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parser.cc
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parser.cc
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// PARSER.CC Ver. 1.0
// Program to extract Nodal equations from Spice Netlist. Ed Chan
#include "parser.h"
using namespace std;
double stripString(char* stringIn);
void printComponents(Component* compPtr);
void printNodes(Node* nodePtr, int compFlag);
char* strComponentType(Component* compPtr);
char* ComponentTypeName(Component* compPtr); //obtain component type name
int portNum(Component* comPtr, Node* nodePtr); //obtain port number
bool isAccurate(double result[], int num, double accurateValue);
bool isClose(double A[], double B[], int num, double accurate = 1e-6);
void Fun(double A[][30], double x[], double b[], int n);
void convertArray(double jacMat[][30], double A[][30], double result[], double y[], int number);
void NR_Iterations(double jacMat[][30], double result[], double minDert[], int number, int& count,
double accurateValue, int datum, int lastnode, bool Homotopy_NeW = false, bool Homotopy = false, double t = 0);
NodeHead nodeList;
CompHead compList;
int main(int argc, char* argv[]) {
ifstream inFile;
ofstream outFile;
ofstream outfile; //add another 'outfile' to finish relevant work
ModelHead modelList;
// Buffers used in parsing:
char inName[NameLength], outName[NameLength], buf[BufLength],myOutName[NameLength],
buf1[BufLength], buf2[BufLength], buf3[BufLength], nameBuf[NameLength],
* bufPtr, * charPtr1, * charPtr2;
int intBuf1, intBuf2, intBuf3, intBuf4, datum = NA, eqNum = NA, specPrintJacMNA = 0, count=0;
double douBuf1, douBuf2, douBuf3, douBuf4;
CompType typeBuf;
Component* compPtr, * compPtr1, * compPtr2;
Node* nodePtr, * nodePtr1, * nodePtr2;
Model* modelPtr;
TranType TtypeBuf;
EquaType eqType = Modified;
strcpy(inName, "NOTHING");
strcpy(outName, "NOTHING");
strcpy(myOutName, "NOTHING");
// process equation types:
if (eqNum == NA) {
while ((eqNum != 1) && (eqNum != 2)) {
cout << "Available Equations Types Are:" << endl
<< " <1> Nodal" << endl
<< " <2> Modified Nodal" << endl
<< "Please enter your choice <1, 2>:" << endl;
cin >> buf;
eqNum = atoi(buf);
}
if (eqNum == 1)
eqType = Nodal;
else if (eqNum == 2)
eqType = Modified;
}
// process input file name:
if (!strcmp(inName, "NOTHING")) {
cerr << "Please enter the input Spice Netlist: <QUIT to exit>" << endl;
cin >> inName;
if (!strcmp(inName, "QUIT")) {
cerr << "Program Exited Abnormally!" << endl;
exit(0);
}
}
inFile.open(inName, ios::in);
while (!inFile) {
cerr << inName << " is an invalid input file." << endl
<< "Please enter the input Spice Netlist: <QUIT to exit>" << endl;
cin >> inName;
if (!strcmp(inName, "QUIT")) {
cerr << "Program Exited Abnormally!" << endl;
exit(0);
}
inFile.open(inName, ios::in);
}
// process output file
if (!strcmp(outName, "NOTHING")) {
strcpy(outName, inName);
strtok(outName, ".");
strcat(outName, ".Pout");
}
outFile.open(outName, ios::out);
cout<< endl;
// parsing of netlist to create linked list of models (remember to reset the fstream)
inFile.getline(buf, BufLength); // first line of netlist is discarded
inFile.getline(buf, BufLength);
while (inFile.good()) {
if ((buf == NULL) || (*buf == '\0')) {
inFile.getline(buf, BufLength);
continue;
}
strcpy(buf1, buf);
if (!strcmp(strtok(buf1, " "), ".model")) {
strcpy(buf2, strtok(NULL, " "));
charPtr1 = strtok(NULL, " ");
if (!strcmp(charPtr1, "PNP"))
TtypeBuf = PNP;
