File: igraph_is_loop.c

package info (click to toggle)
igraph 0.5.4-2
  • links: PTS, VCS
  • area: main
  • in suites: wheezy
  • size: 10,652 kB
  • sloc: ansic: 80,327; sh: 18,837; cpp: 11,796; makefile: 1,376; yacc: 833; xml: 378; lex: 305
file content (55 lines) | stat: -rw-r--r-- 1,696 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
/* -*- mode: C -*-  */
/* 
   IGraph library.
   Copyright (C) 2007  Gabor Csardi <csardi@rmki.kfki.hu>
   MTA RMKI, Konkoly-Thege Miklos st. 29-33, Budapest 1121, Hungary
   
   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>

void print_vector(igraph_vector_bool_t *v, FILE *f) {
  long int i;
  for (i=0; i<igraph_vector_bool_size(v); i++) {
    fprintf(f, " %i", (int) VECTOR(*v)[i]);
  }
  fprintf(f, "\n");
}

int main() {
  
  igraph_t graph;
  igraph_vector_bool_t v;
  
  igraph_vector_bool_init(&v, 0);

  igraph_small(&graph, 0, IGRAPH_DIRECTED, 0,1, 1,2, 2,1, 0,1, 1,0, 3,4, 11,10, -1);
  igraph_is_loop(&graph, &v, igraph_ess_all(IGRAPH_EDGEORDER_ID));
  print_vector(&v, stdout);
  igraph_destroy(&graph);
  
  igraph_small(&graph, 0, IGRAPH_UNDIRECTED,
	       0,0, 1,1, 2,2, 2,3, 2,4, 2,5, 2,6, 2,2, 0,0, -1);
  igraph_is_loop(&graph, &v, igraph_ess_all(IGRAPH_EDGEORDER_ID));
  print_vector(&v, stdout);
  igraph_destroy(&graph);

  igraph_vector_bool_destroy(&v);
  
  return 0;
}