1 /*
2    IGraph library.
3    Copyright (C) 2021  The igraph development team <igraph@igraph.org>
4 
5    This program is free software; you can redistribute it and/or modify
6    it under the terms of the GNU General Public License as published by
7    the Free Software Foundation; either version 2 of the License, or
8    (at your option) any later version.
9 
10    This program is distributed in the hope that it will be useful,
11    but WITHOUT ANY WARRANTY; without even the implied warranty of
12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13    GNU General Public License for more details.
14 
15    You should have received a copy of the GNU General Public License
16    along with this program.  If not, see <https://www.gnu.org/licenses/>.
17 */
18 
19 #include <igraph.h>
20 #include "test_utilities.inc"
21 
main()22 int main() {
23     igraph_vector_t data, result;
24 
25     igraph_set_error_handler(igraph_error_handler_ignore);
26     igraph_vector_init_int(&result, 0);
27 
28     printf("No values, binwidth 0 should fail.\n");
29     igraph_vector_init_int(&data, 0);
30     IGRAPH_ASSERT(igraph_running_mean(&data, &result, /*binwidth*/ 0) == IGRAPH_EINVAL);
31     igraph_vector_destroy(&data);
32 
33     printf("No values, binwidth 1 should fail.\n");
34     igraph_vector_init_int(&data, 0);
35     IGRAPH_ASSERT(igraph_running_mean(&data, &result, /*binwidth*/ 1) == IGRAPH_EINVAL);
36     igraph_vector_destroy(&data);
37 
38     printf("One value, binwidth 1:\n");
39     igraph_vector_init_int(&data, 1, 1);
40     IGRAPH_ASSERT(igraph_running_mean(&data, &result, /*binwidth*/ 1) == IGRAPH_SUCCESS);
41     print_vector(&result);
42     igraph_vector_destroy(&data);
43 
44     printf("1, 2, 3, 4, 5, binwidth 1:\n");
45     igraph_vector_init_int(&data, 5, 1, 2, 3, 4, 5);
46     IGRAPH_ASSERT(igraph_running_mean(&data, &result, /*binwidth*/ 1) == IGRAPH_SUCCESS);
47     print_vector(&result);
48     igraph_vector_destroy(&data);
49 
50     printf("1, 2, 3, 4, 5, binwidth 2:\n");
51     igraph_vector_init_int(&data, 5, 1, 2, 3, 4, 5);
52     IGRAPH_ASSERT(igraph_running_mean(&data, &result, /*binwidth*/ 2) == IGRAPH_SUCCESS);
53     print_vector(&result);
54     igraph_vector_destroy(&data);
55 
56     igraph_vector_destroy(&result);
57 
58     VERIFY_FINALLY_STACK();
59     return 0;
60 }
61