Add graph references
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Abdelrahman Said
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/*
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igraph library.
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Copyright (C) 2009-2025 The igraph development team <igraph@igraph.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef IGRAPH_CENTRALITY_H
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#define IGRAPH_CENTRALITY_H
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#include "igraph_decls.h"
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#include "igraph_arpack.h"
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#include "igraph_constants.h"
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#include "igraph_datatype.h"
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#include "igraph_iterators.h"
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#include "igraph_error.h"
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#include "igraph_types.h"
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IGRAPH_BEGIN_C_DECLS
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/* -------------------------------------------------- */
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/* Centrality */
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/* -------------------------------------------------- */
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IGRAPH_EXPORT igraph_error_t igraph_closeness(const igraph_t *graph, igraph_vector_t *res,
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igraph_vector_int_t *reachable_count, igraph_bool_t *all_reachable,
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igraph_vs_t vids, igraph_neimode_t mode,
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const igraph_vector_t *weights, igraph_bool_t normalized);
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IGRAPH_EXPORT igraph_error_t igraph_closeness_cutoff(const igraph_t *graph, igraph_vector_t *res,
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igraph_vector_int_t *reachable_count, igraph_bool_t *all_reachable,
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igraph_vs_t vids, igraph_neimode_t mode,
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const igraph_vector_t *weights,
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igraph_bool_t normalized,
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igraph_real_t cutoff);
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IGRAPH_EXPORT igraph_error_t igraph_harmonic_centrality(const igraph_t *graph, igraph_vector_t *res,
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igraph_vs_t vids, igraph_neimode_t mode,
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const igraph_vector_t *weights,
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igraph_bool_t normalized);
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IGRAPH_EXPORT igraph_error_t igraph_harmonic_centrality_cutoff(const igraph_t *graph, igraph_vector_t *res,
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igraph_vs_t vids, igraph_neimode_t mode,
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const igraph_vector_t *weights,
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igraph_bool_t normalized,
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igraph_real_t cutoff);
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IGRAPH_EXPORT igraph_error_t igraph_betweenness(
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const igraph_t *graph, const igraph_vector_t *weights,
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igraph_vector_t *res,
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igraph_vs_t vids,
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igraph_bool_t directed, igraph_bool_t normalized);
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IGRAPH_EXPORT igraph_error_t igraph_betweenness_cutoff(
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const igraph_t *graph, const igraph_vector_t *weights,
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igraph_vector_t *res,
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igraph_vs_t vids,
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igraph_bool_t directed, igraph_bool_t normalized,
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igraph_real_t cutoff);
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IGRAPH_EXPORT igraph_error_t igraph_edge_betweenness(
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const igraph_t *graph, const igraph_vector_t *weights,
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igraph_vector_t *res, igraph_es_t eids,
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igraph_bool_t directed, igraph_bool_t normalized);
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IGRAPH_EXPORT igraph_error_t igraph_edge_betweenness_cutoff(
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const igraph_t *graph, const igraph_vector_t *weights,
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igraph_vector_t *res, igraph_es_t eids,
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igraph_bool_t directed, igraph_bool_t normalized,
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igraph_real_t cutoff);
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IGRAPH_EXPORT igraph_error_t igraph_betweenness_subset(
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const igraph_t *graph, const igraph_vector_t *weights,
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igraph_vector_t *res,
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igraph_vs_t sources, igraph_vs_t targets,
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igraph_vs_t vids,
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igraph_bool_t directed, igraph_bool_t normalized);
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IGRAPH_EXPORT igraph_error_t igraph_edge_betweenness_subset(
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const igraph_t *graph, const igraph_vector_t *weights,
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igraph_vector_t *res,
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igraph_vs_t sources, igraph_vs_t targets,
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igraph_es_t eids,
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igraph_bool_t directed, igraph_bool_t normalized);
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/**
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* \typedef igraph_pagerank_algo_t
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* \brief PageRank algorithm implementation.
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*
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* Algorithms to calculate PageRank.
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* \enumval IGRAPH_PAGERANK_ALGO_ARPACK Use the ARPACK library, this
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* was the PageRank implementation in igraph from version 0.5, until
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* version 0.7.
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* \enumval IGRAPH_PAGERANK_ALGO_PRPACK Use the PRPACK
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* library. Currently this implementation is recommended.
