Package org.nfunk.jep.function

Class Logarithm

java.lang.Object

org.nfunk.jep.function.PostfixMathCommand

org.nfunk.jep.function.Logarithm

All Implemented Interfaces:

PostfixMathCommandI

public class Logarithm
extends PostfixMathCommand

Log bass 10.

RJM change return real results for positive real arguments. Speedup by using static final fields.

Field Summary

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

curNumberOfParameters, numberOfParameters

Constructor Summary

Constructors

Constructor	Description
Logarithm()

Method Summary

Modifier and Type	Method	Description
Object	log(Object param)
void	run(Stack inStack)	Throws an exception because this method should never be called under normal circumstances.

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 Details

Logarithm

public Logarithm()

Method Details

run

public void run(Stack inStack)
         throws ParseException

Description copied from class: PostfixMathCommand

Throws an exception because this method should never be called under normal circumstances. Each function should use it's own run() method for evaluating the function. This includes popping off the parameters from the stack, and pushing the result back on the stack.

Specified by:

run in interface PostfixMathCommandI

Overrides:

run in class PostfixMathCommand

Throws:

ParseException

log

public Object log(Object param)
           throws ParseException

Throws:

ParseException