Here you can find the source of normalize(double[] doubles, double sum)
public static void normalize(double[] doubles, double sum)
//package com.java2s; /*//www.j a v a 2 s . c o m * Copyright 2013,2014 BioASQ project: FP7/2007-2013, ICT-2011.4.4(d), * Intelligent Information Management, * Targeted Competition Framework grant agreement n? 318652. * www: http://www.bioasq.org * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ public class Main { public static void normalize(double[] doubles, double sum) { if (Double.isNaN(sum)) { throw new IllegalArgumentException("Can't normalize array. Sum is NaN."); } if (sum == 0) { // Maybe this should just be a return. throw new IllegalArgumentException("Can't normalize array. Sum is zero."); } for (int i = 0; i < doubles.length; i++) { doubles[i] /= sum; } } }