/**
* Prints a single Chromosome
*
* @param cd the Chromosome
* @return
*/
public String print(Chromosome cd) {
String s = "";
s += "-----\n";
s += "objectives: [";
for (int i = 0; i < cd.getObjectives().length; i++) {
s += cd.getObjectives()[i] + ",";
}
s += "]\n";
s += "genes: [";
for (int i = 0; i < cd.getGenes().size(); i++) {
Gene curr = cd.getGene(i);
if (curr instanceof DoubleGene) {
DoubleGene double_curr = (DoubleGene) curr;
s += double_curr.doubleValue() + ",";
} else if (curr instanceof IntegerGene) {
IntegerGene int_curr = (IntegerGene) curr;
s += int_curr.intValue() + ",";
} else {
s += curr.toString() + ",";
}
}
s += "]\n";
return s;
}
public boolean isDuplicate(Chromosome chrom1, Chromosome chrom2) {
boolean duplicate = true;
// check gene by gene
for (int g = 0; g < chrom1.getGenes().size(); g++) {
if (chrom1.getGene(g) instanceof IntegerGene) {
IntegerGene i_gene = (IntegerGene) chrom1.getGene(g);
IntegerGene j_gene = (IntegerGene) chrom2.getGene(g);
if (i_gene.intValue() != j_gene.intValue()) duplicate = false;
} else if (chrom1.getGene(g) instanceof DoubleGene) {
DoubleGene i_gene = (DoubleGene) chrom1.getGene(g);
DoubleGene j_gene = (DoubleGene) chrom2.getGene(g);
// compute 1% of range in gene set
double max_difference = (i_gene.upperBound() - i_gene.lowerBound()) * .01;
if (Math.abs(i_gene.doubleValue() - j_gene.doubleValue()) > max_difference)
duplicate = false;
} else if (!chrom1.getGene(g).equals(chrom2.getGene(g))) {
duplicate = false;
}
}
return duplicate;
}