Java Doc for TestOverallPerformanceFitnessFunc.java in  » Development » jgap » org » jgap » perf » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Development » jgap » org.jgap.perf 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.jgap.FitnessFunction
      org.jgap.perf.TestOverallPerformanceFitnessFunc

TestOverallPerformanceFitnessFunc
public class TestOverallPerformanceFitnessFunc extends FitnessFunction (Code)
Sample fitness function for the MakeChange example.
author:
   Klaus Meffert
since:
   2.0



Constructor Summary
public  TestOverallPerformanceFitnessFunc(int a_targetAmount)
    

Method Summary
public static  intamountOfChange(IChromosome a_potentialSolution)
     Calculates the total amount of change (in cents) represented by the given potential solution and returns that amount.
public  doubleevaluate(IChromosome a_subject)
     Determine the fitness of the given Chromosome instance.
public static  intgetNumberOfCoinsAtGene(IChromosome a_potentialSolution, int a_position)
     Retrieves the number of coins represented by the given potential solution at the given gene position.
public static  intgetTotalNumberOfCoins(IChromosome a_potentialsolution)
     Returns the total number of coins represented by all of the genes in the given potential solution.


Constructor Detail
TestOverallPerformanceFitnessFunc
public TestOverallPerformanceFitnessFunc(int a_targetAmount)(Code)




Method Detail
amountOfChange
public static int amountOfChange(IChromosome a_potentialSolution)(Code)
Calculates the total amount of change (in cents) represented by the given potential solution and returns that amount. Here we use "fantasy" coins just to have more genes and bloat the time consumed for test performance test
Parameters:
  a_potentialSolution - the pontential solution to evaluate the total amount of change (in cents) represented by thegiven solution



evaluate
public double evaluate(IChromosome a_subject)(Code)
Determine the fitness of the given Chromosome instance. The higher the return value, the more fit the instance. This method should always return the same fitness value for two equivalent Chromosome instances.
Parameters:
  a_subject - the Chromosome instance to evaluate a positive integer reflecting the fitness rating of the givenChromosome



getNumberOfCoinsAtGene
public static int getNumberOfCoinsAtGene(IChromosome a_potentialSolution, int a_position)(Code)
Retrieves the number of coins represented by the given potential solution at the given gene position.
Parameters:
  a_potentialSolution - the potential solution to evaluate
Parameters:
  a_position - the gene position to evaluate the number of coins represented by the potential solutionat the given gene position



getTotalNumberOfCoins
public static int getTotalNumberOfCoins(IChromosome a_potentialsolution)(Code)
Returns the total number of coins represented by all of the genes in the given potential solution.
Parameters:
  a_potentialsolution - the potential solution to evaluate the total number of coins represented by the given Chromosome



Fields inherited from org.jgap.FitnessFunction
final public static double DELTA(Code)(Java Doc)
final public static double NO_FITNESS_VALUE(Code)(Java Doc)

Methods inherited from org.jgap.FitnessFunction
public Object clone()(Code)(Java Doc)
abstract protected double evaluate(IChromosome a_subject)(Code)(Java Doc)
public double getFitnessValue(IChromosome a_subject)(Code)(Java Doc)
public double getLastComputedFitnessValue()(Code)(Java Doc)

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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