geneticWedge.gp.function
Class LogFunction

java.lang.Object
  extended by geneticWedge.gp.Component
      extended by geneticWedge.gp.function.Function
          extended by geneticWedge.gp.function.OneInputFunction
              extended by geneticWedge.gp.function.LogFunction

public class LogFunction
extends OneInputFunction

A unary function that returns the natural logarithm of the absolute value of the input


Constructor Summary
LogFunction()
          constructor
 
Method Summary
 double getOutput(double[] input)
          getOutput() throws InvalidInputSizeException if the length of the input array is not 1.
 java.lang.String toString()
          Returns a String representation of a LogFunction object ('ln').
 
Methods inherited from class geneticWedge.gp.function.Function
getComplexity, getNoOfInputs
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

LogFunction

public LogFunction()
constructor

Method Detail

getOutput

public double getOutput(double[] input)
                 throws InvalidInputSizeException
getOutput() throws InvalidInputSizeException if the length of the input array is not 1.

Specified by:
getOutput in class Function
Throws:
InvalidInputSizeException

toString

public java.lang.String toString()
Returns a String representation of a LogFunction object ('ln').

Specified by:
toString in class Function