net.openai.ai.ga.selection.common
Class SelectFitnessRange

java.lang.Object
  |
  +--net.openai.ai.ga.selection.common.SelectFitnessRange

All Implemented Interfaces:

SelectionAlgorithm

public class SelectFitnessRange

extends java.lang.Object

implements SelectionAlgorithm

SelectFitnessRange is a SelectionAlgorithm that will return a portion of the passed Population that have a fitness in the given range.

Since:

JDK1.3

Version:

%I%, %G%

Author:

Jared Grubb

Constructor Summary

SelectFitnessRange(double lowerBound, boolean lowerExclusive, double upperBound, boolean upperExclusive)
Creates a new SelectFitnessRange object for choosing the Cells out of the specified Population who have a fitness in the specified range, specified with whether each bound is treated inclusive or exclusive.

SelectFitnessRange(double lowerBound, double upperBound)
Creates a new SelectFitnessRange object for choosing the Cells out of the specified Population who have a fitness in the specified range, inclusive.

Method Summary

Population

selectFromPopulation(Population pop) Chooses the Cells in the specified Population with fitness in a given range.

Methods inherited from class java.lang.Object

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

Constructor Detail

SelectFitnessRange

public SelectFitnessRange(double lowerBound,
                          double upperBound)

Creates a new SelectFitnessRange object for choosing the Cells out of the specified Population who have a fitness in the specified range, inclusive. (Equilivant to SelectFitnessRange(lowerBound, false, upperBound, false)).

Parameters:

lowerBound - the lower bound of the fitness range to allow, inclusive

upperBound - the upper bound of the fitness range to allow, inclusive

Throws:

ArithmeticException - on lowerBound>upperBound

SelectFitnessRange

public SelectFitnessRange(double lowerBound,
                          boolean lowerExclusive,
                          double upperBound,
                          boolean upperExclusive)

Creates a new SelectFitnessRange object for choosing the Cells out of the specified Population who have a fitness in the specified range, specified with whether each bound is treated inclusive or exclusive.

Parameters:

lowerBound - the lower bound of the fitness range to allow

lowerExclusive - false lowerBound is inclusive true lowerBound is exclusive

upperBound - the upper bound of the fitness range to allow

upperExclusive - false upperBound is inclusive true upperrBound is exclusive

Throws:

ArithmeticException - on lowerBound>upperBound

Method Detail

selectFromPopulation

public Population selectFromPopulation(Population pop)

Chooses the Cells in the specified Population with fitness in a given range. There is no limit to the number of members returned; it is possible that no cells are returned (when none meet the range requirements) or that all the cells are returned (when they all meet the requirements).

Specified by:

selectFromPopulation in interface SelectionAlgorithm

Parameters:

pop - the Population to choose from

Returns:

a selected Population in arbitrary order