Abdelrahman Said
107 lines
4.2 KiB
C
107 lines
4.2 KiB
C
/*
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igraph library.
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Copyright (C) 2024 The igraph development team <igraph@igraph.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <igraph.h>
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#include "test_utilities.h"
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#define CHECK_PRINT(expr) \
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do { \
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igraph_error_t err = expr; \
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if (err != IGRAPH_SUCCESS) { \
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fprintf(stderr, "FAILED on the following graph at line %d:\n", __LINE__); \
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fprintf(stderr, "directed: %d, vcount: %d, ecount: %d\n", \
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(int) igraph_is_directed(&g), (int) igraph_vcount(&g), (int) igraph_ecount(&g)); \
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igraph_write_graph_edgelist(&g, stderr); \
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abort(); \
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} \
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} while (0)
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int main(void) {
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igraph_vector_t vec;
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igraph_real_t val;
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igraph_rng_seed(igraph_rng_default(), 987);
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igraph_set_warning_handler(&igraph_warning_handler_ignore);
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igraph_set_error_handler(&igraph_error_handler_printignore);
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igraph_vector_init(&vec, 0);
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for (igraph_int_t i=0; i < 1252; i++) {
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igraph_t g;
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igraph_atlas(&g, i);
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CHECK_PRINT(igraph_eigenvector_centrality(&g, &vec, &val, IGRAPH_ALL, NULL, NULL));
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CHECK_PRINT(igraph_hub_and_authority_scores(&g, &vec, NULL, &val, NULL, NULL));
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igraph_to_directed(&g, IGRAPH_TO_DIRECTED_RANDOM);
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CHECK_PRINT(igraph_eigenvector_centrality(&g, &vec, &val, IGRAPH_OUT, NULL, NULL));
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CHECK_PRINT(igraph_eigenvector_centrality(&g, &vec, &val, IGRAPH_IN, NULL, NULL));
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CHECK_PRINT(igraph_hub_and_authority_scores(&g, &vec, NULL, &val, NULL, NULL));
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CHECK_PRINT(igraph_pagerank(&g, IGRAPH_PAGERANK_ALGO_ARPACK, &vec, &val, igraph_vss_all(), true, 0.85, NULL, NULL));
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CHECK_PRINT(igraph_pagerank(&g, IGRAPH_PAGERANK_ALGO_ARPACK, &vec, &val, igraph_vss_all(), true, 0.99, NULL, NULL));
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igraph_destroy(&g);
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}
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for (igraph_int_t i=3; i < 100; i++) {
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igraph_t g;
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igraph_ring(&g, i, true, false, true);
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CHECK_PRINT(igraph_eigenvector_centrality(&g, &vec, NULL, IGRAPH_OUT, NULL, NULL));
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igraph_destroy(&g);
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}
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{
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// A <--> C, D <--> E, B
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igraph_t g;
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igraph_small(&g, 5, true,
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0,2, 2,0, 3,4, 4,2,
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-1);
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CHECK_PRINT(igraph_eigenvector_centrality(&g, &vec, &val, IGRAPH_OUT, NULL, NULL));
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CHECK_PRINT(igraph_eigenvector_centrality(&g, &vec, &val, IGRAPH_IN, NULL, NULL));
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CHECK_PRINT(igraph_hub_and_authority_scores(&g, &vec, NULL, &val, NULL, NULL));
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CHECK_PRINT(igraph_pagerank(&g, IGRAPH_PAGERANK_ALGO_ARPACK, &vec, &val, igraph_vss_all(), true, 0.85, NULL, NULL));
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CHECK_PRINT(igraph_pagerank(&g, IGRAPH_PAGERANK_ALGO_ARPACK, &vec, &val, igraph_vss_all(), true, 0.99, NULL, NULL));
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igraph_destroy(&g);
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}
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for (igraph_int_t n=4; n <= 7; n++) {
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for (igraph_int_t i=0; i < 100; i++) {
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igraph_t g;
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igraph_erdos_renyi_game_gnp(&g, n, 0.5, IGRAPH_DIRECTED, IGRAPH_LOOPS_SW, IGRAPH_EDGE_UNLABELED);
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CHECK_PRINT(igraph_eigenvector_centrality(&g, &vec, &val, IGRAPH_OUT, NULL, NULL));
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CHECK_PRINT(igraph_eigenvector_centrality(&g, &vec, &val, IGRAPH_IN, NULL, NULL));
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CHECK_PRINT(igraph_hub_and_authority_scores(&g, &vec, NULL, &val, NULL, NULL));
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CHECK_PRINT(igraph_pagerank(&g, IGRAPH_PAGERANK_ALGO_ARPACK, &vec, &val, igraph_vss_all(), true, 0.85, NULL, NULL));
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CHECK_PRINT(igraph_pagerank(&g, IGRAPH_PAGERANK_ALGO_ARPACK, &vec, &val, igraph_vss_all(), true, 0.99, NULL, NULL));
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igraph_destroy(&g);
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}
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}
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igraph_vector_destroy(&vec);
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VERIFY_FINALLY_STACK();
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return 0;
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}
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