Package org.lsmp.djep.vectorJep.function

Class Id

java.lang.Object

org.nfunk.jep.function.PostfixMathCommand

org.lsmp.djep.vectorJep.function.Id

All Implemented Interfaces:

PostfixMathCommandI

public class Id
extends PostfixMathCommand

Creates an identity matrix. id(3) -> [[1,0,0],[0,1,0],[0,0,1]]

Author:

Rich Morris Created on 13-Feb-2005

Field Summary

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

curNumberOfParameters, numberOfParameters

Constructor Summary

Constructors

Constructor	Description
Id()

Method Summary

Modifier and Type	Method	Description
void	run(Stack s)	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

Id

public Id()

Method Details

run

public void run(Stack s)
         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