else if (!strcmp(charPtr1, "NPN"))
TtypeBuf = NPN;
else if (!strcmp(charPtr1, "NMOS"))
TtypeBuf = NMOS;
else if (!strcmp(charPtr1, "PMOS"))
TtypeBuf = PMOS;
charPtr1 = strtok(NULL, " ");
while (charPtr1 != NULL) {
strcpy(buf3, "");
if ((charPtr1[0] == 'I') && (charPtr1[1] == 'S') && (charPtr1[2] == '=')) {
douBuf1 = stripString(charPtr1);
}
if ((charPtr1[0] == 'B') && (charPtr1[1] == 'F') && (charPtr1[2] == '=')) {
douBuf2 = stripString(charPtr1);
}
if ((charPtr1[0] == 'B') && (charPtr1[1] == 'R') && (charPtr1[2] == '=')) {
douBuf3 = stripString(charPtr1);
}
if ((charPtr1[0] == 'T') && (charPtr1[1] == 'E') && (charPtr1[2] == '=')) {
douBuf4 = stripString(charPtr1);
}
charPtr1 = strtok(NULL, " ");
}
modelPtr = new Model(buf2, TtypeBuf, douBuf1, douBuf2, douBuf3, douBuf4);
modelList.addModel(modelPtr);
}
inFile.getline(buf, BufLength);
}
inFile.close();
inFile.open(inName, ios::in);
//.Tran
inFile.getline(buf, BufLength); // first line of netlist is discarded
inFile.getline(buf, BufLength);
while (inFile.good()) {
if ((buf == NULL) || (*buf == '\0')) {
inFile.getline(buf, BufLength);
continue;
}
strcpy(buf1, buf);
if (!strcmp(strtok(buf1, " "), ".tran")) {
charPtr1 = strtok(NULL, " ");
stepSize = atof(charPtr1);
charPtr1 = strtok(NULL, " ");
stopTime = atof(charPtr1);
}
inFile.getline(buf, BufLength);
}
inFile.close();
inFile.open(inName, ios::in);
char model_str[9];
// starting of parsing by creating linked list of components
inFile.getline(buf, BufLength); // first line of netlist is discarded
inFile.getline(buf, BufLength);
while (inFile.good()) {
if ((buf == NULL) || (*buf == '\0')) {
inFile.getline(buf, BufLength);
continue;
}
if (isalpha(*buf)) {
// EDIT THIS SECTION IF NEW COMPONENTS ARE ADDED!!!
// we could do some rearranging in this section to catch each type in order.
switch (*buf) {
case 'v':
case 'V':
{
typeBuf = VSource;
strcpy(nameBuf, strtok(buf, " "));
intBuf1 = atoi(strtok(NULL, " "));
intBuf2 = atoi(strtok(NULL, " "));
douBuf1 = atof(strtok(NULL, " "));
compPtr = new Component(typeBuf, douBuf1, NA, intBuf1, intBuf2, NA, NA, NULL, nameBuf);
compList.addComp(compPtr);
if (intBuf1 != datum && intBuf2 != datum) {
Vsoure[compPtr->getcompNum()][0] = 1;
Vsoure[compPtr->getcompNum()][2] = intBuf2;
}
break;
}
case 'i':
case 'I':
cout << "I" << endl;
typeBuf = ISource;
strcpy(nameBuf, strtok(buf, " "));
intBuf1 = atoi(strtok(NULL, " "));
intBuf2 = atoi(strtok(NULL, " "));
douBuf1 = atof(strtok(NULL, " "));
compPtr = new Component(typeBuf, douBuf1, NA, intBuf1, intBuf2, NA, NA, NULL, nameBuf);
compList.addComp(compPtr);
break;
case 'q':
case 'Q':
typeBuf = BJT;
strcpy(nameBuf, strtok(buf, " "));
intBuf1 = atoi(strtok(NULL, " "));
intBuf2 = atoi(strtok(NULL, " "));
intBuf3 = atoi(strtok(NULL, " "));
compPtr = new Component(typeBuf, NA, NA, intBuf1, intBuf2, intBuf3, NA,
modelList.getModel(strtok(NULL, " ")), nameBuf);
compList.addComp(compPtr);
break;
case 'm':
case 'M':
typeBuf = MOSFET;
strcpy(nameBuf, strtok(buf, " "));
intBuf1 = atoi(strtok(NULL, " "));
intBuf2 = atoi(strtok(NULL, " "));
intBuf3 = atoi(strtok(NULL, " "));
intBuf4 = atoi(strtok(NULL, " "));
compPtr = new Component(typeBuf, NA, NA, intBuf1, intBuf2, intBuf3, intBuf4,
modelList.getModel(strtok(NULL, " ")), nameBuf);
compList.addComp(compPtr);
break;
case 'r':
case 'R':
typeBuf = Resistor;
strcpy(nameBuf, strtok(buf, " "));
intBuf1 = atoi(strtok(NULL, " "));
intBuf2 = atoi(strtok(NULL, " "));
douBuf1 = atof(strtok(NULL, " "));
