conversions.hpp

/*********************************************************************
 *
 * Linear Arrangement Library - A library that implements a collection
 * algorithms for linear arrangments of graphs.
 *
 * Copyright (C) 2019 - 2023
 *
 * This file is part of Linear Arrangement Library. The full code is available
 * at:
 *      https://github.com/LAL-project/linear-arrangement-library.git
 *
 * Linear Arrangement Library is free software: you can redistribute it
 * and/or modify it under the terms of the GNU Affero General Public License
 * as published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * Linear Arrangement Library 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with Linear Arrangement Library.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Contact:
 *
 *     Lluís Alemany Puig (lalemany@cs.upc.edu)
 *         LARCA (Laboratory for Relational Algorithmics, Complexity and Learning)
 *         CQL (Complexity and Quantitative Linguistics Lab)
 *         Jordi Girona St 1-3, Campus Nord UPC, 08034 Barcelona.   CATALONIA, SPAIN
 *         Webpage: https://cqllab.upc.edu/people/lalemany/
 *
 *     Ramon Ferrer i Cancho (rferrericancho@cs.upc.edu)
 *         LARCA (Laboratory for Relational Algorithmics, Complexity and Learning)
 *         CQL (Complexity and Quantitative Linguistics Lab)
 *         Office S124, Omega building
 *         Jordi Girona St 1-3, Campus Nord UPC, 08034 Barcelona.   CATALONIA, SPAIN
 *         Webpage: https://cqllab.upc.edu/people/rferrericancho/
 *
 ********************************************************************/
 
#pragma once
 
// C++ includes
#include <algorithm>
#include <vector>
 
// lal includes
#include <lal/graphs/undirected_graph.hpp>
#include <lal/graphs/directed_graph.hpp>
#include <lal/graphs/free_tree.hpp>
#include <lal/graphs/rooted_tree.hpp>
 
namespace lal {
namespace graphs {
 
// -----------------------------------------------------------------------------
// head vector -> tree
 
std::pair<free_tree,node> from_head_vector_to_free_tree
(const head_vector& hv, bool normalise = true, bool check = true)
noexcept;
 
rooted_tree from_head_vector_to_rooted_tree
(const head_vector& hv, bool normalise = true, bool check = true)
noexcept;
 
// -----------------------------------------------------------------------------
// edge list -> graph
 
rooted_tree from_edge_list_to_rooted_tree
(const std::vector<edge>& edge_list, bool normalise = true, bool check = true)
noexcept;
 
free_tree from_edge_list_to_free_tree
(const std::vector<edge>& edge_list, bool normalise = true, bool check = true)
noexcept;
 
directed_graph from_edge_list_to_directed_graph
(const std::vector<edge>& edge_list, bool normalise = true, bool check = true)
noexcept;
 
undirected_graph from_edge_list_to_undirected_graph
(const std::vector<edge>& edge_list, bool normalise = true, bool check = true)
noexcept;
 
} // -- namespace graphs
} // -- namespace lal