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/*
igraph library.
Copyright (C) 2006-2012 Gabor Csardi <csardi.gabor@gmail.com>
334 Harvard st, 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>
int main(void) {
igraph_t g;
igraph_int_t edges_array[] = { 0, 1, 1, 2, 2, 2, 2, 3, 2, 4, 3, 4 };
igraph_vector_int_t edges =
igraph_vector_int_view(edges_array, sizeof(edges_array) / sizeof(edges_array[0]));
igraph_vector_int_t v2;
igraph_int_t i;
igraph_vit_t vit;
igraph_vs_t vs;
igraph_int_t size;
/* Initialize the library. */
igraph_setup();
igraph_create(&g, &edges, 0, IGRAPH_DIRECTED);
/* Create iterator based on a vector (view) */
igraph_vector_int_init(&v2, 6);
VECTOR(v2)[0] = 0;
VECTOR(v2)[1] = 2;
VECTOR(v2)[2] = 4;
VECTOR(v2)[3] = 0;
VECTOR(v2)[4] = 2;
VECTOR(v2)[5] = 4;
igraph_vit_create(&g, igraph_vss_vector(&v2), &vit);
i = 0;
while (!IGRAPH_VIT_END(vit)) {
if (IGRAPH_VIT_GET(vit) != VECTOR(v2)[i]) {
return 1;
}
IGRAPH_VIT_NEXT(vit);
i++;
}
if (i != igraph_vector_int_size(&v2)) {
return 2;
}
igraph_vit_destroy(&vit);
igraph_vector_int_destroy(&v2);
/* Create small vector iterator */
igraph_vs_vector_small(&vs, 0, 2, 4, 0, 2, 4, 2, -1);
igraph_vit_create(&g, vs, &vit);
igraph_vs_size(&g, &vs, &size);
printf("%" IGRAPH_PRId " ", size);
for (; !IGRAPH_VIT_END(vit); IGRAPH_VIT_NEXT(vit)) {
printf("%" IGRAPH_PRId " ", IGRAPH_VIT_GET(vit));
}
printf("\n");
igraph_vit_destroy(&vit);
igraph_vs_destroy(&vs);
/* Clean up */
igraph_destroy(&g);
return 0;
}
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