1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
|
/***************************************************************************
* Copyright (C) 2003-2004 by David Saxton *
* [email protected] *
* *
* 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;
}
|
