com.singularsys.jep.misc.javaops
Class AbstractInc

java.lang.Object
  com.singularsys.jep.functions.PostfixMathCommand
      com.singularsys.jep.misc.javaops.AbstractInc

All Implemented Interfaces:

CallbackEvaluationI, PostfixMathCommandI, java.io.Serializable

Direct Known Subclasses:

PostDec, PostInc, PreDec, PreInc

public abstract class AbstractInc
extends PostfixMathCommand
implements CallbackEvaluationI

Base class for pre and post increment operators.

See Also:

Serialized Form

Field Summary

Fields inherited from class com.singularsys.jep.functions.PostfixMathCommand

curNumberOfParameters, numberOfParameters

Constructor Summary

AbstractInc()

Method Summary

protected double	getVal(Variable var)
protected Variable	getVar(Node node)
void	run(java.util.Stack<java.lang.Object> aStack) Run the function on the stack.

Methods inherited from class com.singularsys.jep.functions.PostfixMathCommand

checkNumberOfParameters, checkStack, getNumberOfParameters, setCurNumberOfParameters

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.singularsys.jep.functions.CallbackEvaluationI

evaluate

Constructor Detail

AbstractInc

public AbstractInc()

Method Detail

run

public void run(java.util.Stack<java.lang.Object> aStack)
         throws EvaluationException

Description copied from interface: PostfixMathCommandI

Run the function on the stack. Pops the arguments from the stack, and pushes the result on the top of the stack.

Specified by:

run in interface PostfixMathCommandI

Throws:

EvaluationException

getVar

protected Variable getVar(Node node)
                   throws EvaluationException

Throws:

EvaluationException

getVal

protected double getVal(Variable var)
                 throws EvaluationException

Throws:

EvaluationException