Author: erans Date: Thu Mar 1 14:33:03 2012 New Revision: 1295583 URL: http://svn.apache.org/viewvc?rev=1295583&view=rev Log: Fixed misuse of "Double.MIN_VALUE".
Modified: commons/proper/math/trunk/src/main/java/org/apache/commons/math3/genetics/Chromosome.java Modified: commons/proper/math/trunk/src/main/java/org/apache/commons/math3/genetics/Chromosome.java URL: http://svn.apache.org/viewvc/commons/proper/math/trunk/src/main/java/org/apache/commons/math3/genetics/Chromosome.java?rev=1295583&r1=1295582&r2=1295583&view=diff ============================================================================== --- commons/proper/math/trunk/src/main/java/org/apache/commons/math3/genetics/Chromosome.java (original) +++ commons/proper/math/trunk/src/main/java/org/apache/commons/math3/genetics/Chromosome.java Thu Mar 1 14:33:03 2012 @@ -26,9 +26,11 @@ package org.apache.commons.math3.genetic * @version $Id$ */ public abstract class Chromosome implements Comparable<Chromosome>,Fitness { + /** Value assigned when no fitness has been computed yet. */ + private static final double NO_FITNESS = Double.NEGATIVE_INFINITY; /** Cached value of the fitness of this chromosome. */ - private double fitness = Double.MIN_VALUE; + private double fitness = NO_FITNESS; /** * Access the fitness of this chromosome. The bigger the fitness, the better @@ -40,7 +42,7 @@ public abstract class Chromosome impleme * @return the fitness. */ public double getFitness() { - if (this.fitness == Double.MIN_VALUE) { + if (this.fitness == NO_FITNESS) { // no cache - compute the fitness this.fitness = fitness(); }