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resistance.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 RESISTANCE_H
#define RESISTANCE_H

#include "element.h"

/**
@short Resistance
@author David saxton
*/
00020 class Resistance : public Element
{
public:
      Resistance( const double resistance );
      virtual ~Resistance();
      
00026       virtual Type type() const { return Element_Resistance; }
      
      void setConductance( const double g );
      void setResistance( const double r );
      
      double resistance() { return 1/m_g; }
      double conductance() { return m_g; }

protected:
      virtual void updateCurrents();
      virtual void add_initial_dc();
      
private:
      double m_g; // Conductance
};

#endif

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