Here you can find the source of length3(float[] a)
public static float length3(float[] a)
//package com.java2s; /*/*from w w w .j av a 2s . com*/ This file is part of jpcsp. Jpcsp 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 3 of the License, or (at your option) any later version. Jpcsp 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 Jpcsp. If not, see <http://www.gnu.org/licenses/>. */ public class Main { public static float length3(float[] a) { return (float) Math.sqrt(a[0] * a[0] + a[1] * a[1] + a[2] * a[2]); } }