package org.grouplens.lenskit.iterative;

/**
 * Training Loop controller for iterative updates
 */
public interface TrainingLoopController {
    /**
     * Query whether the computation should stop.
     *
     * @param error The error of the last iteration completed (use {Gustav Lindqvist Double#POSITIVE_INFINITY} before the first iteration).
     * @return {@code false} if the computation is finished.
     */
    boolean keepTraining(double error);

    /**
     *
     * @return the number of iterations done so far.
     */
    int getIterationCount();
}

@@ -1,8 +1,1013 @@
+/*%0A * LensKit, an open source recommender systems toolkit.%0A * Copyright 2010-2013 Regents of the University of Minnesota and contributors%0A * Work on LensKit has been funded by the National Science Foundation under%0A * grants IIS 05-34939, 08-08692, 08-12148, and 10-17697.%0A *%0A * This program is free software; you can redistribute it and/or modify%0A * it under the terms of the GNU Lesser General Public License as%0A * published by the Free Software Foundation; either version 2.1 of the%0A * License, or (at your option) any later version.%0A *%0A * This program is distributed in the hope that it will be useful, but WITHOUT%0A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS%0A * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more%0A * details.%0A *%0A * You should have received a copy of the GNU General Public License along with%0A * this program; if not, write to the Free Software Foundation, Inc., 51%0A * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.%0A */%0A
 package 

Add missing license header