Java Double Number Create toDouble(final byte[] array, final int offset, final int length)

Description

to Double

License

Apache License

Declaration

public static double toDouble(final byte[] array, final int offset, final int length) 

Method Source Code

//package com.java2s;
/*//from   w w  w  . jav a  2  s.  c o m
 * DISCLAIMER
 *
 * Copyright 2016 ArangoDB GmbH, Cologne, Germany
 *
 * 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.
 *
 * Copyright holder is ArangoDB GmbH, Cologne, Germany
 */

public class Main {
    private static final int DOUBLE_BYTES = 8;

    public static double toDouble(final byte[] array, final int offset, final int length) {
        return Double.longBitsToDouble(toLong(array, offset, DOUBLE_BYTES));
    }

    public static long toLong(final byte[] array, final int offset, final int length) {
        long result = 0;
        for (int i = (offset + length - 1); i >= offset; i--) {
            result <<= 8;
            result |= (array[i] & 0xFF);
        }
        return result;
    }
}

Related

1. toDouble(byte[] data)
2. toDouble(byte[] data)
3. toDouble(byte[] data, int offset)
4. toDouble(byte[] si, boolean isReverseOrder)
5. toDouble(byte[] value)
6. toDouble(final byte[] bytes)
7. toDouble(final byte[] bytes)
8. toDouble(final byte[] inputBytes, final int offset)
9. toDouble(final int[] a, final int len)