compPtr = new Component(typeBuf, douBuf1, NA, intBuf1, intBuf2, NA, NA, NULL, nameBuf);
compList.addComp(compPtr);
break;
case 'd':
case 'D':
typeBuf = Diode;
strcpy(nameBuf, strtok(buf, " "));
intBuf1 = atoi(strtok(NULL, " "));
intBuf2 = atoi(strtok(NULL, " "));
charPtr1 = strtok(NULL, " ");
while (charPtr1 != NULL) {
if ((charPtr1[0] == 'I') && (charPtr1[1] == 'S') && (charPtr1[2] == '=')) {
douBuf1 = stripString(charPtr1);
}
if ((charPtr1[0] == 'T') && (charPtr1[1] == 'E') && (charPtr1[4] == '=')) {
douBuf2 = stripString(charPtr1);
}
charPtr1 = strtok(NULL, " ");
}
compPtr = new Component(typeBuf, douBuf1, douBuf2, intBuf1, intBuf2, NA, NA, NULL, nameBuf);
compList.addComp(compPtr);
break;
case 'c':
case 'C':
typeBuf = Capacitor;
strcpy(nameBuf, strtok(buf, " "));
intBuf1 = atoi(strtok(NULL, " "));
intBuf2 = atoi(strtok(NULL, " "));
douBuf1 = atof(strtok(NULL, " "));
compPtr = new Component(typeBuf, douBuf1, NA, intBuf1, intBuf2, NA, NA, NULL, nameBuf);
compList.addComp(compPtr);
break;
case 'l':
case 'L':
typeBuf = Inductor;
strcpy(nameBuf, strtok(buf, " "));
intBuf1 = atoi(strtok(NULL, " "));
intBuf2 = atoi(strtok(NULL, " "));
douBuf1 = atof(strtok(NULL, " "));
compPtr = new Component(typeBuf, douBuf1, NA, intBuf1, intBuf2, NA, NA, NULL, nameBuf);
compList.addComp(compPtr);
break;
};
}
inFile.getline(buf, BufLength);
}
// Now the components are created and it is time to set up the list of nodes.
// we should actually use second connector of first Source as the first Node (Datum)
compPtr1 = compList.getComp(0);
while (compPtr1 != NULL) {
for (int b = 0; b < 3; b++) { /* ~> J. Erik Melo note: A component can have until 4 connectors. But here just 3 are been considered. It should change the condition to 'b <= 3' or 'b < 4'?*/
if ((!compPtr1->isCon(b)) && (compPtr1->getConVal(b) != NA)) { //~> verify if the connector 'b' is not set && if the name of the node to which this same connector 'b' is connected is a valid name as found in the circuit file. That is, if the name is not NA, that is, if this connector was named in the instantiation of the component.
intBuf1 = compPtr1->getConVal(b); // ~> getting the connector number as in the netlist file
nodePtr1 = nodeList.addNode();
nodePtr1->setNameNum(intBuf1); // ~> naming the node as in the netlist file
compPtr1->connect(b, nodePtr1); // ~> connecting the 'connector' of component to the node
nodePtr1->connect(b, compPtr1); // ~> connecting the 'connection' of the node to the component
// now search and connect all other appropriate connectors to this node.
// error checking should be added to prevent duplicated, or skipped connectors.
compPtr2 = compPtr1->getNext();
while (compPtr2 != NULL) {
for (int c = 0; c < 3; c++) { //~> verifying which one of the others connectors (of components) are connected to the node above
if (compPtr2->getConVal(c) == intBuf1) { //~> if next component in the list of components has a connector with the same name (conNum) of the connector above, connect it to the same node.
compPtr2->connect(c, nodePtr1);
nodePtr1->connect(c, compPtr2);
break; //~> As a component can only have one connector with the same name (connected in the same node), don't search the others and go out of the 'for' loop
}
}
compPtr2 = compPtr2->getNext();
}
}
}
compPtr1 = compPtr1->getNext();
}
// At this point, we are done creating a representation of the circuit in memory
// now, we need to call each node to create and output its nodal equation.
