org.nfunk.jep.function

Class Range

java.lang.Object

org.nfunk.jep.function.PostfixMathCommand

org.nfunk.jep.function.Range

All Implemented Interfaces:

PostfixMathCommandI

Direct Known Subclasses:

VRange

public class Range
extends PostfixMathCommand

The list function. Returns a Vector comprising all the children.

Author:

Rich Morris Created on 29-Feb-2004

Field Summary

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

curNumberOfParameters, numberOfParameters

Constructor Summary

Constructors

Constructor and Description
Range()

Method Summary

Modifier and Type	Method and Description
Object	genRange(double low, double inc, int steps) Generates a range [low,low+inc,...,low+inc*(steps-1)]
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

Range

public Range()

Method Detail

genRange

public Object genRange(double low,
                       double inc,
                       int steps)

Generates a range [low,low+inc,...,low+inc*(steps-1)]

Parameters:

low -

inc -

steps -

Returns:

a Vector

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