1 /* -*- mode: C -*- */
2 /*
3 IGraph library.
4 Copyright (C) 2006-2012 Gabor Csardi <csardi.gabor@gmail.com>
5 334 Harvard st, Cambridge MA, 02139 USA
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
20 02110-1301 USA
21
22 */
23
24 #include <igraph.h>
25 #include <math.h>
26
main()27 int main() {
28
29 igraph_t g;
30 FILE *f;
31 igraph_matrix_t coords;
32 /* long int i, n; */
33
34 f = fopen("igraph_layout_reingold_tilford.in", "r");
35 igraph_read_graph_edgelist(&g, f, 0, 1);
36 igraph_matrix_init(&coords, 0, 0);
37 igraph_layout_reingold_tilford(&g, &coords, IGRAPH_IN, 0, 0);
38
39 /*n=igraph_vcount(&g);
40 for (i=0; i<n; i++) {
41 printf("%6.3f %6.3f\n", MATRIX(coords, i, 0), MATRIX(coords, i, 1));
42 }*/
43
44 igraph_matrix_destroy(&coords);
45 igraph_destroy(&g);
46 return 0;
47 }
48