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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 "element.h"
#include "elementset.h"
#include <assert.h>
#include <kdebug.h>
Element::Element()
{
b_status = false;
p_A = 0l;
p_eSet = 0l;
p_b = 0l;
b_componentDeleted = false;
b_eSetDeleted = true;
for ( int i=0; i<8; i++ )
p_cnode[i] = 0l;
resetCurrents();
for ( int i=0; i<4; i++ )
p_cbranch[i] = 0l;
m_numCBranches = 0;
m_numCNodes = 0;
}
Element::~ Element()
{
}
void Element::resetCurrents()
{
for ( int i=0; i<8; i++ )
m_cnodeI[i] = 0.0;
}
void Element::setElementSet( ElementSet *c )
{
assert(!b_componentDeleted);
assert(!p_eSet);
if (!c) return elementSetDeleted();
b_eSetDeleted = false;
p_eSet = c;
p_A = p_eSet->matrix();
p_b = p_eSet->b();
updateStatus();
}
void Element::componentDeleted()
{
// assert(!b_componentDeleted);
if (b_componentDeleted)
{
// Something strange happened here....
}
if (b_eSetDeleted) return delete this;
b_componentDeleted = true;
b_status = false;
// kdDebug() << "Element::componentDeleted(): Setting b_status to false, this="<<this<<endl;
p_eSet = 0l;
p_A = 0l;
p_b = 0l;
setCNodes();
setCBranches();
}
void Element::elementSetDeleted()
{
// assert(!b_eSetDeleted);
if (b_eSetDeleted)
{
// Something strange happened here....
}
if (b_componentDeleted) return delete this;
b_eSetDeleted = true;
b_status = false;
// kdDebug() << "Element::elementSetDeleted(): Setting b_status to false, this="<<this<<endl;
p_eSet = 0l;
p_A = 0l;
p_b = 0l;
setCNodes();
setCBranches();
}
void Element::setCNodes( const int n0, const int n1, const int n2, const int n3 )
{
if ( !p_eSet )
{
// cerr << "Element::setCNodes: can't set nodes without circuit!"<<endl;
for ( int i=0; i<8; i++ )
p_cnode[i] = 0l;
return;
}
// MAX_CNODES-1 should match the last array index below.
assert( MAX_CNODES == 4 );
p_cnode[0] = (n0>-1)?p_eSet->cnodes()[n0]:(n0==-1?p_eSet->ground():0l);
p_cnode[1] = (n1>-1)?p_eSet->cnodes()[n1]:(n1==-1?p_eSet->ground():0l);
p_cnode[2] = (n2>-1)?p_eSet->cnodes()[n2]:(n2==-1?p_eSet->ground():0l);
p_cnode[3] = (n3>-1)?p_eSet->cnodes()[n3]:(n3==-1?p_eSet->ground():0l);
updateStatus();
}
void Element::setCBranches( const int b0, const int b1, const int b2, const int b3 )
{
if ( !p_eSet )
{
// cerr << "Element::setCBranches: can't set branches without circuit!"<<endl;
for ( int i=0; i<4; i++ ) p_cbranch[i] = 0l;
return;
}
p_cbranch[0] = (b0>-1)?p_eSet->cbranches()[b0]:0l;
p_cbranch[1] = (b1>-1)?p_eSet->cbranches()[b1]:0l;
p_cbranch[2] = (b2>-1)?p_eSet->cbranches()[b2]:0l;
p_cbranch[3] = (b3>-1)?p_eSet->cbranches()[b3]:0l;
updateStatus();
}
bool Element::updateStatus()
{
// First, set status to false if all nodes in use are ground
b_status = false;
for ( int i=0; i<m_numCNodes; i++ )
{
b_status |= p_cnode[i]?!p_cnode[i]->isGround:false;
}
// Set status to false if any of the nodes are not set
for ( int i=0; i<m_numCNodes; i++ )
{
if (!p_cnode[i]) b_status = false;
}
// Finally, set status to false if not all the required branches are set
for ( int i=0; i<m_numCBranches; i++ )
{
if (!p_cbranch[i]) b_status = false;
}
// Finally, check for various pointers
if ( !p_eSet || !p_A || !p_b ) b_status = false;
if (!b_status)
{
resetCurrents();
}
// And return the status :-)
// kdDebug() << "Element::updateStatus(): Setting b_status to "<<(b_status?"true":"false")<<" this="<<this<<endl;
return b_status;
}
double Element::cbranchCurrent( const int branch )
{
if ( !b_status || branch<0 || branch>=m_numCBranches ) return 0.;
return (*p_cbranch)[branch].i;
}
double Element::cnodeVoltage( const int node )
{
if ( !b_status || node<0 || node>=m_numCNodes ) return 0.;
return (*p_cnode)[node].v;
}
CNode::CNode()
{
m_n = 0;
v = 0.0;
isGround = false;
}
CBranch::CBranch()
{
m_n = 0;
i = 0.0;
}
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