/* * RapidMiner * * Copyright (C) 2001-2008 by Rapid-I and the contributors * * Complete list of developers available at our web site: * * http://rapid-i.com * * 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/. */ package com.rapidminer.tools.math; /** * A peak with a index and a value. The compare method returns 1 for the peak * with higher value. * * @author Ingo Mierswa * @version $Id: Peak.java,v 1.3 2008/05/09 19:23:03 ingomierswa Exp $ */ public class Peak implements Comparable<Peak> { private double index; private double magnitude; public Peak(double index, double magnitude) { this.index = index; this.magnitude = magnitude; } public double getIndex() { return index; } public double getMagnitude() { return magnitude; } public int compareTo(Peak p) { return (-1) * Double.compare(this.magnitude, p.magnitude); } public boolean equals(Object o) { if (!(o instanceof Peak)) { return false; } else { Peak p = (Peak)o; return (this.index == p.index) && (this.magnitude == p.magnitude); } } public int hashCode() { return Double.valueOf(this.index).hashCode() ^ Double.valueOf(this.magnitude).hashCode(); } public String toString() { return index + ": " + magnitude; } }