com.singularsys.extensions.polynomials

Class Compare

java.lang.Object

com.singularsys.jep.functions.PostfixMathCommand

com.singularsys.extensions.polynomials.Compare

All Implemented Interfaces:

CommandVisitorI, PostfixMathCommandI, java.io.Serializable

public class Compare
extends PostfixMathCommand
implements CommandVisitorI

The compare(x,y) command. Compares the two expressions and returns -1, 0 or 1.

See Also:

Serialized Form

Field Summary

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

curNumberOfParameters, name, NaN, numberOfParameters

Constructor Summary

Constructors

Constructor and Description
Compare(PolynomialCreator pc, boolean expand)
Compare(XJep jep, boolean expand)

Method Summary

Modifier and Type	Method and Description
Node	process(Node node, Node[] children) Pre-process command performs comparison the two children of the node.

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

asArray, asBool, asDouble, asInt, asLong, asStrictInt, asString, checkNumberOfParameters, getName, getNumberOfParameters, run, setCurNumberOfParameters, setName, toString, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

Compare

public Compare(PolynomialCreator pc,
               boolean expand)

Compare

public Compare(XJep jep,
               boolean expand)

Method Detail

process

public Node process(Node node,
                    Node[] children)
             throws ParseException

Pre-process command performs comparison the two children of the node.

Specified by:

process in interface CommandVisitorI

Parameters:

node - top node of the tree

children - the children of the node after they have been preprocessed.

Returns:

top node of the results.

Throws:

ParseException

See Also:

CommandVisitorI