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diff --git a/src/electronics/simulation/resistance.h b/src/electronics/simulation/resistance.h
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+++ b/src/electronics/simulation/resistance.h
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+/***************************************************************************
+ *   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
+*/
+class Resistance : public Element
+{
+public:
+	Resistance( const double resistance );
+	virtual ~Resistance();
+	
+	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; }
+	virtual void add_map();
+	
+protected:
+	virtual void updateCurrents();
+	virtual void add_initial_dc();
+	
+private:
+	double m_g; // Conductance
+};
+
+#endif