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

Logarithm()

Method Summary

java.lang.Object	log(java.lang.Object param)
void	run(java.util.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 Detail

Logarithm

public Logarithm()

Method Detail

run

public void run(java.util.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 java.lang.Object log(java.lang.Object param)
                     throws ParseException

Throws:

ParseException