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Fix bug in PSO implementation.

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This commit is contained in:
Fabian Becker 2014-11-06 11:27:32 +01:00
parent b7749711ca
commit 3358a469a3
1 changed files with 4 additions and 3 deletions
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7
src/eva2/optimization/strategies/ParticleSwarmOptimization.java
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@ -1478,23 +1478,24 @@ public class ParticleSwarmOptimization extends AbstractOptimizer implements java
@Override
public void setPopulation(Population pop) {
this.population = pop;
if (pop.size() != pop.getTargetSize()) { // new particle count!
if (pop.size() > 0 && pop.size() != pop.getTargetSize()) { // new particle count!
tracedVelocity = null;
initializeByPopulation(null, false);
bestIndividual = pop.getBestEAIndividual();
} else {
for (int i = 0; i < pop.size(); i++) {
AbstractEAIndividual indy = pop.getEAIndividual(i);
if (indy == null) {
System.err.println("Error in PSO.setPopulation!");
} else if (!indy.hasData(partTypeKey)) {
} else if (!indy.hasData(this.partTypeKey)) {
initIndividualDefaults(indy, initialVelocity);
initIndividualMemory(indy);
indy.putData(indexKey, i);
indy.setIndividualIndex(i);
}
}
bestIndividual = pop.getBestEAIndividual();
}
bestIndividual = pop.getBestEAIndividual();
}
@Override