package arrayPoly;

/**
 * Abstract polynomial algorithms as visitors to Polynomial.
 * <pre>
 * Copyright 2000, by Dung X. Nguyen, All rights reserved.
 * </pre>
 * @author Dung X. Nguyen
 * @since 02/16/2000
 * @dependency arrayPoly.APolynomial 
 */
public abstract interface IVisitor
{
	/**
	 * @param poly a constant polynomial.
	 * @param input an input object needed by this IVisitor.
	 */
	public abstract Object forConst(APolynomial poly, Object input);

	/**
	 * @param poly a non-constant polynomial.
	 * @param input an input object needed by this IVisitor.
	 */
	public abstract Object forNonConst(APolynomial poly, Object input);
}