label also with null weight

2011-05-25 15:33:16 +02:00 · 2011-05-25 15:33:16 +02:00 · e4b36ae8bb
parent 18a20dc117
commit e4b36ae8bb
1 changed files with 1 additions and 1 deletions
--- a/ext/cIGraph_community.c
+++ b/ext/cIGraph_community.c
@ -712,7 +712,7 @@ igraph_arpack_options_init(&arpack_opt);

 igraph_community_label_propagation(graph,
                                    &membership,
-                                    &weights_vec,
+                                    igraph_vector_size(&weights_vec) > 0 ? &weights_vec : NULL,
                                    NULL,
                                    NULL);