org.nfunk.jep.function
Class ArcCosine

java.lang.Object
  org.nfunk.jep.function.PostfixMathCommand
      org.nfunk.jep.function.ArcCosine

All Implemented Interfaces:

PostfixMathCommandI

public class ArcCosine
extends PostfixMathCommand

The acos function.

Author:

Nathan Funk TODO How to handle acos(x) for real x with x>1 or x<-1

Field Summary

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

curNumberOfParameters, numberOfParameters

Constructor Summary

ArcCosine()

Method Summary

Object	acos(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 Detail

ArcCosine

public ArcCosine()

Method Detail

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

acos

public Object acos(Object param)
            throws ParseException

Throws:

ParseException