com.epochx.representation.dbl
Class AddFunction

java.lang.Object
  extended by com.epochx.representation.Node<TYPE>
      extended by com.epochx.representation.FunctionNode<java.lang.Double>
          extended by com.epochx.representation.dbl.AddFunction
All Implemented Interfaces:
java.lang.Cloneable

public class AddFunction
extends FunctionNode<java.lang.Double>

A FunctionNode which performs the mathematical function of addition.


Constructor Summary
AddFunction()
          Construct an AddFunction with no children.
AddFunction(Node<java.lang.Double> child1, Node<java.lang.Double> child2)
          Construct an AddFunction with 2 children.
 
Method Summary
 java.lang.Double evaluate()
          Evaluating an AddFunction involves summing the result of evaluating both children.
 java.lang.String getFunctionName()
          Get the unique name that identifies this function.
 
Methods inherited from class com.epochx.representation.FunctionNode
equals, toString
 
Methods inherited from class com.epochx.representation.Node
clone, getArity, getChild, getChildren, getDepth, getFunctionNodes, getLength, getNodesAtDepth, getNoDistinctFunctions, getNoDistinctTerminals, getNoFunctions, getNoTerminals, getNthNode, getTerminalNodes, hashCode, setChild, setChildren, setNthNode
 
Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, wait, wait, wait
 

Constructor Detail

AddFunction

public AddFunction()
Construct an AddFunction with no children.


AddFunction

public AddFunction(Node<java.lang.Double> child1,
                   Node<java.lang.Double> child2)
Construct an AddFunction with 2 children. When evaluated, both children will be evaluated and added together.

Parameters:
child1 - The first child node.
child2 - The second child node.
Method Detail

evaluate

public java.lang.Double evaluate()
Evaluating an AddFunction involves summing the result of evaluating both children.

Specified by:
evaluate in class Node<java.lang.Double>
Returns:
The result of evaluating the candidate program.

getFunctionName

public java.lang.String getFunctionName()
Get the unique name that identifies this function.

Specified by:
getFunctionName in class FunctionNode<java.lang.Double>
Returns:
the unique name for the AddFunction which is ADD.