/**
* Make sure that the parameter sets of each population are updated (reinitialized) if a
* population is reinitialized.
*
* @see InterfacePopulationChangedEventListener
*/
@Override
public void registerPopulationStateChanged(Object source, String name) {
if (name.equals(Population.POPULATION_INITIALIZED)) {
Population pop = (Population) source;
CMAParamSet params = (CMAParamSet) (pop.getData(MutateESRankMuCMA.cmaParamsKey));
int mu;
if (pop.hasData(EvolutionStrategies.esMuParam)) {
mu = (Integer) pop.getData(EvolutionStrategies.esMuParam);
} else {
System.err.println("Unknown mu in reinit! using lambda/2...");
mu = pop.size() / 2;
}
pop.putData(
MutateESRankMuCMA.cmaParamsKey,
CMAParamSet.initCMAParams(params, mu, pop.size(), pop, params.firstSigma));
}
}
