examples.gp.tictactoe
Class TicTacToeMain.GameFitnessFunction

java.lang.Object
  org.jgap.gp.GPFitnessFunction
      examples.gp.tictactoe.TicTacToeMain.GameFitnessFunction

All Implemented Interfaces:

java.io.Serializable

Enclosing class:

TicTacToeMain

public static class TicTacToeMain.GameFitnessFunction
extends GPFitnessFunction

See Also:

Serialized Form

Field Summary

Fields inherited from class org.jgap.gp.GPFitnessFunction

MAX_FITNESS_VALUE, NO_FITNESS_VALUE

Constructor Summary

TicTacToeMain.GameFitnessFunction(Board a_board, int a_color, GPGenotype a_other, int a_otherColor)

Method Summary

double	computeRawFitness(IGPProgram a_program)
protected double	evaluate(IGPProgram a_subject) Determine the fitness of the given GPProgram instance.
void	setOpponent(GPGenotype a_other)
void	setPlayer(GPGenotype a_player)

Methods inherited from class org.jgap.gp.GPFitnessFunction

getFitnessValue, getLastComputedFitnessValue, GPFitnessFunction

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TicTacToeMain.GameFitnessFunction

public TicTacToeMain.GameFitnessFunction(Board a_board,
                                         int a_color,
                                         GPGenotype a_other,
                                         int a_otherColor)

Method Detail

setPlayer

public void setPlayer(GPGenotype a_player)

setOpponent

public void setOpponent(GPGenotype a_other)

evaluate

protected double evaluate(IGPProgram a_subject)

Description copied from class: GPFitnessFunction

Determine the fitness of the given GPProgram instance. The higher the return value, the more fit the instance. This method should always return the same fitness value for two equivalent GPProgram instances.

Specified by:

evaluate in class GPFitnessFunction

Parameters:

a_subject - the GPProgram instance to evaluate

Returns:

positive double reflecting the fitness rating of the given GPProgram. Note that if a non-positive double is returned, a RuntimeException should be generated

computeRawFitness

public double computeRawFitness(IGPProgram a_program)