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Minor addition to GI individual

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This commit is contained in:
Marcel Kronfeld 2011-02-01 12:43:04 +00:00
parent d27b78092b
commit 5b10b4b6ed
3 changed files with 41 additions and 15 deletions
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17
src/eva2/server/go/individuals/GIIndividualIntegerData.java
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@ -21,7 +21,7 @@ public class GIIndividualIntegerData extends AbstractEAIndividual implements Int
protected int[] m_Genotype;
public GIIndividualIntegerData() {
this.m_MutationProbability = 0.1;
this.m_MutationProbability = 0.2;
this.m_MutationOperator = new MutateDefault();
this.m_CrossoverProbability = 0.7;
this.m_CrossoverOperator = new CrossoverGIDefault();
@ -276,7 +276,20 @@ public class GIIndividualIntegerData extends AbstractEAIndividual implements Int
public void defaultInit(InterfaceOptimizationProblem prob) {
int[][] range = m_Range;
if ((prob != null) && (prob instanceof InterfaceHasInitRange) && (((InterfaceHasInitRange)prob).getInitRange()!=null)) range = (int[][])((InterfaceHasInitRange)prob).getInitRange();
if ((prob != null) && (prob instanceof InterfaceHasInitRange) && (((InterfaceHasInitRange)prob).getInitRange()!=null)) {
Object rng = ((InterfaceHasInitRange)prob).getInitRange();
if (rng instanceof double[][]) {
double[][] dblRng = (double[][])rng;
range = new int[dblRng.length][dblRng[0].length];
for (int i=0; i<range.length; i++) {
for (int j=0; j<range[0].length ; j++) {
range[i][j]=(int)dblRng[i][j];
}
}
} else if (rng instanceof int[][]){
range = (int[][])rng;
} else System.err.println("Error, invalid initial range provided by " + prob + ", expecting int[][] or double[][], disregarding initialization range");
}
for (int i = 0; i < this.m_Genotype.length; i++) {
this.m_Genotype[i] = RNG.randomInt(range[i][0], range[i][1]);

4
src/eva2/server/go/operators/distancemetric/GenotypeMetricBitSet.java
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@ -34,6 +34,10 @@ public class GenotypeMetricBitSet implements InterfaceDistanceMetric, java.io.Se
* @return double
*/
public double distance(AbstractEAIndividual indy1, AbstractEAIndividual indy2) {
return GenotypeMetricBitSet.dist(indy1, indy2);
}
public static double dist(AbstractEAIndividual indy1, AbstractEAIndividual indy2) {
BitSet dIndy1, dIndy2;
double result = 0;
int length = 0;

35
src/eva2/server/go/populations/Population.java
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@ -17,6 +17,7 @@ import eva2.server.go.PopulationInterface;
import eva2.server.go.individuals.AbstractEAIndividual;
import eva2.server.go.individuals.AbstractEAIndividualComparator;
import eva2.server.go.individuals.InterfaceDataTypeDouble;
import eva2.server.go.individuals.InterfaceESIndividual;
import eva2.server.go.individuals.InterfaceGAIndividual;
import eva2.server.go.operators.distancemetric.EuclideanMetric;
import eva2.server.go.operators.distancemetric.InterfaceDistanceMetric;
@ -1788,19 +1789,27 @@ public class Population extends ArrayList implements PopulationInterface, Clonea
double maxDist = Double.MIN_VALUE;
double minDist = Double.MAX_VALUE;
for (int i = 0; i < pop.size(); i++) {
for (int j = i+1; j < pop.size(); j++) {
try {
if (metric == null) d = EuclideanMetric.euclideanDistance(AbstractEAIndividual.getDoublePositionShallow(pop.get(i)),
AbstractEAIndividual.getDoublePositionShallow(pop.get(j)));
else d = metric.distance((AbstractEAIndividual)pop.get(i), (AbstractEAIndividual)pop.get(j));
} catch (Exception e) {
EVAERROR.errorMsgOnce("Exception when calculating population measures ... possibly no double position available?");
d = 0;
}
distSum += d;
if (d < minDist) minDist = d;
if (d > maxDist) maxDist = d;
for (int i = 0; i < pop.size(); i++) {
for (int j = i+1; j < pop.size(); j++) {
try {
if (metric == null) {
if (pop.get(i) instanceof InterfaceESIndividual) {
// short cut if the distance may directly work on the genotype
d = EuclideanMetric.euclideanDistance(AbstractEAIndividual.getDoublePositionShallow(pop.get(i)),
AbstractEAIndividual.getDoublePositionShallow(pop.get(j)));
} else {
d = PhenotypeMetric.dist(pop.get(i), pop.get(j));
}
} else {
d = metric.distance((AbstractEAIndividual)pop.get(i), (AbstractEAIndividual)pop.get(j));
}
} catch (Exception e) {
EVAERROR.errorMsgOnce("Exception when calculating population measures ... possibly no double position available?");
d = 0;
}
distSum += d;
if (d < minDist) minDist = d;
if (d > maxDist) maxDist = d;
}
}
res[1] = minDist;