#include int main() { igraph_t g; igraph_vector_t outdeg, indeg, vec; igraph_bool_t is_simple; /* Set random seed for reproducibility */ igraph_rng_seed(igraph_rng_default(), 42); igraph_vector_init_real(&outdeg, 10, 3.0, 3.0, 3.0, 3.0, 3.0, 3.0, 3.0, 3.0, 3.0, 3.0); igraph_vector_init_real(&indeg, 10, 4.0, 4.0, 2.0, 2.0, 4.0, 4.0, 2.0, 2.0, 3.0, 3.0); igraph_vector_init(&vec, 0); /* checking the simple method, undirected graphs */ igraph_degree_sequence_game(&g, &outdeg, 0, IGRAPH_DEGSEQ_SIMPLE); if (igraph_is_directed(&g) || igraph_vcount(&g) != 10) { return 1; } if (igraph_degree(&g, &vec, igraph_vss_all(), IGRAPH_OUT, 1)) { return 2; } igraph_vector_print(&vec); igraph_destroy(&g); /* checking the Viger-Latapy method, undirected graphs */ igraph_degree_sequence_game(&g, &outdeg, 0, IGRAPH_DEGSEQ_VL); if (igraph_is_directed(&g) || igraph_vcount(&g) != 10) { return 3; } if (igraph_is_simple(&g, &is_simple) || !is_simple) { return 4; } if (igraph_degree(&g, &vec, igraph_vss_all(), IGRAPH_OUT, 0)) { return 5; } igraph_vector_print(&vec); igraph_destroy(&g); /* checking the simple method, directed graphs */ igraph_degree_sequence_game(&g, &outdeg, &indeg, IGRAPH_DEGSEQ_SIMPLE); if (!igraph_is_directed(&g) || igraph_vcount(&g) != 10) { return 6; } if (igraph_degree(&g, &vec, igraph_vss_all(), IGRAPH_OUT, 1)) { return 7; } igraph_vector_print(&vec); if (igraph_degree(&g, &vec, igraph_vss_all(), IGRAPH_IN, 1)) { return 8; } igraph_vector_print(&vec); igraph_destroy(&g); /* checking the no multiple edges method, undirected graphs */ igraph_degree_sequence_game(&g, &outdeg, 0, IGRAPH_DEGSEQ_SIMPLE_NO_MULTIPLE); if (igraph_is_directed(&g) || igraph_vcount(&g) != 10) { return 9; } if (igraph_is_simple(&g, &is_simple) || !is_simple) { return 10; } if (igraph_degree(&g, &vec, igraph_vss_all(), IGRAPH_OUT, 1)) { return 11; } igraph_vector_print(&vec); igraph_destroy(&g); /* checking the no multiple edges method, directed graphs */ igraph_degree_sequence_game(&g, &outdeg, &indeg, IGRAPH_DEGSEQ_SIMPLE_NO_MULTIPLE); if (!igraph_is_directed(&g) || igraph_vcount(&g) != 10) { return 12; } if (igraph_is_simple(&g, &is_simple) || !is_simple) { return 13; } if (igraph_degree(&g, &vec, igraph_vss_all(), IGRAPH_OUT, 1)) { return 14; } igraph_vector_print(&vec); if (igraph_degree(&g, &vec, igraph_vss_all(), IGRAPH_IN, 1)) { return 15; } igraph_vector_print(&vec); igraph_destroy(&g); igraph_vector_destroy(&vec); igraph_vector_destroy(&outdeg); igraph_vector_destroy(&indeg); return 0; }