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voltagesignal.cpp

/***************************************************************************
 *   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.                                   *
 ***************************************************************************/

#include "matrix.h"
#include "voltagesignal.h"
#include "elementset.h"

VoltageSignal::VoltageSignal( const double delta, const double voltage )
      : Reactive::Reactive(delta)
{
      m_voltage = voltage;
      m_numCNodes = 2;
      m_numCBranches = 1;
}


VoltageSignal::~VoltageSignal()
{
}


void VoltageSignal::setVoltage( const double v )
{
      m_voltage = v;
}

00034 void VoltageSignal::add_initial_dc()
{
      if (!b_status)
            return;
      
      A_b( 0, 0 ) = -1;
      A_c( 0, 0 ) = -1;
      A_b( 1, 0 ) = 1;
      A_c( 0, 1 ) = 1;
}


00046 void VoltageSignal::time_step()
{
      if (!b_status) return;
      b_v( 0 ) =  m_voltage*advance(m_delta);
}


00053 void VoltageSignal::updateCurrents()
{
      if (!b_status) return;
      m_cnodeI[1] = p_cbranch[0]->i;
      m_cnodeI[0] = -m_cnodeI[1];
}



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