/usr/include/igraph/igraph_centrality.h is in libigraph0-dev 0.7.1-2.1build2.
This file is owned by root:root, with mode 0o644.
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/*
IGraph library.
Copyright (C) 2009-2012 Gabor Csardi <csardi.gabor@gmail.com>
334 Harvard street, Cambridge, MA 02139 USA
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA
*/
#ifndef IGRAPH_CENTRALITY_H
#define IGRAPH_CENTRALITY_H
#undef __BEGIN_DECLS
#undef __END_DECLS
#ifdef __cplusplus
# define __BEGIN_DECLS extern "C" {
# define __END_DECLS }
#else
# define __BEGIN_DECLS /* empty */
# define __END_DECLS /* empty */
#endif
#include "igraph_constants.h"
#include "igraph_types.h"
#include "igraph_datatype.h"
#include "igraph_iterators.h"
#include "igraph_arpack.h"
__BEGIN_DECLS
/* -------------------------------------------------- */
/* Centrality */
/* -------------------------------------------------- */
int igraph_closeness(const igraph_t *graph, igraph_vector_t *res,
const igraph_vs_t vids, igraph_neimode_t mode,
const igraph_vector_t *weights, igraph_bool_t normalized);
int igraph_closeness_estimate(const igraph_t *graph, igraph_vector_t *res,
const igraph_vs_t vids, igraph_neimode_t mode,
igraph_real_t cutoff,
const igraph_vector_t *weights,
igraph_bool_t normalized);
int igraph_betweenness(const igraph_t *graph, igraph_vector_t *res,
const igraph_vs_t vids, igraph_bool_t directed,
const igraph_vector_t *weights, igraph_bool_t nobigint);
int igraph_betweenness_estimate(const igraph_t *graph, igraph_vector_t *res,
const igraph_vs_t vids, igraph_bool_t directed,
igraph_real_t cutoff,
const igraph_vector_t *weights,
igraph_bool_t nobigint);
int igraph_edge_betweenness(const igraph_t *graph, igraph_vector_t *result,
igraph_bool_t directed,
const igraph_vector_t *weigths);
int igraph_edge_betweenness_estimate(const igraph_t *graph, igraph_vector_t *result,
igraph_bool_t directed, igraph_real_t cutoff,
const igraph_vector_t *weights);
int igraph_pagerank_old(const igraph_t *graph, igraph_vector_t *res,
const igraph_vs_t vids, igraph_bool_t directed,
igraph_integer_t niter, igraph_real_t eps,
igraph_real_t damping, igraph_bool_t old);
/**
* \typedef igraph_pagerank_algo_t
* \brief PageRank algorithm implementation
*
* Algorithms to calculate PageRank.
* \enumval IGRAPH_PAGERANK_ALGO_POWER Use a simple power iteration,
* as it was implemented before igraph version 0.5.
* \enumval IGRAPH_PAGERANK_ALGO_ARPACK Use the ARPACK library, this
* was the PageRank implementation in igraph from version 0.5, until
* version 0.7.
* \enumval IGRAPH_PAGERANK_ALGO_PRPACK Use the PRPACK
* library. Currently this implementation is recommended.
*/
typedef enum {
IGRAPH_PAGERANK_ALGO_POWER=0,
IGRAPH_PAGERANK_ALGO_ARPACK=1,
IGRAPH_PAGERANK_ALGO_PRPACK=2
} igraph_pagerank_algo_t;
/**
* \struct igraph_pagerank_power_options_t
* \brief Options for the power method
*
* \member niter The number of iterations to perform, integer.
* \member eps The algorithm will consider the calculation as complete
* if the difference of values between iterations change
* less than this value for every vertex.
