// -*- coding: utf-8 -*-
// Copyright (C) 2013, 2014 Laboratoire de Recherche et Développement
// de l'Epita.
//
// This file is part of Spot, a model checking library.
//
// Spot is free software; you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 3 of the License, or
// (at your option) any later version.
//
// Spot is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
// or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
// License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

#ifndef SPOT_TGBAALGOS_COMPLETE_HH
# define SPOT_TGBAALGOS_COMPLETE_HH

#include "tgba/tgbagraph.hh"

namespace spot
{
  /// \brief Complete a tgba_digraph in place.
  ///
  /// If the tgba has no acceptance set, one will be added.  The
  /// returned value is the number of the sink state (it can be a new
  /// state added for completion, or an existing non-accepting state
  /// that has been reused as sink state because it had not outgoing
  /// transitions apart from self-loops.)
  SPOT_API unsigned tgba_complete_here(tgba_digraph_ptr aut);

  /// \brief Clone a tgba and complete it.
  ///
  /// If the tgba has no acceptance set, one will be added.
  SPOT_API tgba_digraph_ptr tgba_complete(const const_tgba_ptr& aut);
}

#endif // SPOT_TGBAALGOS_COMPLETE_HH