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

Range()

Method Summary

java.lang.Object	genRange(double low, double inc, int steps) Generates a range [low,low+inc,...
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

Range

public Range()

Method Detail

genRange

public java.lang.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(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