Shocks.cc

/*
 * Copyright (C) 2003-2014 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/>.
 */

#include <cassert>
#include <cstdlib>
#include <iostream>

#include "Shocks.hh"

AbstractShocksStatement::AbstractShocksStatement(bool mshocks_arg,
                                                 const det_shocks_t &det_shocks_arg,
                                                 const SymbolTable &symbol_table_arg) :
  mshocks(mshocks_arg),
  det_shocks(det_shocks_arg),
  symbol_table(symbol_table_arg)
{
}

void
AbstractShocksStatement::writeDetShocks(ostream &output) const
{
  int exo_det_length = 0;

  for (det_shocks_t::const_iterator it = det_shocks.begin();
       it != det_shocks.end(); it++)
    {
      int id = symbol_table.getTypeSpecificID(it->first) + 1;
      bool exo_det = (symbol_table.getType(it->first) == eExogenousDet);
      int set_shocks_index = ((int) mshocks) + 2 * ((int) exo_det);

      for (size_t i = 0; i < it->second.size(); i++)
        {
          const int &period1 = it->second[i].period1;
          const int &period2 = it->second[i].period2;
          const expr_t value = it->second[i].value;

          if (period1 == period2)
            {
              output << "set_shocks(" << set_shocks_index << "," << period1
                     << ", " << id << ", ";
              value->writeOutput(output);
              output << ");" << endl;
            }
          else
            {
              output << "set_shocks(" << set_shocks_index << "," << period1
                     << ":" << period2 << ", " << id << ", ";
              value->writeOutput(output);
              output << ");" << endl;
            }

          if (exo_det && (period2 > exo_det_length))
            exo_det_length = period2;
        }