64 lines
2.3 KiB
C++
64 lines
2.3 KiB
C++
// -*- coding: utf-8 -*-
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// Copyright (C) 2017-2019 Laboratoire de Recherche et Developpement
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// 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/twaalgos/emptiness.hh>
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#include <spot/twaalgos/sccinfo.hh>
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namespace spot
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{
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/// \ingroup emptiness_check_algorithms
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/// \brief Emptiness check of an automaton, for any acceptance condition.
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///
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/// Currently only implemented for twa_graph automata, i.e., not automata
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/// constructed on-the-fly.
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///
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/// \cite baier.19.atva
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SPOT_API bool
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generic_emptiness_check(const const_twa_graph_ptr& aut);
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/// \ingroup emptiness_check_algorithms
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/// \brief Accepting run search in an automaton, for any acceptance condition.
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/// \return An accepting run over the automaton, or nullptr if the language is
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/// empty.
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///
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/// Currently only implemented for twa_graph automata, i.e., not automata
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/// constructed on-the-fly.
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SPOT_API twa_run_ptr
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generic_accepting_run(const const_twa_graph_ptr& aut);
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/// \ingroup emptiness_check_algorithms
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/// \brief Emptiness check of one SCC, for any acceptance condition.
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///
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/// \cite baier.19.atva
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SPOT_API bool
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generic_emptiness_check_for_scc(const scc_info& si, unsigned scc);
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/// \ingroup emptiness_check_algorithms
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/// \brief Emptiness check of one SCC, for any acceptance condition.
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///
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/// This version makes it possible to ignore the acceptance
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/// condition of the automaton, and use \a forced_acc.
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///
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/// \cite baier.19.atva
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SPOT_API bool
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generic_emptiness_check_for_scc(const scc_info& si, unsigned scc,
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const acc_cond& forced_acc);
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}
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