com.epochx.representation.dbl
Class CotangentFunction

java.lang.Object
  com.epochx.representation.Node<TYPE>
      com.epochx.representation.FunctionNode<java.lang.Double>
          com.epochx.representation.dbl.CotangentFunction

All Implemented Interfaces:

java.lang.Cloneable

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

A FunctionNode which performs the reciprocal trigonometric function of cotangent. Cotangent x is equal to 1/tan x.

Constructor Summary

CotangentFunction()
Construct a CotangentFunction with no children.

CotangentFunction(Node<java.lang.Double> child)
Construct a CotangentFunction with one child.

Method Summary

java.lang.Double	evaluate() Evaluating a CotangentFunction involves calculating tan of the child once it's been evaluated, then dividing 1 by the result.
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

CotangentFunction

public CotangentFunction()

Construct a CotangentFunction with no children.

CotangentFunction

public CotangentFunction(Node<java.lang.Double> child)

Construct a CotangentFunction with one child. When evaluated, the child will be evaluated with cotangent performed on the result.

Parameters:

child - The child which cotangent will be performed on.

Method Detail

evaluate

public java.lang.Double evaluate()

Evaluating a CotangentFunction involves calculating tan of the child once it's been evaluated, then dividing 1 by the result.

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 CotangentFunction which is COT.