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/* -*- mode: C -*- */
/*
IGraph library.
Copyright (C) 2007-2012 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>
#include <stdio.h>
int main() {
igraph_t g;
FILE *ifile;
ifile=fopen("karate.gml", "r");
if (ifile==0) {
return 10;
}
igraph_read_graph_gml(&g, ifile);
fclose(ifile);
if (igraph_is_directed(&g)) {
printf("directed\n");
} else {
printf("undirected\n");
}
igraph_write_graph_edgelist(&g, stdout);
printf("-----------------\n");
igraph_write_graph_gml(&g, stdout, 0, "test suite");
igraph_destroy(&g);
return 0;
}
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