37 mutable std::vector<long> linkIndex;
38 mutable std::vector<double> linkWeight;
39 mutable std::vector<double> clusterWeight;
40 mutable std::vector<int> linkOffset;
41 mutable std::vector<int> clusterOffset;
42 mutable std::vector<long> clusterIndex;
43 mutable std::vector<long> clustersAreaIndex;