Here you can find the source of average(Double sum, Double size)
public static Double average(Double sum, Double size)
//package com.java2s; /************************************************************************* * Copyright 2009-2013 Eucalyptus Systems, Inc. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; version 3 of the License. * * 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see http://www.gnu.org/licenses/. * * Please contact Eucalyptus Systems, Inc., 6755 Hollister Ave., Goleta * CA 93117, USA or visit http://www.eucalyptus.com/licenses/ if you need * additional information or have any questions. ************************************************************************/ public class Main { public static Double average(Double sum, Double size) { if (Math.abs(size) < 0.0001) return 0.0; // TODO: make sure size is really an int return sum / size; }/* w w w . j av a 2 s .c om*/ }