/* -*- mode: C -*-  */
/* 
   IGraph library.
   Copyright (C) 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

*/

#include <igraph.h>

int main() {
  igraph_t graph;
  igraph_vector_bool_t type;
  igraph_bool_t typev[] = { 0,1,0,1,0,1,0,1,0,1 };

  /* turn on attribute handling */
  igraph_i_set_attribute_table(&igraph_cattribute_table);
  
  igraph_ring(&graph, 10, IGRAPH_UNDIRECTED, /*mutual=*/ 0, /*circular=*/ 1);
  igraph_vector_bool_view(&type, typev, sizeof(typev)/sizeof(igraph_bool_t));
  SETVABV(&graph, "type", &type);

  igraph_write_graph_pajek(&graph, stdout);
  
  igraph_destroy(&graph);

  return 0;
}