com.rapidminer.tools.math.function.expressions
Class Signum

java.lang.Object
  org.nfunk.jep.function.PostfixMathCommand
      com.rapidminer.tools.math.function.expressions.Signum

All Implemented Interfaces:

org.nfunk.jep.function.PostfixMathCommandI

public class Signum
extends org.nfunk.jep.function.PostfixMathCommand

Calculates the signum of the given argument.

Author:

Ingo Mierswa

Field Summary

Fields inherited from class org.nfunk.jep.function.PostfixMathCommand

curNumberOfParameters, numberOfParameters

Constructor Summary

Signum()

Method Summary

void	run(java.util.Stack inStack)
java.lang.Object	sgn(java.lang.Object param)

Methods inherited from class org.nfunk.jep.function.PostfixMathCommand

checkNumberOfParameters, checkStack, getNumberOfParameters, setCurNumberOfParameters

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

run

public void run(java.util.Stack inStack)
         throws org.nfunk.jep.ParseException

Specified by:

run in interface org.nfunk.jep.function.PostfixMathCommandI

Overrides:

run in class org.nfunk.jep.function.PostfixMathCommand

Throws:

org.nfunk.jep.ParseException

sgn

public java.lang.Object sgn(java.lang.Object param)
                     throws org.nfunk.jep.ParseException

Throws:

org.nfunk.jep.ParseException