/* -*- mode: C -*-  */
/* 
   IGraph library.
   Copyright (C) 2006-2012  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 g;
  igraph_vector_t edges;
  igraph_vector_t vids;
  igraph_integer_t class;
  
  igraph_vector_init_int_end(&edges, -1, 
			     0,1, 1,3, 1,4, 1,6, 3,1,
			     4,1, 4,2, 6,4, 6,5, 7,8,
			     8,7, 7,9, 9,7, 8,9, 9,8,
			     -1);
  igraph_create(&g, &edges, 0, IGRAPH_DIRECTED);
  igraph_vector_destroy(&edges);
  
  igraph_vector_init_int_end(&vids, -1, 1,4,6, -1);
  igraph_isoclass_subgraph(&g, &vids, &class);
  printf("class: %i\n", (int)class);
  igraph_vector_destroy(&vids);

  igraph_vector_init_int_end(&vids, -1, 0,1,3, -1);
  igraph_isoclass_subgraph(&g, &vids, &class);
  printf("class: %i\n", (int)class);
  igraph_vector_destroy(&vids);

  igraph_vector_init_int_end(&vids, -1, 7,8,9, -1);
  igraph_isoclass_subgraph(&g, &vids, &class);
  printf("class: %i\n", (int)class);
  igraph_vector_destroy(&vids);

  igraph_vector_init_int_end(&vids, -1, 0,2,5, -1);
  igraph_isoclass_subgraph(&g, &vids, &class);
  printf("class: %i\n", (int)class);
  igraph_vector_destroy(&vids);
  
  igraph_destroy(&g);
  return 0;
}
