spot 2.3.3

- Main Page
- Related Pages
- Modules
- Classes
- Files

- File List

All Classes Files Functions Variables Typedefs Enumerations Enumerator Friends Modules Pages
alternation.hh
1 // -*- coding: utf-8 -*-
2 // Copyright (C) 2016 Laboratoire de Recherche et Développement de
3 // l'Epita (LRDE).
4 //
5 // This file is part of Spot, a model checking library.
6 //
7 // Spot is free software; you can redistribute it and/or modify it
8 // under the terms of the GNU General Public License as published by
9 // the Free Software Foundation; either version 3 of the License, or
10 // (at your option) any later version.
11 //
12 // Spot is distributed in the hope that it will be useful, but WITHOUT
13 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14 // or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
15 // License for more details.
16 //
17 // You should have received a copy of the GNU General Public License
18 // along with this program. If not, see <http://www.gnu.org/licenses/>.
19
20 #pragma once
21
22 #include <spot/twa/twagraph.hh>
23 #include <utility>
24
25 namespace spot
26 {
45 class SPOT_API outedge_combiner
46 {
47 private:
48 const twa_graph_ptr& aut_;
49 std::map<unsigned, int> state_to_var;
50 std::map<int, unsigned> var_to_state;
51 bdd vars_;
52 public:
53 outedge_combiner(const twa_graph_ptr& aut);
54 ~outedge_combiner();
55 bdd operator()(unsigned st);
56 void new_dests(unsigned st, bdd out) const;
57 };
58
68 template<class I>
69 SPOT_API
70 unsigned states_and(const twa_graph_ptr& aut, I begin, I end)
71 {
72 if (begin == end)
73 throw std::runtime_error
74 ("state_and() expects an non-empty list of states");
75 outedge_combiner combiner(aut);
76 bdd combination = bddtrue;
77 while (begin != end)
78 combination &= combiner(*begin++);
79 unsigned new_s = aut->new_state();
80 combiner.new_dests(new_s, combination);
81 return new_s;
82 }
83
84 template<class T>
85 SPOT_API
86 unsigned states_and(const twa_graph_ptr& aut,
87 const std::initializer_list<T>& il)
88 {
89 return states_and(aut, il.begin(), il.end());
90 }
92
100 SPOT_API
101 twa_graph_ptr remove_alternation(const const_twa_graph_ptr& aut,
102 bool named_states = false);
103 }
spot
Definition: graph.hh:33
spot::outedge_combiner
Helper class combine outgoing edges in alternating automata.
Definition: alternation.hh:45

Please direct any question, comment, or bug report to the Spot mailing list at spot@lrde.epita.fr.