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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 "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;
}
void VoltageSignal::add_map()
{
if (!b_status) return;
if ( !p_cnode[0]->isGround )
{
p_A->setUse_b( p_cnode[0]->n(), p_cbranch[0]->n(), Map::et_constant, true );
p_A->setUse_c( p_cbranch[0]->n(), p_cnode[0]->n(), Map::et_constant, true );
}
if ( !p_cnode[1]->isGround )
{
p_A->setUse_b( p_cnode[1]->n(), p_cbranch[0]->n(), Map::et_constant, true );
p_A->setUse_c( p_cbranch[0]->n(), p_cnode[1]->n(), Map::et_constant, true );
}
}
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;
}
void VoltageSignal::time_step()
{
if (!b_status) return;
b_v( 0 ) = m_voltage*advance();
}
void VoltageSignal::updateCurrents()
{
if (!b_status) return;
m_cnodeI[1] = p_cbranch[0]->i;
m_cnodeI[0] = -m_cnodeI[1];
}
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