Java Hash Code Calculate hashCode(long[] a, int fromIndex, int toIndex)

Here you can find the source of hashCode(long[] a, int fromIndex, int toIndex)

Description

hash Code

License

Apache License

Declaration

public static int hashCode(long[] a, int fromIndex, int toIndex) 

Method Source Code

//package com.java2s;
/*/*from   w  w  w . jav a  2  s  .c o m*/
 * Druid - a distributed column store.
 * Copyright 2012 - 2015 Metamarkets Group Inc.
 *
 * Licensed 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.
 */

public class Main {
    public static int hashCode(long[] a, int fromIndex, int toIndex) {
        int hashCode = 1;
        int i = fromIndex;
        while (i < toIndex) {
            long v = a[i];
            hashCode = 31 * hashCode + (int) (v ^ (v >>> 32));
            ++i;
        }
        return hashCode;
    }

    public static int hashCode(float[] a, int fromIndex, int toIndex) {
        int hashCode = 1;
        int i = fromIndex;
        while (i < toIndex) {
            hashCode = 31 * hashCode + Float.floatToIntBits(a[i]);
            ++i;
        }
        return hashCode;
    }

    public static int hashCode(double[] a, int fromIndex, int toIndex) {
        int hashCode = 1;
        int i = fromIndex;
        while (i < toIndex) {
            long v = Double.doubleToLongBits(a[i]);
            hashCode = 31 * hashCode + (int) (v ^ (v >>> 32));
            ++i;
        }
        return hashCode;
    }
}

Related

  1. hashCode(Iterable iterable)
  2. hashCode(long a[])
  3. hashCode(long longVal)
  4. hashCode(long value)
  5. hashCode(long x)
  6. hashCode(Object a)
  7. hashCode(Object array)
  8. hashCode(Object o)
  9. hashCode(Object o)