*/
typedef struct igraph_pagerank_power_options_t {
igraph_integer_t niter;
igraph_real_t eps;
} igraph_pagerank_power_options_t;
int igraph_pagerank(const igraph_t *graph, igraph_pagerank_algo_t algo,
igraph_vector_t *vector,
igraph_real_t *value, const igraph_vs_t vids,
igraph_bool_t directed, igraph_real_t damping,
const igraph_vector_t *weights, void *options);
int igraph_personalized_pagerank(const igraph_t *graph,
igraph_pagerank_algo_t algo, igraph_vector_t *vector,
igraph_real_t *value, const igraph_vs_t vids,
igraph_bool_t directed, igraph_real_t damping,
igraph_vector_t *reset,
const igraph_vector_t *weights, void *options);
int igraph_personalized_pagerank_vs(const igraph_t *graph,
igraph_pagerank_algo_t algo,
igraph_vector_t *vector,
igraph_real_t *value, const igraph_vs_t vids,
igraph_bool_t directed, igraph_real_t damping,
igraph_vs_t reset_vids,
const igraph_vector_t *weights, void *options);
int igraph_eigenvector_centrality(const igraph_t *graph, igraph_vector_t *vector,
igraph_real_t *value,
igraph_bool_t directed, igraph_bool_t scale,
const igraph_vector_t *weights,
igraph_arpack_options_t *options);
int igraph_hub_score(const igraph_t *graph, igraph_vector_t *vector,
igraph_real_t *value, igraph_bool_t scale,
const igraph_vector_t *weights,
igraph_arpack_options_t *options);
int igraph_authority_score(const igraph_t *graph, igraph_vector_t *vector,
igraph_real_t *value, igraph_bool_t scale,
const igraph_vector_t *weights,
igraph_arpack_options_t *options);
int igraph_constraint(const igraph_t *graph, igraph_vector_t *res,
igraph_vs_t vids, const igraph_vector_t *weights);
int igraph_strength(const igraph_t *graph, igraph_vector_t *res,
const igraph_vs_t vids, igraph_neimode_t mode,
igraph_bool_t loops, const igraph_vector_t *weights);
int igraph_convergence_degree(const igraph_t *graph, igraph_vector_t *result,
igraph_vector_t *ins, igraph_vector_t *outs);
int igraph_sort_vertex_ids_by_degree(const igraph_t *graph,
igraph_vector_t *outvids,
igraph_vs_t vids,
igraph_neimode_t mode,
igraph_bool_t loops,
igraph_order_t order,
igraph_bool_t only_indices);
igraph_real_t igraph_centralization(const igraph_vector_t *scores,
igraph_real_t theoretical_max,
igraph_bool_t normalized);
int igraph_centralization_degree(const igraph_t *graph, igraph_vector_t *res,
igraph_neimode_t mode, igraph_bool_t loops,
igraph_real_t *centralization,
igraph_real_t *theoretical_max,
igraph_bool_t normalized);
int igraph_centralization_degree_tmax(const igraph_t *graph,
igraph_integer_t nodes,
igraph_neimode_t mode,
igraph_bool_t loops,
igraph_real_t *res);
int igraph_centralization_betweenness(const igraph_t *graph,
igraph_vector_t *res,
igraph_bool_t directed,
igraph_bool_t nobigint,
igraph_real_t *centralization,
igraph_real_t *theoretical_max,
igraph_bool_t normalized);
int igraph_centralization_betweenness_tmax(const igraph_t *graph,
igraph_integer_t nodes,
igraph_bool_t directed,
igraph_real_t *res);
int igraph_centralization_closeness(const igraph_t *graph,
igraph_vector_t *res,
igraph_neimode_t mode,
igraph_real_t *centralization,
igraph_real_t *theoretical_max,
igraph_bool_t normalized);
int igraph_centralization_closeness_tmax(const igraph_t *graph,
igraph_integer_t nodes,
igraph_neimode_t mode,
igraph_real_t *res);
int igraph_centralization_eigenvector_centrality(
const igraph_t *graph,
igraph_vector_t *vector,
igraph_real_t *value,
igraph_bool_t directed,
igraph_bool_t scale,
igraph_arpack_options_t *options,
igraph_real_t *centralization,
igraph_real_t *theoretical_max,
igraph_bool_t normalized);
int igraph_centralization_eigenvector_centrality_tmax(
const igraph_t *graph,
igraph_integer_t nodes,
igraph_bool_t directed,
igraph_bool_t scale,
igraph_real_t *res);
__END_DECLS
#endif
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