Java Random Long getLongSpecial()

Description

get Long Special

License

Apache License

Declaration

static long getLongSpecial() 

Method Source Code

//package com.java2s;
/*//from   w w  w  . j a  v a  2 s .  co  m
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 */

import java.util.Random;

public class Main {
    static Random rng;
    static int[] special = { 0, 10, 100, 1000, 10000, Integer.MAX_VALUE, Integer.MIN_VALUE };
    static long[] lspecial = { 0, 10, 100, 1000, 10000, 2, 4, 8, 256, 16384, 32768, 65536, Integer.MAX_VALUE,
            Integer.MIN_VALUE, Long.MAX_VALUE, Long.MIN_VALUE };

    static long getLongSpecial() {
        int i = rng.nextInt();
        long j = rng.nextLong();
        if ((i & 0x10) != 0)
            return j;
        return lspecial[((int) j & 0x7fffffff) % special.length] * ((i & 0x20) == 0 ? 1 : -1) + ((i & 0x03) - 1);
    }
}

Related

1. generateRandomLongValue()
2. getLong()
3. getLong()
4. getLongBetween(long n, long m)
5. getLongInRange(long minValue, long maxValue)
6. getLongSpecialCases()
7. getRandomLong()
8. nextLong()
9. nextLong()