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68 lines
1.8 KiB
68 lines
1.8 KiB
/***************************************************************************
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* Copyright (C) 2003-2004 by David Saxton *
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* david@bluehaze.org *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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***************************************************************************/
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#include "currentsignal.h"
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#include "element.h"
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#include "matrix.h"
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CurrentSignal::CurrentSignal( const double delta, const double current )
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: Reactive::Reactive(delta)
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{
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m_current = current;
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m_oldCurrent = m_newCurrent = 0.;
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m_numCNodes = 2;
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}
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CurrentSignal::~CurrentSignal()
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{
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}
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void CurrentSignal::setCurrent( const double i )
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{
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if ( m_oldCurrent != m_newCurrent ) add_initial_dc();
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m_newCurrent *= i/m_current; // Instead of calling step again, we can just "adjust" what the current should be
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m_current = i;
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add_initial_dc();
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}
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void CurrentSignal::add_map()
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{
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// We don't need a map for current signal :-)
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}
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void CurrentSignal::add_initial_dc()
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{
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if ( !b_status )
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return;
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if ( m_newCurrent == m_oldCurrent )
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return;
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b_i( 0 ) -= m_newCurrent-m_oldCurrent;
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b_i( 1 ) += m_newCurrent-m_oldCurrent;
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m_oldCurrent = m_newCurrent;
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}
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void CurrentSignal::updateCurrents()
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{
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m_cnodeI[1] = m_newCurrent;
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m_cnodeI[0] = -m_newCurrent;
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}
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void CurrentSignal::time_step()
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{
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add_initial_dc(); // Make sure our old and new are synced
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m_newCurrent = m_current*advance();
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add_initial_dc();
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}
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