// Each node will call the components attached for the individual contributions to the
// nodal equation.
// verify that input datum is valid
Boolean check = FALSE;
if (datum != NA) {
nodePtr = nodeList.getNode(0);
while (nodePtr != NULL) {
if (nodePtr->getNameNum() == datum)
check = TRUE;
nodePtr = nodePtr->getNext();
}
if (check == FALSE) {
cerr << "Datum value invalid!" << endl
<< "PROGRAM EXITED ABNORMALLY!" << endl;
exit(0);
}
}
// Loop to find lastnode
nodePtr = nodeList.getNode(0); //~> getting the pointer to the first node, pointed by 'headNode'
int lastnode = nodePtr->getNameNum();
while (nodePtr != NULL) {
lastnode = (nodePtr->getNameNum() > lastnode) ? nodePtr->getNameNum() : lastnode;
nodePtr = nodePtr->getNext();
}
//lastnode = 6;
// Loop to find the datum
if (datum == NA) {
nodePtr = nodeList.getNode(0);
nodePtr1 = nodePtr->getNext();
while (nodePtr1 != NULL) {
if (nodePtr1->getCount() > nodePtr->getCount())
nodePtr = nodePtr1;
nodePtr1 = nodePtr1->getNext();
}
//datum = nodePtr->getNameNum();
datum = 0; //此处做出了修改
}
//=================================
//~> Checking the component list
//~> Comment this part to omit
compPtr = compList.getComp(0);
printComponents(compPtr);
nodePtr = nodeList.getNode(0);
printNodes(nodePtr, 1);
//<~
//==================================
// output circuit information
outFile << "%Parser V1.0" << endl;
outFile << "%Input Spice Deck: " << inName << endl;
outFile << "%Equation Type: ";
if (eqType == Nodal)
outFile << "NODAL" << endl;
else if (eqType == Modified)
outFile << "MODIFIED NODAL" << endl;
outFile << "%Datum Node: " << datum << endl;
// create value table
outFile << endl
<< "%*****************************************************************************" << endl;
outFile << "% Component Values:" << endl;
compPtr = compList.getComp(0);
while (compPtr != NULL) {
compPtr->printVal(outFile);
compPtr = compPtr->getNext();
}
outFile << endl
<< "%*****************************************************************************" << endl;
// go down the nodal list and have components announce themselves
outFile << endl << "% Circuit Equations: " << endl;
nodePtr = nodeList.getNode(0);
while (nodePtr != NULL) {
if (nodePtr->getNameNum() != datum) {
nodePtr->printNodal(outFile, datum , lastnode);
}
nodePtr = nodePtr->getNext();
}
//go down the component list and give equations for all sources
compPtr = compList.getComp(0);
while (compPtr != NULL) {
compPtr->specialPrint(outFile, datum);
compPtr = compPtr->getNext();
}
//~> go down the component list and give supernode equations for all float sources (Nodal Analysis)
if (eqType != Modified) {
compPtr = compList.getComp(0);
while (compPtr != NULL) {
compPtr->printSuperNode(outFile, datum, lastnode);
compPtr = compPtr->getNext();
}
}
// go down the node list and give additional MNA equations
if (eqType == Modified) {
nodePtr = nodeList.getNode(0);
while (nodePtr != NULL) {
if (nodePtr->getNameNum() != datum)
nodePtr->printMNA(outFile, datum, lastnode);
nodePtr = nodePtr->getNext();
}
}
// print jacobians
outFile << endl
<< "%*****************************************************************************" << endl;
outFile << endl << "% Jacobians: " << endl;
nodePtr1 = nodeList.getNode(0);
while (nodePtr1 != NULL) { //~> this loop handles the nodes not connected to a Vsource and those ones that are not the 'datum' node
if (nodePtr1->getNameNum() != datum) {
nodePtr2 = nodeList.getNode(0);
while (nodePtr2 != NULL) {
if (nodePtr2->getNameNum() != datum) {
nodePtr1->printJac(outFile, datum, nodePtr2, lastnode, eqType);
}
nodePtr2 = nodePtr2->getNext();
}
}
nodePtr1 = nodePtr1->getNext();
}
// go down the component list and give equations for all sources
compPtr = compList.getComp(0);
while (compPtr != NULL) {
nodePtr2 = nodeList.getNode(0);
compPtr2 = compList.getComp(0);
while (nodePtr2 != NULL) {
if (nodePtr2->getNameNum() != datum) {
compPtr->specialPrintJac(outFile, datum, nodePtr2, lastnode, eqType, compPtr2, &specPrintJacMNA ); // ~> specPrintJacMNA is used to verify if the jacobians w.r.t. the Modified equations was already printed to print only once.
