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41 results

common_strings_in_cell_arrays.m

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  • Forked from Dynare / dynare
    Source project has a limited visibility.
    NumericalConstants.cc 1.78 KiB
    /*
     * Copyright (C) 2003-2011 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 <cstdlib>
    #include <cassert>
    #include <cerrno>
    #include <cmath>
    #include <iostream>
    
    #include "NumericalConstants.hh"
    
    int
    NumericalConstants::AddNonNegativeConstant(const string &iConst) throw (InvalidFloatingPointNumberException)
    {
      map<string, int>::const_iterator iter = numConstantsIndex.find(iConst);
    
      if (iter != numConstantsIndex.end())
        return iter->second;
    
      int id = (int) mNumericalConstants.size();
      mNumericalConstants.push_back(iConst);
      numConstantsIndex[iConst] = id;
    
      errno = 0;
      double val = strtod(iConst.c_str(), NULL);
    
      // We check that the number is valid (e.g. not like "1e-10000")
      if (errno != 0)
        throw InvalidFloatingPointNumberException(iConst);
    
      assert(val >= 0 || isnan(val)); // Check we have a positive constant or a NaN
      double_vals.push_back(val);
    
      return id;
    }
    
    string
    NumericalConstants::get(int ID) const
    {
      assert(ID >= 0 && ID < (int) mNumericalConstants.size());
      return mNumericalConstants[ID];
    }
    
    double
    NumericalConstants::getDouble(int ID) const
    {
      assert(ID >= 0 && ID < (int) double_vals.size());
      return (double_vals[ID]);
    }