/* -*- mode: C -*- */ /* IGraph library. Copyright (C) 2006 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 igraph_vector_print(const igraph_vector_t *v) { long int i; for (i=0; i<igraph_vector_size(v); i++) { printf("%li ", (long int)VECTOR(*v)[i]); } printf("\n"); } int main() { igraph_t g; const igraph_vector_t v=IGRAPH_VECTOR_NULL; igraph_real_t edges[] = { 0,1, 1,2, 2,2, 2,3, 2,4, 3,4 }; igraph_vector_t v2, v3; long int i; igraph_vit_t vit; igraph_vs_t vs; igraph_integer_t size; igraph_vector_view(&v, edges, sizeof(edges)/sizeof(igraph_real_t)); igraph_create(&g, &v, 0, IGRAPH_DIRECTED); /* Create iterator based on a vector (view) */ igraph_vector_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_size(&v2)) { return 2; } igraph_vit_destroy(&vit); igraph_vector_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("%li ", (long int) size); for (; !IGRAPH_VIT_END(vit); IGRAPH_VIT_NEXT(vit)) { printf("%li ", (long int) IGRAPH_VIT_GET(vit)); } printf("\n"); igraph_vit_destroy(&vit); igraph_vs_destroy(&vs); /* Clean up */ igraph_destroy(&g); return 0; }