}
nodePtr2 = nodePtr2->getNext();
}
specPrintJacMNA = 0;
compPtr = compPtr->getNext();
}
// print the Jacobians for the additional MNA equations
if (eqType == Modified) {
nodePtr1 = nodeList.getNode(0);
while (nodePtr1 != NULL) {
if (nodePtr1->getNameNum() != datum) {
nodePtr2 = nodeList.getNode(0);
while (nodePtr2 != NULL) {
if (nodePtr2->getNameNum() != datum)
nodePtr1->printJacMNA(outFile, datum, nodePtr2, lastnode);
nodePtr2 = nodePtr2->getNext();
}
}
nodePtr1 = nodePtr1->getNext();
}
}
cout << endl;
// %***************************************************************************************************
/*
if (!strcmp(myOutName, "NOTHING")) {
strcpy(myOutName, inName);
strtok(myOutName, ".");
strcat(myOutName, "out.txt");
}
outfile.open(myOutName, ios::out);
nodePtr = nodeList.getNode(0);
outfile << "datum = " << datum << "\t\t" << "lastnode = " << lastnode << endl;
Connections* conPtr;
while (nodePtr != NULL) {
outfile << "节点 " << nodePtr->getNameNum() << "\t\t" << "所连器件数为：" << nodePtr->getCount() << endl;
conPtr = nodePtr->getConList();
while (conPtr->next != NULL) {
outfile << "\t\t" << "编号： " << conPtr->comp->getcompNum() << "\t\t" << "类型： " << ComponentTypeName(conPtr->comp) << "\t\t" << "链接端口：" << portNum(conPtr->comp, nodePtr) << "\t\t";
switch (conPtr->comp->getType()) {
case VSource:
outfile << "名称：" << "VCC" << endl; break;
default:
outfile << "名称：" << strComponentType(conPtr->comp) << conPtr->comp->getcompNum() << endl; break;
}
outfile << "\t\t" << "value:" << conPtr->comp->getVal() << endl;
conPtr = conPtr->next;
}
outfile << "\t\t" << "编号： " << conPtr->comp->getcompNum() << "\t\t" << "类型： " << ComponentTypeName(conPtr->comp) << "\t\t" << "链接端口：" << portNum(conPtr->comp, nodePtr) << "\t\t";
switch (conPtr->comp->getType()) {
case VSource:
outfile << "名称：" << "VCC" << endl; break;
default:
outfile << "名称：" << strComponentType(conPtr->comp) << conPtr->comp->getcompNum() << endl;
break;
}
outfile << "\t\t" << "value:" << conPtr->comp->getVal() << endl;
nodePtr = nodePtr->getNext();
}
//输出KCL/KVL方程
outfile << endl
<< "%*****************************************************************************" << endl;
// go down the nodal list and have components announce themselves
outfile << endl << " KCL/KVL 方程 : " << endl;
nodePtr = nodeList.getNode(0);
while (nodePtr != NULL) {
if (nodePtr->getNameNum() != datum) {
nodePtr->printNodal(outfile, datum, lastnode);
}
nodePtr = nodePtr->getNext();
}
//go down the component list and give equations for all sources
compPtr = compList.getComp(0);
while (compPtr != NULL) {
compPtr->specialPrint(outfile, datum);
compPtr = compPtr->getNext();
}
//~> go down the component list and give supernode equations for all float sources (Nodal Analysis)
if (eqType != Modified) {
compPtr = compList.getComp(0);
while (compPtr != NULL) {
compPtr->printSuperNode(outfile, datum, lastnode);
