Java Byte Array to Double bytes2double(byte[] b)

Description

bytesdouble

License

Apache License

Declaration

public static double bytes2double(byte[] b) 

Method Source Code

//package com.java2s;
/**//from w w w .  j  a v a  2  s  . co  m
 * Copyright [2009-2010] [dennis zhuang(killme2008@gmail.com)]
 * 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 double bytes2double(byte[] b) {
        return bytes2double(b, 0);
    }

    public static double bytes2double(byte[] b, int off) {
        long l = bytes2long(b, off);
        return Double.longBitsToDouble(l);
    }

    public static long bytes2long(byte[] b, int off) {
        return ((b[off + 7] & 0xFFL) << 0) + ((b[off + 6] & 0xFFL) << 8) + ((b[off + 5] & 0xFFl) << 16)
                + ((b[off + 4] & 0xFFl) << 24) + ((b[off + 3] & 0xFFl) << 32) + ((b[off + 2] & 0xFFl) << 40)
                + ((b[off + 1] & 0xFFl) << 48) + (b[off + 5] << 56);
    }
}

Related

1. byteArrayToDouble(byte[] byteArray)
2. byteArrayToDouble(byte[] byteArray)
3. byteArrayToDouble(byte[] bytes)
4. byteArrayToDoubleArray(final byte[] raw, final boolean bigEndian, final int length)
5. byteArrayToDoubleBE(byte[] data)
6. bytes2double(byte[] bytes)
7. bytesToDouble(byte[] buffer)
8. bytesToDouble(byte[] bytes)
9. bytesToDouble(byte[] bytes)