23722c031f
spot::contains(a, b) should test a⊇b. It was testing a⊆b instead. * NEWS: Mention the bug. * spot/twaalgos/contains.cc, spot/twaalgos/contains.hh: Fix the code and documentation. * tests/python/contains.ipynb: Adjust description and expected results. * python/spot/__init__.py: Also swap the argument of language_containment_checker.contains() * bin/autfilt.cc: Adjust usage.
60 lines
2.3 KiB
C++
60 lines
2.3 KiB
C++
// -*- coding: utf-8 -*-
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// Copyright (C) 2018 Laboratoire de Recherche et Développement de
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// l'Epita.
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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 <spot/tl/formula.hh>
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/// \defgroup containment Language containment checks
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/// \ingroup twa_algorithms
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namespace spot
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{
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/// \ingroup containment
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/// \brief Test if the language of \a right is included in that of \a left.
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///
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/// Both arguments can be either formulas or automata. Formulas
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/// will be converted into automata.
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///
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/// The inclusion check if performed by ensuring that the automaton
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/// associated to \a right does not intersect the automaton
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/// associated to the complement of \a left. It helps if \a left
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/// is a deterministic automaton or a formula (because in both cases
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/// complementation is easier).
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/// @{
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SPOT_API bool contains(const_twa_graph_ptr left, const_twa_graph_ptr right);
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SPOT_API bool contains(const_twa_graph_ptr left, formula right);
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SPOT_API bool contains(formula left, const_twa_graph_ptr right);
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SPOT_API bool contains(formula left, formula right);
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/// @}
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/// \ingroup containment
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/// \brief Test if the language of \a left is equivalent to that of \a right.
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///
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/// Both arguments can be either formulas or automata. Formulas
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/// will be converted into automata.
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/// @{
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SPOT_API bool are_equivalent(const_twa_graph_ptr left,
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const_twa_graph_ptr right);
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SPOT_API bool are_equivalent(const_twa_graph_ptr left, formula right);
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SPOT_API bool are_equivalent(formula left, const_twa_graph_ptr right);
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SPOT_API bool are_equivalent(formula left, formula right);
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/// @}
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}
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