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SteadyStateModel.hh

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  • SteadyStateModel.hh 1.67 KiB
    /*
     * Copyright (C) 2010 Dynare Team
     *
     * This file is part of Dynare.
     *
     * Dynare 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.
     *
     * Dynare 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 Dynare.  If not, see <http://www.gnu.org/licenses/>.
     */
    
    #ifndef _STEADY_STATE_MODEL_HH
    #define _STEADY_STATE_MODEL_HH
    
    #include "DataTree.hh"
    
    class SteadyStateModel : public DataTree
    {
    private:
      //! Associates a symbol ID to an expression of the form "var = expr"
      map<int, NodeID> def_table;
      vector<int> recursive_order;
    
    public:
      class AlreadyDefinedException
      {
      public:
        const string &varname;
        AlreadyDefinedException(const string &varname_arg) : varname(varname_arg) {}
      };
      class UndefinedVariableException
      {
      public:
        const string &varname;
        UndefinedVariableException(const string &varname_arg) : varname(varname_arg) {}
      };
    
      SteadyStateModel(SymbolTable &symbol_table_arg, NumericalConstants &num_constants, ExternalFunctionsTable &external_functions_table_arg);
      //! Add an expression of the form "var = expr;"
      void addDefinition(int symb_id, NodeID expr) throw (UndefinedVariableException, AlreadyDefinedException);
      //! Write the steady state file
      void writeSteadyStateFile(const string &basename) const;
    };
    
    #endif