com.singularsys.extensions.polynomials

Class Coeffs

java.lang.Object

com.singularsys.jep.functions.PostfixMathCommand

com.singularsys.extensions.polynomials.Coeffs

All Implemented Interfaces:

CommandVisitorI, PostfixMathCommandI, java.io.Serializable

public class Coeffs
extends PostfixMathCommand
implements CommandVisitorI

Jep function to extract array of coefficients from a polynomial.

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
Coeffs(XJep xjep)

Method Summary

Modifier and Type	Method and Description
boolean	checkNumberOfParameters(int n) Checks the number of parameters of the function.
Node	process(Node node, Node[] children) Performs the specified action on an expression tree.

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

asArray, asBool, asDouble, asInt, asLong, asStrictInt, asString, 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

Coeffs

public Coeffs(XJep xjep)

Method Detail

checkNumberOfParameters

public boolean checkNumberOfParameters(int n)

Description copied from class: PostfixMathCommand

Checks the number of parameters of the function. Functions which set numberOfParameter=-1 should overload this method

Specified by:

checkNumberOfParameters in interface PostfixMathCommandI

Overrides:

checkNumberOfParameters in class PostfixMathCommand

Parameters:

n - number of parameters function will be called with.

Returns:

false if an illegal number of parameters is supplied, true otherwise.

process

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

Description copied from interface: CommandVisitorI

Performs the specified action on an expression tree.

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