are_isomorphic.hh

// -*- coding: utf-8 -*-
// Copyright (C) by the Spot authors, see the AUTHORS file for details.
//
// 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/>.
 
#pragma once
 
#include <spot/twa/twagraph.hh>
#include <vector>
 
namespace spot
{
  class SPOT_API isomorphism_checker final
  {
  public:
    isomorphism_checker(const const_twa_graph_ptr ref);
 
    bool
    is_isomorphic(const const_twa_graph_ptr aut);
 
 
    static bool are_isomorphic(const const_twa_graph_ptr ref,
                               const const_twa_graph_ptr aut);
 
  private:
    bool is_isomorphic_(const const_twa_graph_ptr aut);
    twa_graph_ptr ref_;
    bool ref_deterministic_ = false;
    unsigned nondet_states_ = 0;
  };
}