels()
  {
    return raft::make_device_vector_view<idx_t>(labels, m);
  }
 
  raft::device_matrix_view<idx_t> get_children()
  {
    return raft::make_device_matrix_view<idx_t>(children, m - 1, 2);
  }
};
 
}  // end namespace ML