org.apache.commons.math.analysis.function
Class Signum

java.lang.Object
  org.apache.commons.math.analysis.function.Signum

All Implemented Interfaces:

UnivariateRealFunction

public class Signum
extends java.lang.Object
implements UnivariateRealFunction

signum function.

Since:

3.0

Version:

$Id$

Constructor Summary

Signum()

Method Summary

double

value(double x) Compute the value of the function.

Methods inherited from class java.lang.Object

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

Constructor Detail

Signum

public Signum()

Method Detail

value

public double value(double x)

Compute the value of the function.

Specified by:

value in interface UnivariateRealFunction

Parameters:

x - Point at which the function value should be computed.

Returns:

the value of the function.