text: /* -*- mode: C -*-  */
  /*
     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_CONVERSION_H
  #define IGRAPH_CONVERSION_H
  
  #include "igraph_decls.h"
  #include "igraph_constants.h"
  #include "igraph_types.h"
  #include "igraph_datatype.h"
  #include "igraph_spmatrix.h"
  #include "igraph_matrix.h"
  #include "igraph_sparsemat.h"
  #include "igraph_attributes.h"
  
  __BEGIN_DECLS
  
  /* -------------------------------------------------- */
  /* Conversion                                         */
  /* -------------------------------------------------- */
  
  IGRAPH_EXPORT int igraph_get_adjacency(const igraph_t *graph, igraph_matrix_t *res,
                                         igraph_get_adjacency_t type, igraph_bool_t eids);
  IGRAPH_EXPORT int igraph_get_adjacency_sparse(const igraph_t *graph, igraph_spmatrix_t *res,
                                                igraph_get_adjacency_t type);
  
  IGRAPH_EXPORT int igraph_get_stochastic(const igraph_t *graph,
                                          igraph_matrix_t *matrix,
                                          igraph_bool_t column_wise);
  
  IGRAPH_EXPORT int igraph_get_stochastic_sparsemat(const igraph_t *graph,
                                                    igraph_sparsemat_t *sparsemat,
                                                    igraph_bool_t column_wise);
  
  IGRAPH_EXPORT int igraph_get_edgelist(const igraph_t *graph, igraph_vector_t *res, igraph_bool_t bycol);
  
  IGRAPH_EXPORT int igraph_to_directed(igraph_t *graph,
                                       igraph_to_directed_t flags);
  IGRAPH_EXPORT int igraph_to_undirected(igraph_t *graph,
                                         igraph_to_undirected_t mode,
                                         const igraph_attribute_combination_t *edge_comb);
  IGRAPH_EXPORT int igraph_to_prufer(const igraph_t *graph, igraph_vector_int_t *prufer);
  
  __END_DECLS
  
  #endif
  