int main() {
igraph_t graph;
igraph_vector_ptr_t separators;
long int i, n;
igraph_famous(&graph, "zachary");
igraph_vector_ptr_init(&separators, 0);
igraph_all_minimal_st_separators(&graph, &separators);
n=igraph_vector_ptr_size(&separators);
for (i=0; i<n; i++) {
igraph_bool_t res;
igraph_vector_t *sep=VECTOR(separators)[i];
igraph_is_separator(&graph, igraph_vss_vector(sep), &res);
if (!res) {
printf("Vertex set %li is not a separator!\n", i);
igraph_vector_print(sep);
return 1;
}
}
igraph_destroy(&graph);
for (i=0; i<n; i++) {
igraph_vector_t *v=VECTOR(separators)[i];
igraph_vector_destroy(v);
igraph_Free(v);
}
igraph_vector_ptr_destroy(&separators);
return 0;
}
int main() {
igraph_t g;
igraph_vector_t y;
/* turn on attribute handling */
igraph_i_set_attribute_table(&igraph_cattribute_table);
/* Create a graph, add some attributes and save it as a GraphML file */
igraph_famous(&g, "Petersen");
SETGAS(&g, "name", "Petersen's graph");
SETGAN(&g, "vertices", igraph_vcount(&g));
SETGAN(&g, "edges", igraph_ecount(&g));
igraph_vector_init_seq(&y, 1, igraph_vcount(&g));
SETVANV(&g, "id", &y);
igraph_vector_destroy(&y);
SETVAS(&g, "name", 0, "foo");
SETVAS(&g, "name", 1, "foobar");
igraph_vector_init_seq(&y, 1, igraph_ecount(&g));
SETEANV(&g, "id", &y);
igraph_vector_destroy(&y);
SETEAS(&g, "name", 0, "FOO");
SETEAS(&g, "name", 1, "FOOBAR");
igraph_write_graph_gml(&g, stdout, 0, "");
igraph_write_graph_graphml(&g, stdout);
igraph_destroy(&g);
return 0;
}
