Java Number Swap swapDouble(double value)

Description

Converts a "double" value between endian systems.

License

Apache License

Parameter

Parameter	Description
value	value to convert

Return

the converted value

Declaration

public static double swapDouble(double value) 

Method Source Code

//package com.java2s;
/*/*ww w . j av  a2s .c  o m*/
 * Copyright 2001-2004 The Apache Software Foundation.
 *
 * 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 {
    /**
     * Converts a "double" value between endian systems.
     * @param value value to convert
     * @return the converted value
     */
    public static double swapDouble(double value) {
        return Double.longBitsToDouble(swapLong(Double.doubleToLongBits(value)));
    }

    /**
     * Converts a "long" value between endian systems.
     * @param value value to convert
     * @return the converted value
     */
    public static long swapLong(long value) {
        return (((value >> 0) & 0xff) << 56) + (((value >> 8) & 0xff) << 48) + (((value >> 16) & 0xff) << 40)
                + (((value >> 24) & 0xff) << 32) + (((value >> 32) & 0xff) << 24) + (((value >> 40) & 0xff) << 16)
                + (((value >> 48) & 0xff) << 8) + (((value >> 56) & 0xff) << 0);
    }
}

Related

1. swapBits(int b, int i, int j)
2. swapByte(byte b)
3. swapBytes(final int i)
4. swapCasing(String str)
5. swapDouble(double value)
6. swapFloat(float floatValue)
7. swapFloat(float value)
8. swapInt(int i)
9. swapInt(int i)