Example #1
0
  /**
   * 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;
  }
Example #2
0
  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;
  }