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/* -*- mode: C -*- */
/*
IGraph library.
Copyright (C) 2010-2012 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>
#include <stdio.h>
#define FAIL(msg, error) do { printf(msg "\n") ; return error; } while (0)
int main(void) {
igraph_t graph;
igraph_vector_int_t sep;
igraph_bool_t result;
/* Simple star graph, remove the center */
igraph_star(&graph, 10, IGRAPH_STAR_UNDIRECTED, 0);
igraph_is_separator(&graph, igraph_vss_1(0), &result);
if (!result) {
FAIL("Center of star graph failed.", 1);
}
/* Same graph, but another vertex */
igraph_is_separator(&graph, igraph_vss_1(6), &result);
if (result) {
FAIL("Non-center of star graph failed.", 2);
}
/* Same graph, all vertices but the center */
igraph_is_separator(&graph, igraph_vss_range(1, 10), &result);
if (result) {
FAIL("All non-central vertices of star graph failed.", 5);
}
igraph_destroy(&graph);
/* Same graph, all vertices */
igraph_is_separator(&graph, igraph_vss_range(0, 10), &result);
if (result) {
FAIL("All vertices of star graph failed.", 6);
}
igraph_destroy(&graph);
/* Karate club */
igraph_famous(&graph, "zachary");
igraph_vector_int_init(&sep, 0);
igraph_vector_int_push_back(&sep, 32);
igraph_vector_int_push_back(&sep, 33);
igraph_is_separator(&graph, igraph_vss_vector(&sep), &result);
if (!result) {
FAIL("Karate network (32,33) failed", 3);
}
igraph_vector_int_resize(&sep, 5);
VECTOR(sep)[0] = 8;
VECTOR(sep)[1] = 9;
VECTOR(sep)[2] = 19;
VECTOR(sep)[3] = 30;
VECTOR(sep)[4] = 31;
igraph_is_separator(&graph, igraph_vss_vector(&sep), &result);
if (result) {
FAIL("Karate network (8,9,19,30,31) failed", 4);
}
igraph_destroy(&graph);
igraph_vector_int_destroy(&sep);
return 0;
}
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