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currentsignal.h

/***************************************************************************
 *   Copyright (C) 2003-2004 by David Saxton                               *
 *   david@bluehaze.org                                                    *
 *                                                                         *
 *   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.                                   *
 ***************************************************************************/

#ifndef CURRENTSIGNAL_H
#define CURRENTSIGNAL_H

#include "reactive.h"
#include "elementsignal.h"

/**
@short CurrentSignal
@author David saxton
*/
00021 class CurrentSignal : public Reactive, public ElementSignal
{
public:
      CurrentSignal(  const double delta, const double current );
      virtual ~CurrentSignal();
      
00027       virtual Element::Type type() const { return Element_CurrentSignal; }
      void setCurrent( const double current );
      double current() { return m_current; }
      virtual void time_step();
      virtual void add_map();
      
protected:
      virtual void updateCurrents();
      virtual void add_initial_dc();
      
private:
      double m_current; // Current
      double m_oldCurrent; // Old calculated current
      double m_newCurrent; // New calculated current
};

#endif

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