de.haumacher.msgbuf.binary

Class BinaryUtil

java.lang.Object

de.haumacher.msgbuf.binary.BinaryUtil

public class BinaryUtil
extends Object

Utilities for binary value encoding.

Constructor Summary

Constructors

Constructor and Description
BinaryUtil()

Method Summary

Modifier and Type	Method and Description
static int	zigzagDecode(int value) Decodes the result of zigzagEncode(int) to its original signed value.
static long	zigzagDecode(long value) Decodes the result of zigzagEncode(long) to its original signed value.
static int	zigzagEncode(int value) Zig-zag encodes the given int producing a small positive number for inputs with small absolute value.
static long	zigzagEncode(long value) Zig-zag encodes the given long producing a small positive number for inputs with small absolute value.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

BinaryUtil

public BinaryUtil()

Method Detail

zigzagEncode

public static int zigzagEncode(int value)

Zig-zag encodes the given int producing a small positive number for inputs with small absolute value.

Parameters:

value - The value to encode.

Returns:

The zig-zag encoded value.

zigzagEncode

public static long zigzagEncode(long value)

Zig-zag encodes the given long producing a small positive number for inputs with small absolute value.

Parameters:

value - The value to encode.

Returns:

The zig-zag encoded value.

zigzagDecode

public static int zigzagDecode(int value)

Decodes the result of zigzagEncode(int) to its original signed value.

Parameters:

value - The value to decode.

Returns:

The zig-zag decoded value.

zigzagDecode

public static long zigzagDecode(long value)

Decodes the result of zigzagEncode(long) to its original signed value.

Parameters:

value - The value to decode.

Returns:

The zig-zag decoded value.