org.nfunk.jep.function

Class SquareRoot

java.lang.Object

org.nfunk.jep.function.PostfixMathCommand

org.nfunk.jep.function.SquareRoot

All Implemented Interfaces:

PostfixMathCommandI

public class SquareRoot
extends PostfixMathCommand

Field Summary

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

curNumberOfParameters, numberOfParameters

Constructor Summary

Constructors

Constructor and Description
SquareRoot()

Method Summary

Modifier and Type	Method and Description
void	run(Stack inStack) Applies the function to the parameters on the stack.
Object	sqrt(Object param) Calculates the square root of the parameter.

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

SquareRoot

public SquareRoot()

Method Detail

run

public void run(Stack inStack)
         throws ParseException

Applies the function to the parameters on the stack.

Specified by:

run in interface PostfixMathCommandI

Overrides:

run in class PostfixMathCommand

Throws:

ParseException

sqrt

public Object sqrt(Object param)
            throws ParseException

Calculates the square root of the parameter. The parameter must either be of type Double or Complex.

Returns:

The square root of the parameter.

Throws:

ParseException