LAL: Linear Arrangement Library 21.07.01
A library focused on algorithms on linear arrangements of graphs.
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flux.hpp
1/*********************************************************************
2 *
3 * Linear Arrangement Library - A library that implements a collection
4 * algorithms for linear arrangments of graphs.
5 *
6 * Copyright (C) 2019 - 2021
7 *
8 * This file is part of Linear Arrangement Library. To see the full code
9 * visit the webpage:
10 * https://github.com/lluisalemanypuig/linear-arrangement-library.git
11 *
12 * Linear Arrangement Library is free software: you can redistribute it
13 * and/or modify it under the terms of the GNU Affero General Public License
14 * as published by the Free Software Foundation, either version 3 of the
15 * License, or (at your option) any later version.
16 *
17 * Linear Arrangement Library is distributed in the hope that it will be
18 * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU Affero General Public License for more details.
21 *
22 * You should have received a copy of the GNU Affero General Public License
23 * along with Linear Arrangement Library. If not, see <http://www.gnu.org/licenses/>.
24 *
25 * Contact:
26 *
27 * LluĂ­s Alemany Puig (lalemany@cs.upc.edu)
28 * LARCA (Laboratory for Relational Algorithmics, Complexity and Learning)
29 * CQL (Complexity and Quantitative Linguistics Lab)
30 * Jordi Girona St 1-3, Campus Nord UPC, 08034 Barcelona. CATALONIA, SPAIN
31 * Webpage: https://cqllab.upc.edu/people/lalemany/
32 *
33 * Ramon Ferrer i Cancho (rferrericancho@cs.upc.edu)
34 * LARCA (Laboratory for Relational Algorithmics, Complexity and Learning)
35 * CQL (Complexity and Quantitative Linguistics Lab)
36 * Office S124, Omega building
37 * Jordi Girona St 1-3, Campus Nord UPC, 08034 Barcelona. CATALONIA, SPAIN
38 * Webpage: https://cqllab.upc.edu/people/rferrericancho/
39 *
40 ********************************************************************/
41
42#pragma once
43
44// C++ includes
45#if defined DEBUG
46#include <cassert>
47#endif
48
49// lal includes
50#include <lal/definitions.hpp>
51#include <lal/linarr/dependency_flux.hpp>
52#include <lal/graphs/free_tree.hpp>
53#include <lal/graphs/rooted_tree.hpp>
54
55namespace lal {
56namespace linarr {
57
67std::vector<dependency_flux>
68compute_flux(const graphs::free_tree& t, const linear_arrangement& pi = {}) noexcept;
69
79std::vector<dependency_flux>
80compute_flux(const graphs::rooted_tree& t, const linear_arrangement& pi = {}) noexcept
81{
82#if defined DEBUG
83 assert(t.is_rooted_tree());
84#endif
85 return compute_flux(t.to_free_tree(), pi);
86}
87
88} // -- namespace linarr
89} // -- namespace lal
Free tree graph class.
Definition free_tree.hpp:59
Rooted tree graph class.
Definition rooted_tree.hpp:107
free_tree to_free_tree(bool norm=true, bool check=true) const noexcept
Converts this rooted tree into a free tree (see free_tree).
bool is_rooted_tree() const noexcept
Is this tree a valid rooted tree?
Definition rooted_tree.hpp:470
std::vector< dependency_flux > compute_flux(const graphs::free_tree &t, const linear_arrangement &pi={}) noexcept
Computes the flux of a dependency tree.
Main namespace of the library.
Definition definitions.hpp:48
std::vector< position > linear_arrangement
A linear arrangement of the nodes of a graph.
Definition definitions.hpp:72