evSOLve.JEvolution.gp.nodes

Class SubDouble

java.lang.Object

evSOLve.JEvolution.gp.ProgramNode

evSOLve.JEvolution.gp.nodes.SubDouble

All Implemented Interfaces:

java.lang.Cloneable, javax.swing.tree.MutableTreeNode, javax.swing.tree.TreeNode

public class SubDouble
extends ProgramNode

Field Summary

Fields inherited from class evSOLve.JEvolution.gp.ProgramNode

children, parent, TYPE_BOOLEAN, TYPE_DOUBLE, TYPE_INT, TYPE_UNDEFINED, values

Constructor Summary

Constructors

Constructor and Description
SubDouble() Constructing the function with two operands.
SubDouble(Element n) Creates the function via XML.

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.Object	eval() Subtracts the values of the two children.
int	getOperandType(int index) Returns the operand type Double for both children.
int	getResultType() Returns the result type Double.
java.lang.String	getSignature() Returns the string signature of the node.
void	mutate() Changes the operand sequence.
java.lang.String	toString() Returns the string representation of the node.

Methods inherited from class evSOLve.JEvolution.gp.ProgramNode

addValue, children, clearValues, clone, create, equals, getAllowsChildren, getChildAt, getChildCount, getIndex, getLevel, getParent, hashCode, insert, isLeaf, randomize, remove, remove, removeFromParent, setParent, setUserObject, toXml

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

SubDouble

public SubDouble()

Constructing the function with two operands.

SubDouble

public SubDouble(Element n)

Creates the function via XML.

Parameters:

n - an XML node element

Method Detail

getOperandType

public int getOperandType(int index)

Returns the operand type Double for both children.

Overrides:

getOperandType in class ProgramNode

Parameters:

index - a child index

Returns:

TYPE_DOUBLE

getResultType

public int getResultType()

Returns the result type Double.

Specified by:

getResultType in class ProgramNode

Returns:

TYPE_DOUBLE

eval

public java.lang.Object eval()

Subtracts the values of the two children.

Specified by:

eval in class ProgramNode

Returns:

the difference as Double

mutate

public void mutate()

Changes the operand sequence.

Overrides:

mutate in class ProgramNode

getSignature

public java.lang.String getSignature()

Returns the string signature of the node.

Specified by:

getSignature in class ProgramNode

Returns:

the node's signature

toString

public java.lang.String toString()

Returns the string representation of the node.

Specified by:

toString in class ProgramNode

Returns:

the node's string representation