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diff --git a/src/electronics/simulation/voltagesignal.h b/src/electronics/simulation/voltagesignal.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 VOLTAGESIGNAL_H
+#define VOLTAGESIGNAL_H
+
+#include "reactive.h"
+#include "elementsignal.h"
+
+/**
+@short VoltageSignal
+@author David saxton
+*/
+class VoltageSignal : public Reactive, public ElementSignal
+{
+public:
+ VoltageSignal( const double delta, const double voltage );
+ virtual ~VoltageSignal();
+
+ virtual Element::Type type() const { return Element_VoltageSignal; }
+ void setVoltage( const double voltage );
+ double voltage() { return m_voltage; }
+ virtual void time_step();
+ virtual void add_map();
+
+protected:
+ virtual void updateCurrents();
+ virtual void add_initial_dc();
+
+private:
+ double m_voltage; // Voltage
+};
+
+#endif