graph.hh

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// This file is part of Awali.
// Copyright 2016-2022 Sylvain Lombardy, Victor Marsault, Jacques Sakarovitch
//
// Awali is a 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.
//
// This program 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 DYN_MODULES_GRAPH_HH
#define DYN_MODULES_GRAPH_HH
 
#include <unordered_map>
#include <vector>
 
#include <awali/dyn/core/automaton.hh>
 
namespace awali {
  namespace dyn {
 
    struct scc_return_t {
      std::unordered_map<state_t, unsigned int> scc_of;
 
      std::vector<std::vector<state_t>> partition;
    };
 
    scc_return_t strongly_connected_components(automaton_t aut);
 
 
    automaton_t condensation (automaton_t aut);
 
    std::vector<state_t> scc_of(automaton_t aut, state_t s);
 
  }
}//end of ns awali::dyn
 
#endif