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