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agomez |
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#include "modelvariable.h" |
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#include "errorhandler.h" |
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#include "readword.h" |
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#include "gadget.h" |
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#include "global.h" |
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ModelVariable::ModelVariable() {
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value = 0.0;
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mvtype = MVFORMULA;
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}
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void ModelVariable::setValue(double newValue) {
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if (mvtype != MVFORMULA)
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handle.logMessage(LOGFAIL, "Error in modelvariable - cannot set value for entries read from file");
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init.setValue(newValue);
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value = newValue;
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}
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void ModelVariable::read(CommentStream& infile,
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const TimeClass* const TimeInfo, Keeper* const keeper) {
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keeper->addString("modelvariable");
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ifstream subfile;
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CommentStream subcomment(subfile);
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char text[MaxStrLength];
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strncpy(text, "", MaxStrLength);
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streampos readPos;
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readPos = infile.tellg();
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infile >> text;
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subfile.open(text, ios::in);
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if (subfile.fail()) {
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// this is a single value that is read as a formula in case
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infile.seekg(readPos);
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if (!(infile >> init))
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handle.logFileMessage(LOGFAIL, "Error in size of vector - didnt expect to find", text);
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init.Inform(keeper);
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} else {
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// this is either a timevariable or a stockvariable that is read from file
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handle.Open(text);
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subcomment >> text >> ws; // description of model variable
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keeper->addString(text);
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char c = subcomment.peek();
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int numcoeff = 0;
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if ((c == 'n') || (c == 'N')) {
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readWordAndVariable(subcomment, "nrofcoeff", numcoeff);
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subcomment >> ws;
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c = subcomment.peek();
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if (numcoeff > 0)
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handle.logFileMessage(LOGWARN, "The modelmatrix timevariable formulation is no longer supported");
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}
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// JMB optional multiplier
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if ((c == 'm') || (c == 'M'))
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readWordAndVariable(subcomment, "multiplier", init);
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else
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init.setValue(1.0);
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init.Inform(keeper);
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subcomment >> ws >> text;
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if ((strcasecmp(text, "timedata") == 0) || (strcasecmp(text, "data") == 0)) {
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// JMB this is a timevariable
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mvtype = MVTIME;
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TV.read(subcomment, TimeInfo, keeper);
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} else if (strcasecmp(text, "stockdata") == 0) {
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// JMB this is a stockvariable
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mvtype = MVSTOCK;
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SV.read(subcomment);
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} else
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handle.logFileUnexpected(LOGFAIL, "timedata or stockdata", text);
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keeper->clearLast();
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handle.Close();
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subfile.close();
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subfile.clear();
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}
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keeper->clearLast();
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}
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int ModelVariable::didChange(const TimeClass* const TimeInfo) {
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if (TimeInfo->getTime() == 1)
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return 1; //return true for the first timestep
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switch (mvtype) {
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case MVFORMULA:
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return 0; //return false if the values were not read from file
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break;
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case MVTIME:
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return TV.didChange(TimeInfo); //return based on time step
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break;
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case MVSTOCK:
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return 1; //return true if this is based on the stock population
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break;
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default:
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handle.logMessage(LOGWARN, "Warning in modelvariable - unrecognised type", mvtype);
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return 0;
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break;
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}
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}
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void ModelVariable::Update(const TimeClass* const TimeInfo) {
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switch (mvtype) {
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case MVFORMULA:
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value = init;
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break;
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case MVTIME:
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TV.Update(TimeInfo);
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value = TV.getValue();
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value *= init; // JMB multiply by scaling factor
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break;
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case MVSTOCK:
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SV.Update();
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value = SV.getValue();
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value *= init; // JMB multiply by scaling factor
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handle.logMessage(LOGDETAIL, "Value calculated in stock variable", value);
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break;
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default:
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handle.logMessage(LOGWARN, "Warning in modelvariable - unrecognised type", mvtype);
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break;
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}
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}
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void ModelVariable::Delete(Keeper* const keeper) const {
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init.Delete(keeper);
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if (mvtype == MVTIME)
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TV.Delete(keeper);
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if (mvtype == MVSTOCK)
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SV.Delete();
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}
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void ModelVariable::Interchange(ModelVariable& newMV, Keeper* const keeper) const {
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newMV.value = value;
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newMV.mvtype = mvtype;
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init.Interchange(newMV.init, keeper);
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if (mvtype == MVTIME)
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TV.Interchange(newMV.TV, keeper);
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if (mvtype == MVSTOCK)
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SV.Interchange(newMV.SV);
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}
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