// Rascal, the Advanced Scientific CALculator
// Copyright (C) 2001, Sebastian Ritterbusch (Rascal@Ritterbusch.de)
//
// This program 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 2
// 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 detauls.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//

#ifndef VALUETAYLOR_HPP_INCLUDED
#define VALUETAYLOR_HPP_INCLUDED

#include <string>

using std::string;

class value;
#include "mtaylor.hpp"

typedef mtaylor<value>  valuetaylor;
string output(const valuetaylor &a);
valuetaylor matrixtotaylor(const valuematrix &a);

value evaluate(const symrec *,const value &);

value compute_derivative(const symrec *);

class dsymrec
{
   private:
      int            iDiff;
      symrecpointer  iSymrec;
   
   public:
      dsymrec(symrecpointer aSymrec,int aDiff=1)
         : iSymrec(aSymrec), iDiff(aDiff)
      {}

      friend dsymrec ddsymrec(const dsymrec & a) 
      { 
         return dsymrec(a.iSymrec,a.iDiff+1);
      }

      value eval(const value &) const;
      
      friend string output(const dsymrec &);
};

#endif