org.lsmp.djep.groupJep.function

Class GSubtract

java.lang.Object

org.nfunk.jep.function.PostfixMathCommand

org.lsmp.djep.groupJep.function.GSubtract

All Implemented Interfaces:

PostfixMathCommandI

public class GSubtract
extends PostfixMathCommand

Subtract operator for a group.

Author:

Rich Morris Created on 05-Mar-2004

Field Summary

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

curNumberOfParameters, numberOfParameters

Constructor Summary

Constructors

Constructor and Description
GSubtract(GroupI group)

Method Summary

Modifier and Type	Method and Description
void	run(Stack stack) Calculates the result of applying the "+" operator to the arguments from the stack and pushes it back on the stack.
Object	sub(Object param1, Object param2)

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

GSubtract

public GSubtract(GroupI group)

Method Detail

run

public void run(Stack stack)
         throws ParseException

Calculates the result of applying the "+" operator to the arguments from the stack and pushes it back on the stack.

Specified by:

run in interface PostfixMathCommandI

Overrides:

run in class PostfixMathCommand

Throws:

ParseException

sub

public Object sub(Object param1,
                  Object param2)
           throws ParseException

Throws:

ParseException