Java Array Normalize normalize(double[] state)

Description

Normalizes the quaternion.

License

Open Source License

Parameter

Parameter	Description
state	a parameter

Declaration

static void normalize(double[] state) 

Method Source Code

//package com.java2s;
/* /*  w w w  .  j a  v  a2  s.  co  m*/
 * Open Source Physics software is free software; you can redistribute
 * it and/or modify it under the terms of the GNU General Public License (GPL) as
 * published by the Free Software Foundation; either version 2 of the License,
 * or(at your option) any later version.

 * Code that uses any portion of the code in the org.opensourcephysics package
 * or any subpackage (subdirectory) of this package must must also be be released
 * under the GNU GPL license.
 *
 * This software 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; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston MA 02111-1307 USA
 * or view the license online at http://www.gnu.org/copyleft/gpl.html
 *
 * Copyright (c) 2007  The Open Source Physics project
 *                     http://www.opensourcephysics.org
 */

public class Main {
    /**
     * Normalizes the quaternion.
     *
     * @param state
     */
    static void normalize(double[] state) {
        double norm = 1 / Math.sqrt(state[0] * state[0] + state[2]
                * state[2] + state[4] * state[4] + state[6] * state[6]);
        state[0] *= norm;
        state[2] *= norm;
        state[4] *= norm;
        state[6] *= norm;
    }
}

Related

1. normalize(double[] in)
2. normalize(double[] in)
3. normalize(double[] point, double[] uni, double[] unideltas)
4. normalize(double[] points)
5. normalize(double[] probDist)
6. normalize(double[] v)
7. normalize(double[] v)
8. normalize(double[] vals)
9. normalize(double[] values)