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agomez |
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#include "totalpredator.h" |
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#include "keeper.h" |
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#include "prey.h" |
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#include "errorhandler.h" |
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#include "gadget.h" |
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#include "global.h" |
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TotalPredator::TotalPredator(CommentStream& infile, const char* givenname,
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const IntVector& Areas, const TimeClass* const TimeInfo, Keeper* const keeper, Formula multscaler)
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: LengthPredator(givenname, Areas, keeper, multscaler) {
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type = TOTALPREDATOR;
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keeper->addString("predator");
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keeper->addString(givenname);
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this->readSuitability(infile, TimeInfo, keeper);
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keeper->clearLast();
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keeper->clearLast();
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}
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void TotalPredator::Eat(int area, const AreaClass* const Area, const TimeClass* const TimeInfo) {
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int inarea = this->areaNum(area);
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int prey, preyl;
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double tmp, wanttoeat;
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int predl = 0; //JMB there is only ever one length group ...
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wanttoeat = prednumber[inarea][predl].N * multi / TimeInfo->numSubSteps();
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totalcons[inarea][predl] = 0.0;
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if (isZero(wanttoeat)) //JMB no predation takes place on this timestep
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return;
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//calculate consumption up to a multiplicative constant
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for (prey = 0; prey < this->numPreys(); prey++) {
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if (this->getPrey(prey)->isPreyArea(area)) {
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for (preyl = 0; preyl < (*cons[inarea][prey])[predl].Size(); preyl++) {
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(*cons[inarea][prey])[predl][preyl]
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= this->getSuitability(prey)[predl][preyl] * this->getPrey(prey)->getBiomass(area, preyl);
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totalcons[inarea][predl] += (*cons[inarea][prey])[predl][preyl];
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}
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} else {
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for (preyl = 0; preyl < (*cons[inarea][prey])[predl].Size(); preyl++)
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(*cons[inarea][prey])[predl][preyl] = 0.0;
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}
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}
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//adjust the consumption by the multiplicative factor
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if (!(isZero(totalcons[inarea][predl]))) {
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tmp = wanttoeat / totalcons[inarea][predl];
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for (prey = 0; prey < this->numPreys(); prey++) {
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if (this->getPrey(prey)->isPreyArea(area)) {
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for (preyl = 0; preyl < (*cons[inarea][prey])[predl].Size(); preyl++)
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(*cons[inarea][prey])[predl][preyl] *= tmp;
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//inform the preys of the consumption
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this->getPrey(prey)->addBiomassConsumption(area, (*cons[inarea][prey])[predl]);
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//set the multiplicative constant
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(*predratio[inarea])[prey][predl] += totalcons[inarea][predl];
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if ((TimeInfo->getSubStep() == TimeInfo->numSubSteps()) && (!(isZero((*predratio[inarea])[prey][predl]))))
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(*predratio[inarea])[prey][predl] = wanttoeat / (*predratio[inarea])[prey][predl];
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}
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}
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}
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//finally set totalcons to the actual consumption
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totalcons[inarea][predl] = wanttoeat;
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}
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void TotalPredator::adjustConsumption(int area, const TimeClass* const TimeInfo) {
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int check, prey, preyl;
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int inarea = this->areaNum(area);
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int predl = 0; //JMB there is only ever one length group ...
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overcons[inarea][predl] = 0.0;
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if (isZero(totalcons[inarea][predl])) //JMB no predation takes place on this timestep
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return;
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double maxRatio, tmp;
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maxRatio = TimeInfo->getMaxRatioConsumed();
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check = 0;
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for (prey = 0; prey < this->numPreys(); prey++) {
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if (this->getPrey(prey)->isPreyArea(area)) {
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check = 1;
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if (this->getPrey(prey)->isOverConsumption(area)) {
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hasoverconsumption[inarea] = 1;
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DoubleVector ratio = this->getPrey(prey)->getRatio(area);
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for (preyl = 0; preyl < (*cons[inarea][prey])[predl].Size(); preyl++) {
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if (ratio[preyl] > maxRatio) {
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tmp = maxRatio / ratio[preyl];
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overcons[inarea][predl] += (1.0 - tmp) * (*cons[inarea][prey])[predl][preyl];
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(*cons[inarea][prey])[predl][preyl] *= tmp;
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(*usesuit[inarea][prey])[predl][preyl] *= tmp;
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}
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}
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}
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}
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}
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if (!check) { //if no prey found to consume then overcons set to actual consumption
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hasoverconsumption[inarea] = 1;
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overcons[inarea][predl] = totalcons[inarea][predl];
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}
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if (hasoverconsumption[inarea]) {
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totalcons[inarea][predl] -= overcons[inarea][predl];
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overconsumption[inarea][predl] += overcons[inarea][predl];
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}
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totalconsumption[inarea][predl] += totalcons[inarea][predl];
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for (prey = 0; prey < this->numPreys(); prey++)
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if (this->getPrey(prey)->isPreyArea(area))
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for (preyl = 0; preyl < (*cons[inarea][prey])[predl].Size(); preyl++)
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(*consumption[inarea][prey])[predl][preyl] += (*cons[inarea][prey])[predl][preyl];
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}
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void TotalPredator::Print(ofstream& outfile) const {
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outfile << "TotalPredator\n";
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PopPredator::Print(outfile);
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}
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