compPtr = compPtr->getNext();
}
}
// go down the node list and give additional MNA equations
if (eqType == Modified) {
nodePtr = nodeList.getNode(0);
while (nodePtr != NULL) {
if (nodePtr->getNameNum() != datum)
nodePtr->printMNA(outfile, datum, lastnode);
nodePtr = nodePtr->getNext();
}
}
outfile.close();*/
//%****************************************************************************************************
int choose = 0;
cout << "*************************************" << endl;
cout << " 1、N-R" << endl;
cout << " 2、Homotopy-Newton" << endl;
cout << " 3、Homotopy" << endl;
cout << " 4、Transient" << endl;
cout << " 5、CL_P_Transient" << endl;
cout << " 6、CV_P_Transient" << endl;
cout << " 7、CV_P_Transient_plus" << endl;
cout << "*************************************" << endl;
cin >> choose;
if (choose == 1) {
//以下实现矩阵的运算
cout << endl << endl << "----------------Using N-R Method to Solve Circuit Equations--------------------------" << endl << endl;
int number = 0;
cout << "Please enter the initial data number：" << endl;
cin >> number;
cout << "Please enter the initial data value:" << endl;
for (int i = 0; i < number; i++) {
cin >> nodeValue[i + 1];
}
nodePtr = nodeList.getNode(0);
while (nodePtr != NULL) {
if (nodePtr->getNameNum() != datum) {
nodePtr->printNodalMat(datum, lastnode, result);
}
nodePtr = nodePtr->getNext();
}
compPtr = compList.getComp(0);
while (compPtr != NULL) {
compPtr->specialPrintMat(datum, result);
compPtr = compPtr->getNext();
}
//~> go down the component list and give supernode equations for all float sources (Nodal Analysis)
if (eqType != Modified) {
compPtr = compList.getComp(0);
while (compPtr != NULL) {
compPtr->printSuperNodeMat(datum, lastnode, result);
compPtr = compPtr->getNext();
}
}
// go down the node list and give additional MNA equations
if (eqType == Modified) {
nodePtr = nodeList.getNode(0);
while (nodePtr != NULL) {
if (nodePtr->getNameNum() != datum)
nodePtr->printMNAMat(datum, lastnode, result);
nodePtr = nodePtr->getNext();
}
}
nodePtr1 = nodeList.getNode(0);
while (nodePtr1 != NULL) {
if (nodePtr1->getNameNum() != datum) {
nodePtr2 = nodeList.getNode(0);
while (nodePtr2 != NULL) {
if (nodePtr2->getNameNum() != datum) {
nodePtr1->printJacMat(datum, nodePtr2, lastnode, eqType, jacMat);
}
nodePtr2 = nodePtr2->getNext();
}
}
nodePtr1 = nodePtr1->getNext();
}
// go down the component list and give equations for all sources
compPtr = compList.getComp(0);
while (compPtr != NULL) {
nodePtr2 = nodeList.getNode(0);
compPtr2 = compList.getComp(0);
while (nodePtr2 != NULL) {
if (nodePtr2->getNameNum() != datum) {
compPtr->specialPrintJacMat(datum, nodePtr2, lastnode, eqType, compPtr2, &specPrintJacMNA, jacMat); // ~> specPrintJacMNA is used to verify if the jacobians w.r.t. the Modified equations was already printed to print only once.
