1 /* -*- mode: C -*- */
2 /*
3 IGraph library.
4 Copyright (C) 2013 Gabor Csardi <csardi.gabor@gmail.com>
5 334 Harvard st, Cambridge MA, 02139 USA
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
20 02110-1301 USA
21
22 */
23
24 #include <igraph.h>
25
26 #include "test_utilities.inc"
27
sort_cliques(igraph_vector_ptr_t * cliques)28 void sort_cliques(igraph_vector_ptr_t *cliques) {
29 int i, n = igraph_vector_ptr_size(cliques);
30 for (i = 0; i < n; i++) {
31 igraph_vector_t *v = VECTOR(*cliques)[i];
32 igraph_vector_sort(v);
33 }
34 igraph_vector_ptr_sort(cliques, igraph_vector_lex_cmp);
35 }
36
print_and_destroy(igraph_vector_ptr_t * cliques)37 int print_and_destroy(igraph_vector_ptr_t *cliques) {
38 int i, n = igraph_vector_ptr_size(cliques);
39 sort_cliques(cliques);
40 for (i = 0; i < n; i++) {
41 igraph_vector_t *v = VECTOR(*cliques)[i];
42 igraph_vector_print(v);
43 igraph_vector_destroy(v);
44 }
45 igraph_vector_ptr_destroy_all(cliques);
46 return 0;
47 }
48
main()49 int main() {
50 igraph_t graph;
51 igraph_vector_ptr_t cliques, cl1, cl2;
52 igraph_vector_int_t v1, v2;
53 igraph_integer_t n, n1, n2;
54
55 igraph_rng_seed(igraph_rng_default(), 42);
56 igraph_erdos_renyi_game(&graph, IGRAPH_ERDOS_RENYI_GNP,
57 /*n=*/ 100, /*p=*/ 0.5, /*directed=*/ 0,
58 /*loops=*/ 0);
59
60 igraph_vector_ptr_init(&cliques, 0);
61
62 igraph_maximal_cliques_subset(&graph, /*subset=*/ 0,
63 &cliques, &n, /*outfile=*/ 0,
64 /*min_size=*/ 9, /*max_size=*/ 0);
65
66 igraph_vector_int_init_seq(&v1, 0, 12);
67 igraph_vector_int_init_seq(&v2, 13, 99);
68 igraph_vector_ptr_init(&cl1, 0);
69 igraph_vector_ptr_init(&cl2, 0);
70 igraph_maximal_cliques_subset(&graph, &v1, &cl1, &n1, /*outfile=*/ 0,
71 /*min_size=*/ 9, /*max_size=*/ 0);
72 igraph_maximal_cliques_subset(&graph, &v2, &cl2, &n2, /*outfile=*/ 0,
73 /*min_size=*/ 9, /*max_size=*/ 0);
74
75 igraph_vector_int_destroy(&v1);
76 igraph_vector_int_destroy(&v2);
77
78 if (n1 + n2 != n) {
79 return 1;
80 }
81 if (n1 != igraph_vector_ptr_size(&cl1)) {
82 return 2;
83 }
84 if (n2 != igraph_vector_ptr_size(&cl2)) {
85 return 3;
86 }
87
88 print_and_destroy(&cliques);
89 printf("---\n");
90 print_and_destroy(&cl1);
91 printf("+\n");
92 print_and_destroy(&cl2);
93
94 igraph_destroy(&graph);
95
96 VERIFY_FINALLY_STACK();
97
98 return 0;
99 }
100