org.nfunk.jep.function
Class Sum

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

All Implemented Interfaces:

PostfixMathCommandI

public class Sum

extends PostfixMathCommand

This class serves mainly as an example of a function that accepts any number of parameters. Note that the numberOfParameters is initialized to -1.

Field Summary

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

curNumberOfParameters, numberOfParameters

Constructor Summary

Sum()
Constructor.

Method Summary

void	run(java.util.Stack stack) Calculates the result of summing up all parameters, which are assumed to be of the Double type.

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

checkStack, getNumberOfParameters, setCurNumberOfParameters

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Sum

public Sum()

Constructor.

Method Detail

run

public void run(java.util.Stack stack)
         throws ParseException

Calculates the result of summing up all parameters, which are assumed to be of the Double type.

Specified by:

run in interface PostfixMathCommandI

Overrides:

run in class PostfixMathCommand

Throws:

ParseException