}
nodePtr2 = nodePtr2->getNext();
}
specPrintJacMNA = 0;
compPtr = compPtr->getNext();
}
// print the Jacobians for the additional MNA equations
if (eqType == Modified) {
nodePtr1 = nodeList.getNode(0);
while (nodePtr1 != NULL) {
if (nodePtr1->getNameNum() != datum) {
nodePtr2 = nodeList.getNode(0);
while (nodePtr2 != NULL) {
if (nodePtr2->getNameNum() != datum)
nodePtr1->printJacMNAMat(datum, nodePtr2, lastnode, jacMat);
nodePtr2 = nodePtr2->getNext();
}
}
nodePtr1 = nodePtr1->getNext();
}
}
int count = 1;
double accurateValue;
cout << "please input required accuracy:" << endl;
cin >> accurateValue;
cout << "------------------output------------------------------------" << endl;
NR_Iterations(jacMat, result, minDert, number, count, accurateValue, datum, lastnode);
cout << "iteration number:" << " " << count << endl;
cout << endl;
for (int i = 0; i < number; i++) {
cout << "▲x(" << i + 1 << ") = " << minDert[i] << endl;
}
cout << endl;
cout << "the result:" << endl;
for (int i = 0; i < number; i++) {
cout << "x(" << i + 1 << ") = " << nodeValue[i + 1] << endl;
}
}
else if (choose == 2) {
//------------------------同伦法求解电路方程------------------------------
cout << endl << endl << "----------------Using Homotopy-Newton Method to Solve Circuit Equations--------------------------" << endl << endl;
outfile.open("nrhomo.txt", ios::out);
double stepSize;
int number = 0;
cout << "Please enter the initial data number：" << endl;
cin >> number;
double t = 0;
cout << "Please enter the step size:" << endl;
cin >> stepSize;
t = t + stepSize;
cout << "Please enter the initial data value:" << endl;
for (int i = 0; i < number; i++) {
cin >> nodeValue[i + 1];
}
double accurateValue;
cout << "please input required accuracy:" << endl;
cin >> accurateValue;
//求F(x0)
nodePtr = nodeList.getNode(0);
while (nodePtr != NULL) {
if (nodePtr->getNameNum() != datum) {
nodePtr->printNodalMat(datum, lastnode, result);
}
nodePtr = nodePtr->getNext();
}
compPtr = compList.getComp(0);
while (compPtr != NULL) {
compPtr->specialPrintMat(datum, result);
compPtr = compPtr->getNext();
}
//~> go down the component list and give supernode equations for all float sources (Nodal Analysis)
if (eqType != Modified) {
compPtr = compList.getComp(0);
while (compPtr != NULL) {
compPtr->printSuperNodeMat(datum, lastnode, result);
compPtr = compPtr->getNext();
}
}
// go down the node list and give additional MNA equations
if (eqType == Modified) {
nodePtr = nodeList.getNode(0);
while (nodePtr != NULL) {
if (nodePtr->getNameNum() != datum)
nodePtr->printMNAMat(datum, lastnode, result);
nodePtr = nodePtr->getNext();
}
}
//求jac矩阵
nodePtr1 = nodeList.getNode(0);
while (nodePtr1 != NULL) {
if (nodePtr1->getNameNum() != datum) {
nodePtr2 = nodeList.getNode(0);
while (nodePtr2 != NULL) {
if (nodePtr2->getNameNum() != datum) {
nodePtr1->printJacMat(datum, nodePtr2, lastnode, eqType, jacMat);
}
nodePtr2 = nodePtr2->getNext();
}
}
nodePtr1 = nodePtr1->getNext();
}
// go down the component list and give equations for all sources
compPtr = compList.getComp(0);
while (compPtr != NULL) {
nodePtr2 = nodeList.getNode(0);
compPtr2 = compList.getComp(0);
while (nodePtr2 != NULL) {
if (nodePtr2->getNameNum() != datum) {
compPtr->specialPrintJacMat(datum, nodePtr2, lastnode, eqType, compPtr2, &specPrintJacMNA, jacMat); // ~> specPrintJacMNA is used to verify if the jacobians w.r.t. the Modified equations was already printed to print only once.
