ratexp.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_RATEXP_HH
#define DYN_MODULES_RATEXP_HH
 
#include <iostream>
#include <set>
#include <unordered_map>
#include <awali/dyn/core/ratexp.hh>
#include <awali/dyn/loading/handler.hh>
#include <awali/dyn/core/context_description.hh>
#include <awali/dyn/options/options.hh>
 
namespace awali {
  namespace dyn {
 
 
    ratexp_t aut_to_exp(automaton_t aut, options_t opts = {});
 
    namespace lift {
      automaton_t lift(automaton_t aut);
    }
 
    ratexp_t expand(ratexp_t exp);
 
    ratexp_t star_normal_form(ratexp_t exp);
 
    unsigned star_height(ratexp_t exp);
 
    bool is_valid(ratexp_t exp);
 
    weight_t constant_term(ratexp_t exp);
 
    ratexp_t ratexp_support(ratexp_t exp);
    
    ratexp_t ratexp_copy(ratexp_t exp);
 
   ratexp_t ratexp_characteristic(ratexp_t exp, std::string const& weightset);
    
    json_ast_t to_json_ast(ratexp_t exp, 
                            json_ast_t extra_metadata = json_ast::empty());
 
    namespace internal {
      std::ostream& json(ratexp_t aut, std::ostream& out, 
                         json_ast_t extra_metadata = json_ast::empty());
    }
 
  }
}//end of ns awali::dyn
 
#endif