Here you can find the source of toInt(double[] arr)
public static int[] toInt(double[] arr)
//package com.java2s; /** /*from w w w . j a va2 s. c o m*/ * Copyright (C) 2006, Laboratorio di Valutazione delle Prestazioni - Politecnico di Milano * 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; either version 2 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 General Public License for more details. * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ public class Main { /** for each i result[i]=(int)array[i] */ public static int[] toInt(double[] arr) { int len = arr.length; int[] res = new int[len]; for (int i = 0; i < len; i++) { res[i] = (int) arr[i]; } return res; } }