org.jgap.gp

Interface IGPFitnessEvaluator

All Superinterfaces:

java.io.Serializable

All Known Implementing Classes:

DefaultGPFitnessEvaluator, DeltaGPFitnessEvaluator

public interface IGPFitnessEvaluator
extends java.io.Serializable

Interface for a fitness evaluator used in a Genotype to determine how to interpret the fitness value. The fitness value can either be interpreted straight forward as a fitness indicator (the higher the better). Or it could be seen as a defect rate (the lower the better).

Since:

3.0

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	CVS_REVISION String containing the CVS revision.

Method Summary

Modifier and Type	Method and Description
boolean	isFitter(double a_fitness_value1, double a_fitness_value2) Compares the first given fitness value with the second and returns true if the first one is fitter than the second one.
boolean	isFitter(IGPProgram a_prog1, IGPProgram a_prog2)

Field Detail

CVS_REVISION

static final java.lang.String CVS_REVISION

String containing the CVS revision. Read out via reflection!

See Also:

Constant Field Values

Method Detail

isFitter

boolean isFitter(double a_fitness_value1,
                 double a_fitness_value2)

Compares the first given fitness value with the second and returns true if the first one is fitter than the second one. Otherwise returns false.

Parameters:

a_fitness_value1 - first fitness value

a_fitness_value2 - second fitness value

Returns:

true: first fitness value fitter than second

Since:

2.0 (until 1.1: input types int)

isFitter

boolean isFitter(IGPProgram a_prog1,
                 IGPProgram a_prog2)