}
nodePtr2 = nodePtr2->getNext();
}
specPrintJacMNA = 0;
compPtr = compPtr->getNext();
}
// print the Jacobians for the additional MNA equations
if (eqType == Modified) {
nodePtr1 = nodeList.getNode(0);
while (nodePtr1 != NULL) {
if (nodePtr1->getNameNum() != datum) {
nodePtr2 = nodeList.getNode(0);
while (nodePtr2 != NULL) {
if (nodePtr2->getNameNum() != datum)
nodePtr1->printJacMNAMat(datum, nodePtr2, lastnode, jacMat);
nodePtr2 = nodePtr2->getNext();
}
}
nodePtr1 = nodePtr1->getNext();
}
}
for (int i = 1; i <= number; i++) {
initF[i] = result[i];
result[i] = t * initF[i];
}
while (t < 1.0+stepSize) {
NR_Iterations(jacMat, result, minDert, number, count, accurateValue, datum, lastnode, true, false, t);
t += stepSize;
nodePtr = nodeList.getNode(0);
while (nodePtr != NULL) {
if (nodePtr->getNameNum() != datum) {
nodePtr->printNodalMat(datum, lastnode, result);
}
nodePtr = nodePtr->getNext();
}
compPtr = compList.getComp(0);
while (compPtr != NULL) {
compPtr->specialPrintMat(datum, result);
compPtr = compPtr->getNext();
}
//~> go down the component list and give supernode equations for all float sources (Nodal Analysis)
if (eqType != Modified) {
compPtr = compList.getComp(0);
while (compPtr != NULL) {
compPtr->printSuperNodeMat(datum, lastnode, result);
compPtr = compPtr->getNext();
}
}
// go down the node list and give additional MNA equations
if (eqType == Modified) {
nodePtr = nodeList.getNode(0);
while (nodePtr != NULL) {
if (nodePtr->getNameNum() != datum)
nodePtr->printMNAMat(datum, lastnode, result);
nodePtr = nodePtr->getNext();
}
}
//求jac矩阵
nodePtr1 = nodeList.getNode(0);
while (nodePtr1 != NULL) {
if (nodePtr1->getNameNum() != datum) {
nodePtr2 = nodeList.getNode(0);
while (nodePtr2 != NULL) {
if (nodePtr2->getNameNum() != datum) {
nodePtr1->printJacMat(datum, nodePtr2, lastnode, eqType, jacMat);
}
nodePtr2 = nodePtr2->getNext();
}
}
nodePtr1 = nodePtr1->getNext();
}
// go down the component list and give equations for all sources
compPtr = compList.getComp(0);
while (compPtr != NULL) {
nodePtr2 = nodeList.getNode(0);
compPtr2 = compList.getComp(0);
while (nodePtr2 != NULL) {
if (nodePtr2->getNameNum() != datum) {
compPtr->specialPrintJacMat(datum, nodePtr2, lastnode, eqType, compPtr2, &specPrintJacMNA, jacMat); // ~> specPrintJacMNA is used to verify if the jacobians w.r.t. the Modified equations was already printed to print only once.
}
nodePtr2 = nodePtr2->getNext();
}
specPrintJacMNA = 0;
compPtr = compPtr->getNext();
}
// print the Jacobians for the additional MNA equations
if (eqType == Modified) {
nodePtr1 = nodeList.getNode(0);
while (nodePtr1 != NULL) {
if (nodePtr1->getNameNum() != datum) {
nodePtr2 = nodeList.getNode(0);
while (nodePtr2 != NULL) {
if (nodePtr2->getNameNum() != datum)
nodePtr1->printJacMNAMat(datum, nodePtr2, lastnode, jacMat);
nodePtr2 = nodePtr2->getNext();
}
}
nodePtr1 = nodePtr1->getNext();
}
}
if (t < 1.0+stepNum) {
for (int i = 1; i <= number; i++) {
result[i] = result[i] - (1 - t) * initF[i];
}
}
outfile << "time:" << t-stepSize << endl;
for (int i = 1; i <= number; i++) {
outfile << "x" << i << "=" << nodeValue[i] << endl;
}
}
outfile.close();
//NR_Iterations(jacMat, result, minDert, number, count, accurateValue, datum, lastnode);
cout << endl;
for (int i = 0; i < number; i++) {
cout << "▲x(" << i + 1 << ") = " << minDert[i] << endl;
}
cout << endl;
cout << "the result:" << endl;
for (int i = 0; i < number; i++) {
cout << "x(" << i + 1 << ") = " << nodeValue[i + 1] << endl;
}
}
else if (choose == 3) {
/*
# 同伦法的公式 H(x,t)=tf(x)+(1-t)G(x-a)
# 默认G为对角矩阵，且对角线的值为1e-3.
# 默认 a 给定
*/
cout << endl << endl << "----------------Using Homotopy Method to Solve Circuit Equations--------------------------" << endl << endl;
outfile.open("homotopy.txt", ios::out);
double t_stepSize;
int number = 0, step_num = 0, step_sum=0;
cout << "Please enter the initial data number：" << endl;
cin >> number;
double t = 0;
cout << "Please enter the initial step size:" << endl;
cin >> t_stepSize;
double accurateValue =0.0;
cout << "please input required accuracy:" << endl;
cin >> accurateValue;