com.elegantj.data.parser.postfixmathcommand
Class Sign

java.lang.Object
  com.elegantj.data.parser.postfixmathcommand.PostfixMathCommand
      com.elegantj.data.parser.postfixmathcommand.Sign

All Implemented Interfaces:

PostfixMathCommandI

public class Sign

extends PostfixMathCommand

Calculates the signature of the value For example, if value is -10.89 it returns -1 ,if 10.89 it returns 1, if 0 it returns 0
Command Method -> int sign(double d) : d - a double value to be observed, return -1,0,1 for negative,zero,positive.

Constructor Summary

Sign()

Method Summary

void	run(java.util.Stack inStack) Determines the node execution with the stack of arguments and store the result back to the stack.

Methods inherited from class com.elegantj.data.parser.postfixmathcommand.PostfixMathCommand

checkStack, getNumberOfParameters, getParameterTypes, getReturnType

Methods inherited from class java.lang.Object

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

Constructor Detail

Sign

public Sign()

Method Detail

run

public void run(java.util.Stack inStack)
         throws CommandFailedException,
                ArgumentRequiredException,
                InvalidArgumentException

Description copied from interface: PostfixMathCommandI

Determines the node execution with the stack of arguments and store the result back to the stack.

Parameters:

inStack - the stack of the arguments

Throws:

CommandFailedException

ArgumentRequiredException

InvalidArgumentException