Java Random Double randomDouble()

Here you can find the source of randomDouble()

Description

random Double

License

Open Source License

Return

random double using XORShift random number generator

Declaration

public static double randomDouble() 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * This file is part of ASkyBlock./* w  w w  . j a  v a2s.c o m*/
 *
 *     ASkyBlock 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.
 *
 *     ASkyBlock 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 ASkyBlock.  If not, see <http://www.gnu.org/licenses/>.
 *******************************************************************************/

public class Main {
    private static Long x = System.nanoTime();

    /**
     * @return random double using XORShift random number generator
     */
    public static double randomDouble() {
        return (double) randomLong() / Long.MAX_VALUE;
    }

    /**
     * @return random long number using XORShift random number generator
     */
    public static long randomLong() {
        x ^= (x << 21);
        x ^= (x >>> 35);
        x ^= (x << 4);
        return Math.abs(x);
    }
}

Related

  1. randomDouble()
  2. randomDouble()
  3. randomDouble()
  4. randomDouble()
  5. randomDouble()
  6. randomDouble()
  7. randomDouble(double low, double high)
  8. randomDouble(double min, double max)
  9. randomDouble(double min, double max)