org.shiftone.bigcalc.math.function
Class NaturalExponent

java.lang.Object
  org.shiftone.bigcalc.core.function.AbstractOneArgumentFunction
      org.shiftone.bigcalc.math.function.NaturalExponent

All Implemented Interfaces:

Function, Functor, MathConstants

public class NaturalExponent

extends AbstractOneArgumentFunction

implements Function, MathConstants

Version:

$Revision: 1.7 $

Author:

$Author: jeffdrost $

Field Summary

Fields inherited from interface org.shiftone.bigcalc.math.MathConstants

BD_239, FIVE, FOUR, I_TWO, ONE, TWO, ZERO

Constructor Summary

NaturalExponent()

Method Summary

java.lang.Object	evaluate(Context stdContext, java.lang.Object argument)
static java.math.BigDecimal	exp(java.math.BigDecimal x, int scale) exp(x) = e^x .
static void	main(java.lang.String[] args)

Methods inherited from class org.shiftone.bigcalc.core.function.AbstractOneArgumentFunction

evaluate, print, setArguments

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.shiftone.bigcalc.Function

setArguments

Methods inherited from interface org.shiftone.bigcalc.Functor

evaluate, print

Constructor Detail

NaturalExponent

public NaturalExponent()

Method Detail

evaluate

public java.lang.Object evaluate(Context stdContext,
                                 java.lang.Object argument)
                          throws java.lang.Exception

Specified by:

evaluate in class AbstractOneArgumentFunction

Throws:

java.lang.Exception

exp

public static java.math.BigDecimal exp(java.math.BigDecimal x,
                                       int scale)

exp(x) = e^x . exp(x) = 1 + x/1! + x^2/2! + x^3/3! + x^4/4! + ...

main

public static void main(java.lang.String[] args)