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65 lines
1.4 KiB
65 lines
1.4 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 "currentsource.h"
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#include "elementset.h"
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#include "matrix.h"
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CurrentSource::CurrentSource( const double current )
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: Element::Element()
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{
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m_i = current;
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m_numCNodes = 2;
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}
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CurrentSource::~CurrentSource()
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{
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}
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void CurrentSource::setCurrent( const double i )
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{
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if ( i == m_i ) return;
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if (p_eSet)
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p_eSet->setCacheInvalidated();
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// Remove the old current
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m_i = -m_i;
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add_initial_dc();
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m_i = i;
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add_initial_dc();
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}
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void CurrentSource::add_map()
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{
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// We don't need a map for current source :-)
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}
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void CurrentSource::add_initial_dc()
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{
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if (!b_status)
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return;
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b_i( 0 ) -= m_i;
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b_i( 1 ) += m_i;
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}
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void CurrentSource::updateCurrents()
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{
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m_cnodeI[0] = -m_i;
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m_cnodeI[1] = m_i;
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}
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