org.lsmp.djep.sjep
Class PVariable

java.lang.Object
  org.lsmp.djep.sjep.AbstractPNode
      org.lsmp.djep.sjep.PVariable

All Implemented Interfaces:

PNodeI

public class PVariable
extends AbstractPNode

Represents a variable.

Author:

Rich Morris Created on 14-Dec-2004

Field Summary

Fields inherited from class org.lsmp.djep.sjep.AbstractPNode

pc

Constructor Summary

PVariable(PolynomialCreator pc, XVariable var)

Method Summary

int	compareTo(PVariable vf) this < arg ---> -1 this > arg ---> 1
boolean	equals(PNodeI node) True is nodes represent the same parse trees
PNodeI	expand() complete expansion. (1+x)^2 --> 1+2*x+x^2
Node	toNode() Converts the node to standard JEP format.
java.lang.String	toString() Produces a string representation of the argument.

Methods inherited from class org.lsmp.djep.sjep.AbstractPNode

add, compareTo, div, invert, isOne, isZero, mul, negate, pow, sub

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.lsmp.djep.sjep.PNodeI

equals

Constructor Detail

PVariable

public PVariable(PolynomialCreator pc,
                 XVariable var)

Method Detail

equals

public boolean equals(PNodeI node)

Description copied from interface: PNodeI

True is nodes represent the same parse trees

Specified by:

equals in interface PNodeI

Overrides:

equals in class AbstractPNode

compareTo

public int compareTo(PVariable vf)

this < arg ---> -1 this > arg ---> 1

toString

public java.lang.String toString()

Description copied from interface: PNodeI

Produces a string representation of the argument.

Specified by:

toString in interface PNodeI

Overrides:

toString in class java.lang.Object

toNode

public Node toNode()
            throws ParseException

Description copied from interface: PNodeI

Converts the node to standard JEP format.

Throws:

ParseException

expand

public PNodeI expand()

Description copied from interface: PNodeI

complete expansion. (1+x)^2 --> 1+2*x+x^2