package de.lmu.ifi.dbs.elki.utilities.ensemble;

/*
 This file is part of ELKI:
 Environment for Developing KDD-Applications Supported by Index-Structures

 Copyright (C) 2012
 Ludwig-Maximilians-Universität München
 Lehr- und Forschungseinheit für Datenbanksysteme
 ELKI Development Team

 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU Affero General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU Affero General Public License for more details.

 You should have received a copy of the GNU Affero General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

/**
 * Simple combination rule, by taking the maximum.
 * 
 * @author Erich Schubert
 */
public class EnsembleVotingMax implements EnsembleVoting {
  /**
   * Constructor, adhering to
   * {@link de.lmu.ifi.dbs.elki.utilities.optionhandling.Parameterizable}
   */
  public EnsembleVotingMax() {
    // empty
  }

  @Override
  public double combine(double[] scores) {
    double max = Double.NEGATIVE_INFINITY;
    for (double val : scores) {
      max = Math.max(max, val);
    }
    return max;
  }
}