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*/
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typedef enum {
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IGRAPH_PAGERANK_ALGO_ARPACK = 1,
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IGRAPH_PAGERANK_ALGO_PRPACK = 2
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} igraph_pagerank_algo_t;
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IGRAPH_EXPORT igraph_error_t igraph_pagerank(
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const igraph_t *graph, const igraph_vector_t *weights,
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igraph_vector_t *vector, igraph_real_t *value,
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igraph_real_t damping, igraph_bool_t directed,
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igraph_vs_t vids,
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igraph_pagerank_algo_t algo,
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igraph_arpack_options_t *options);
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IGRAPH_EXPORT igraph_error_t igraph_personalized_pagerank(
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const igraph_t *graph, const igraph_vector_t *weights,
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igraph_vector_t *vector, igraph_real_t *value,
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const igraph_vector_t *reset,
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igraph_real_t damping, igraph_bool_t directed,
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igraph_vs_t vids,
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igraph_pagerank_algo_t algo,
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igraph_arpack_options_t *options);
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IGRAPH_EXPORT igraph_error_t igraph_personalized_pagerank_vs(
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const igraph_t *graph, const igraph_vector_t *weights,
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igraph_vector_t *vector, igraph_real_t *value,
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igraph_vs_t reset_vids, igraph_real_t damping,
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igraph_bool_t directed, igraph_vs_t vids,
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igraph_pagerank_algo_t algo,
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igraph_arpack_options_t *options);
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IGRAPH_EXPORT igraph_error_t igraph_eigenvector_centrality(const igraph_t *graph, igraph_vector_t *vector,
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igraph_real_t *value,
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igraph_neimode_t mode,
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const igraph_vector_t *weights,
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igraph_arpack_options_t *options);
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IGRAPH_EXPORT igraph_error_t igraph_hub_and_authority_scores(const igraph_t *graph, igraph_vector_t *hub_vector,
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igraph_vector_t *authority_vector,
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igraph_real_t *value,
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const igraph_vector_t *weights,
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igraph_arpack_options_t *options);
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IGRAPH_EXPORT igraph_error_t igraph_constraint(const igraph_t *graph, igraph_vector_t *res,
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igraph_vs_t vids, const igraph_vector_t *weights);
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IGRAPH_EXPORT igraph_error_t igraph_convergence_degree(const igraph_t *graph, igraph_vector_t *result,
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igraph_vector_t *ins, igraph_vector_t *outs);
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IGRAPH_EXPORT IGRAPH_FUNCATTR_PURE igraph_real_t igraph_centralization(const igraph_vector_t *scores,
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igraph_real_t theoretical_max,
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igraph_bool_t normalized);
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IGRAPH_EXPORT igraph_error_t igraph_centralization_degree(const igraph_t *graph, igraph_vector_t *res,
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igraph_neimode_t mode, igraph_loops_t loops,
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igraph_real_t *centralization,
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igraph_real_t *theoretical_max,
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igraph_bool_t normalized);
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IGRAPH_EXPORT igraph_error_t igraph_centralization_degree_tmax(const igraph_t *graph,
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igraph_int_t nodes,
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igraph_neimode_t mode,
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igraph_loops_t loops,
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igraph_real_t *res);
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IGRAPH_EXPORT igraph_error_t igraph_centralization_betweenness(const igraph_t *graph,
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igraph_vector_t *res,
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igraph_bool_t directed,
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igraph_real_t *centralization,
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igraph_real_t *theoretical_max,
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igraph_bool_t normalized);
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IGRAPH_EXPORT igraph_error_t igraph_centralization_betweenness_tmax(const igraph_t *graph,
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igraph_int_t nodes,
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igraph_bool_t directed,
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igraph_real_t *res);
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IGRAPH_EXPORT igraph_error_t igraph_centralization_closeness(const igraph_t *graph,
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igraph_vector_t *res,
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igraph_neimode_t mode,
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igraph_real_t *centralization,
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igraph_real_t *theoretical_max,
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igraph_bool_t normalized);
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IGRAPH_EXPORT igraph_error_t igraph_centralization_closeness_tmax(const igraph_t *graph,
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igraph_int_t nodes,
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igraph_neimode_t mode,
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igraph_real_t *res);
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IGRAPH_EXPORT igraph_error_t igraph_centralization_eigenvector_centrality(const igraph_t *graph,
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igraph_vector_t *vector,
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igraph_real_t *value,
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igraph_neimode_t mode,
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igraph_arpack_options_t *options,
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igraph_real_t *centralization,
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igraph_real_t *theoretical_max,
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igraph_bool_t normalized);
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IGRAPH_EXPORT igraph_error_t igraph_centralization_eigenvector_centrality_tmax(const igraph_t *graph,
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igraph_int_t nodes,
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igraph_neimode_t mode,
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igraph_real_t *res);
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IGRAPH_END_C_DECLS
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#endif
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