Package com.graphbuilder.math.func

Class SignFunction

java.lang.Object

com.graphbuilder.math.func.SignFunction

All Implemented Interfaces:

Function

public class SignFunction
extends Object
implements Function

The sign function.

Constructor Summary

Constructors

Constructor	Description
SignFunction()

Method Summary

Modifier and Type	Method	Description
boolean	acceptNumParam(int numParam)	Returns true only for 1 parameter, false otherwise.
double	of(double[] d, int numParam)	The sign function returns 1 if the d[0] > 0, -1 if d[0] < 0, else 0.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Details

SignFunction

public SignFunction()

Method Details

of

public double of(double[] d,
 int numParam)

The sign function returns 1 if the d[0] > 0, -1 if d[0] < 0, else 0.

Specified by:

of in interface Function

acceptNumParam

public boolean acceptNumParam(int numParam)

Returns true only for 1 parameter, false otherwise.

Specified by:

acceptNumParam in interface Function

toString

public String toString()

Overrides:

toString in class Object