/* igraph library. Copyright (C) 2009-2025 The igraph development team 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, see . */ #ifndef IGRAPH_CONSTRUCTORS_H #define IGRAPH_CONSTRUCTORS_H #include "igraph_decls.h" #include "igraph_constants.h" #include "igraph_error.h" #include "igraph_types.h" #include "igraph_matrix.h" #include "igraph_datatype.h" #include "igraph_graphicality.h" #include "igraph_sparsemat.h" IGRAPH_BEGIN_C_DECLS /* -------------------------------------------------- */ /* Constructors, deterministic */ /* -------------------------------------------------- */ IGRAPH_EXPORT igraph_error_t igraph_create(igraph_t *graph, const igraph_vector_int_t *edges, igraph_int_t n, igraph_bool_t directed); IGRAPH_EXPORT igraph_error_t igraph_small(igraph_t *graph, igraph_int_t n, igraph_bool_t directed, int first, ...); IGRAPH_EXPORT igraph_error_t igraph_adjacency( igraph_t *graph, const igraph_matrix_t *adjmatrix, igraph_adjacency_t mode, igraph_loops_t loops); IGRAPH_EXPORT igraph_error_t igraph_weighted_adjacency( igraph_t *graph, const igraph_matrix_t *adjmatrix, igraph_adjacency_t mode, igraph_vector_t *weights, igraph_loops_t loops); IGRAPH_EXPORT igraph_error_t igraph_sparse_adjacency(igraph_t *graph, igraph_sparsemat_t *adjmatrix, igraph_adjacency_t mode, igraph_loops_t loops); IGRAPH_EXPORT igraph_error_t igraph_sparse_weighted_adjacency(igraph_t *graph, igraph_sparsemat_t *adjmatrix, igraph_adjacency_t mode, igraph_vector_t *weights, igraph_loops_t loops); IGRAPH_EXPORT igraph_error_t igraph_star(igraph_t *graph, igraph_int_t n, igraph_star_mode_t mode, igraph_int_t center); IGRAPH_EXPORT igraph_error_t igraph_wheel(igraph_t *graph, igraph_int_t n, igraph_wheel_mode_t mode, igraph_int_t center); IGRAPH_EXPORT igraph_error_t igraph_hypercube(igraph_t *graph, igraph_int_t n, igraph_bool_t directed); IGRAPH_EXPORT igraph_error_t igraph_square_lattice(igraph_t *graph, const igraph_vector_int_t *dimvector, igraph_int_t nei, igraph_bool_t directed, igraph_bool_t mutual, const igraph_vector_bool_t *circular); IGRAPH_EXPORT igraph_error_t igraph_ring(igraph_t *graph, igraph_int_t n, igraph_bool_t directed, igraph_bool_t mutual, igraph_bool_t circular); IGRAPH_EXPORT igraph_error_t igraph_path_graph( igraph_t *graph, igraph_int_t n, igraph_bool_t directed, igraph_bool_t mutual); IGRAPH_EXPORT igraph_error_t igraph_cycle_graph( igraph_t *graph, igraph_int_t n, igraph_bool_t directed, igraph_bool_t mutual); IGRAPH_EXPORT igraph_error_t igraph_kary_tree(igraph_t *graph, igraph_int_t n, igraph_int_t children, igraph_tree_mode_t type); IGRAPH_EXPORT igraph_error_t igraph_symmetric_tree(igraph_t *graph, const igraph_vector_int_t *branches, igraph_tree_mode_t type); IGRAPH_EXPORT igraph_error_t igraph_regular_tree(igraph_t *graph, igraph_int_t h, igraph_int_t k, igraph_tree_mode_t type); IGRAPH_EXPORT igraph_error_t igraph_tree_from_parent_vector(igraph_t *graph, const igraph_vector_int_t *parents, igraph_tree_mode_t mode); IGRAPH_EXPORT igraph_error_t igraph_from_prufer(igraph_t *graph, const igraph_vector_int_t *prufer); IGRAPH_EXPORT igraph_error_t igraph_full(igraph_t *graph, igraph_int_t n, igraph_bool_t directed, igraph_bool_t loops); IGRAPH_EXPORT igraph_error_t igraph_full_multipartite(igraph_t *graph, igraph_vector_int_t *types, const igraph_vector_int_t *n, igraph_bool_t directed, igraph_neimode_t mode); IGRAPH_EXPORT igraph_error_t igraph_turan(igraph_t *graph, igraph_vector_int_t *types, igraph_int_t n, igraph_int_t r); IGRAPH_EXPORT igraph_error_t igraph_full_citation(igraph_t *graph, igraph_int_t n, igraph_bool_t directed); IGRAPH_EXPORT igraph_error_t igraph_atlas(igraph_t *graph, igraph_int_t number); IGRAPH_EXPORT igraph_error_t igraph_extended_chordal_ring(igraph_t *graph, igraph_int_t nodes, const igraph_matrix_int_t *W, igraph_bool_t directed); IGRAPH_EXPORT igraph_error_t igraph_linegraph(const igraph_t *graph, igraph_t *linegraph); IGRAPH_EXPORT igraph_error_t igraph_de_bruijn(igraph_t *graph, igraph_int_t m, igraph_int_t n); IGRAPH_EXPORT igraph_error_t igraph_circulant(igraph_t *graph, igraph_int_t n, const igraph_vector_int_t *l, igraph_bool_t directed); IGRAPH_EXPORT igraph_error_t igraph_generalized_petersen(igraph_t *graph, igraph_int_t n, igraph_int_t k); IGRAPH_EXPORT igraph_error_t igraph_kautz(igraph_t *graph, igraph_int_t m, igraph_int_t n); IGRAPH_EXPORT igraph_error_t igraph_famous(igraph_t *graph, const char *name); IGRAPH_EXPORT igraph_error_t igraph_lcf(igraph_t *graph, igraph_int_t n, const igraph_vector_int_t *shifts, igraph_int_t repeats); IGRAPH_EXPORT igraph_error_t igraph_lcf_small(igraph_t *graph, igraph_int_t n, ...); IGRAPH_EXPORT igraph_error_t igraph_realize_degree_sequence(igraph_t *graph, const igraph_vector_int_t *outdeg, const igraph_vector_int_t *indeg, igraph_edge_type_sw_t allowed_edge_types, igraph_realize_degseq_t method); IGRAPH_EXPORT igraph_error_t igraph_triangular_lattice(igraph_t *graph, const igraph_vector_int_t *dims, igraph_bool_t directed, igraph_bool_t mutual); IGRAPH_EXPORT igraph_error_t igraph_hexagonal_lattice(igraph_t *graph, const igraph_vector_int_t *dims, igraph_bool_t directed, igraph_bool_t mutual); IGRAPH_EXPORT igraph_error_t igraph_realize_bipartite_degree_sequence(igraph_t *graph, const igraph_vector_int_t *deg1, const igraph_vector_int_t *deg2, igraph_edge_type_sw_t allowed_edge_types, igraph_realize_degseq_t method); IGRAPH_EXPERIMENTAL IGRAPH_EXPORT igraph_error_t igraph_mycielski_graph(igraph_t *graph, igraph_int_t k); IGRAPH_END_C_DECLS #endif