Package org.moeaframework.util.tree

Class Log

java.lang.Object

org.moeaframework.util.tree.Node

org.moeaframework.util.tree.Log

All Implemented Interfaces:

Serializable

public class Log
extends Node

The node for calculating the natural logarithm of a number.

Node signature:

Name	Type	Description
Argument 1	Number	The number
Return Value	Number	The natural logarithm of the number

See Also:

• Math.log(double)
• Serialized Form

Constructor Summary

Constructors

Constructor	Description
Log()	Constructs a new node for calculating the natural logarithm of a number.

Method Summary

Modifier and Type	Method	Description
Log	copyNode()	Returns a copy of this node, but without any children or parents assigned.
Number	evaluate(Environment environment)	Evaluates this node in the context of the specified environment.

Methods inherited from class org.moeaframework.util.tree.Node

copyTree, getArgument, getArgumentType, getDepth, getFunctionAt, getFunctionAt, getMaximumHeight, getMinimumHeight, getNodeAt, getNodeAt, getNodeAt, getNumberOfArguments, getNumberOfFunctions, getNumberOfFunctions, getNumberOfNodes, getNumberOfNodes, getNumberOfNodes, getNumberOfTerminals, getNumberOfTerminals, getParent, getReturnType, getTerminalAt, getTerminalAt, isFixed, isTerminal, isValid, setArgument, setFixed, setFixedTree, size, toString

Methods inherited from class java.lang.Object

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

Constructor Details

Log

public Log()

Constructs a new node for calculating the natural logarithm of a number.

Method Details

copyNode

public Log copyNode()

Description copied from class: Node

Returns a copy of this node, but without any children or parents assigned.

Specified by:

copyNode in class Node

Returns:

a copy of this node, but without any children or parents assigned

evaluate

public Number evaluate(Environment environment)

Description copied from class: Node

Evaluates this node in the context of the specified environment.

Specified by:

evaluate in class Node

Parameters:

environment - the execution environment

Returns:

the result of evaluating this node