package org.matheclipse.core.reflection.system;

import org.matheclipse.core.interfaces.IAST;
import org.matheclipse.core.interfaces.IExpr;

/**
 * 
 * See: Wikipedia:Polynomial long division
 * 
 * @see org.matheclipse.core.reflection.system.PolynomialQuotient
 * @see org.matheclipse.core.reflection.system.PolynomialQuotientRemainder
 */
public class PolynomialRemainder extends PolynomialQuotientRemainder {

	public PolynomialRemainder() {
	}

	@Override
	public IExpr evaluate(final IAST lst) {
		if (lst.size() != 3) {
			return null;
		}
		IExpr[] result = quotientRemainder(lst);
		if (result == null) {
			return null;
		}
		return result[1];
	}

}