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/* -*- mode: C -*- */
/*
IGraph library.
Copyright (C) 2007-2012 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, g2;
igraph_bool_t iso;
// Franklin graph
igraph_lcf(&g, 12, 5, -5, 6, 0);
igraph_famous(&g2, "franklin");
igraph_isomorphic_vf2(&g, &g2,
/*vertex.color1=*/ 0, /*vertex.color2=*/ 0,
/*edge.color1=*/ 0, /*edge.color2=*/ 0,
&iso, 0, 0, 0, 0, 0);
if (!iso) {
printf("Failure: Franklin\n");
return 1;
}
igraph_destroy(&g);
igraph_destroy(&g2);
// [3, -2]^4, n=8
igraph_lcf(&g, 8, 3, -2, 4, 0);
if (igraph_ecount(&g) != 16) {
printf("Failure: [3, -2]^4, n=8\n");
return 1;
}
igraph_destroy(&g);
// [2, -2]^2, n=2
igraph_lcf(&g, 2, 2, -2, 2, 0);
if (igraph_ecount(&g) != 1) {
printf("Failure: [2, -2]^2, n=2\n");
return 1;
}
igraph_destroy(&g);
// [2]^2, n=2
igraph_lcf(&g, 2, 2, 2, 0);
if (igraph_ecount(&g) != 1) {
printf("Failure: [2]^2, n=2\n");
return 1;
}
igraph_destroy(&g);
// Regression test for bug #996
igraph_lcf(&g, 0, 0);
if (igraph_vcount(&g) != 0 || igraph_ecount(&g) != 0) {
printf("Failure: regression test for #996\n");
return 1;
}
igraph_destroy(&g);
return 0;
}
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