@Override
public void generateBehavior(SearchPoint trailPoint, ProblemEncoder problemEncoder) {
DesignSpace designSpace = problemEncoder.getDesignSpace();
double[] pold_t_location = pold_t.getLocation();
double[] pbest_t_location = pbest_t.getLocation();
double[] pcurrent_t_location = pcurrent_t.getLocation();
double[] gbest_t_location = socialLib.getGbest().getLocation();
double[] trailPointLocation = trailPoint.getLocation();
int DIMENSION = designSpace.getDimension();
for (int b = 0; b < DIMENSION; b++) {
if (Math.random() < CL) {
designSpace.mutationAt(trailPointLocation, b);
continue;
}
double deltaxb = weight * (pcurrent_t_location[b] - pold_t_location[b])
+ c1 * Math.random() * (pbest_t_location[b] - pcurrent_t_location[b])
+ c2 * Math.random() * (gbest_t_location[b] - pcurrent_t_location[b]);
// limitation for delta_x
double deltaxbm = 0.5 * designSpace.getMagnitudeIn(b);
if (deltaxb < -deltaxbm) {
deltaxb = -deltaxbm;
} else if (deltaxb > deltaxbm) {
deltaxb = deltaxbm;
}
trailPointLocation[b] = pcurrent_t_location[b] + deltaxb;
}
}
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