f120dd3206
* NEWS: Mention the change. * src/: Rename as ... * spot/: ... this, adjust all headers to include <spot/...> instead of "...", and adjust all Makefile.am to search headers from the top-level directory. * HACKING: Add conventions about #include. * spot/sanity/style.test: Add a few more grep to catch cases that do not follow these conventions. * .gitignore, Makefile.am, README, bench/stutter/Makefile.am, bench/stutter/stutter_invariance_formulas.cc, bench/stutter/stutter_invariance_randomgraph.cc, configure.ac, debian/rules, doc/Doxyfile.in, doc/Makefile.am, doc/org/.dir-locals.el.in, doc/org/g++wrap.in, doc/org/init.el.in, doc/org/tut01.org, doc/org/tut02.org, doc/org/tut03.org, doc/org/tut10.org, doc/org/tut20.org, doc/org/tut21.org, doc/org/tut22.org, doc/org/tut30.org, iface/ltsmin/Makefile.am, iface/ltsmin/kripke.test, iface/ltsmin/ltsmin.cc, iface/ltsmin/ltsmin.hh, iface/ltsmin/modelcheck.cc, wrap/python/Makefile.am, wrap/python/ajax/spotcgi.in, wrap/python/spot_impl.i, wrap/python/tests/ltl2tgba.py, wrap/python/tests/randgen.py, wrap/python/tests/run.in: Adjust.
53 lines
1.8 KiB
C++
53 lines
1.8 KiB
C++
// -*- coding: utf-8 -*-
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// Copyright (C) 2014, 2015 Laboratoire de Recherche et
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// Développement de l'Epita (LRDE).
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//
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// This file is part of Spot, a model checking library.
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//
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// Spot is free software; you can redistribute it and/or modify it
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// under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 3 of the License, or
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// (at your option) any later version.
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//
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// Spot is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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// License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#pragma once
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#include <spot/twa/twagraph.hh>
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#include <vector>
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namespace spot
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{
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/// Check if two automata are isomorphic.
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class SPOT_API isomorphism_checker
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{
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public:
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isomorphism_checker(const const_twa_graph_ptr ref);
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/// \ingroup twa_misc
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/// \brief Check whether an automaton is isomorphic to the one passed to
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/// the constructor.
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///
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/// Two automata are considered isomorphic if there exists a bijection f
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/// between the states of a1 and the states of a2 such that for any pair of
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/// states (s1, s2) of a1, there is a transition from s1 to s2 with
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/// condition c and acceptance set A iff there is a transition with
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/// condition c and acceptance set A between f(s1) and f(s2) in a2.
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/// This can be done simply by checking if
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/// canonicalize(aut1) == canonicalize(aut2), but is_isomorphic can do some
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/// optimizations in some cases.
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bool
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is_isomorphic(const const_twa_graph_ptr aut);
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private:
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twa_graph_ptr ref_;
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bool ref_deterministic_ = false;
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unsigned nondet_states_ = 0;
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};
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}
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