Package it.unimi.dsi.sux4j.mph.codec

Class Codec.Gamma.Coder.Decoder

java.lang.Object

it.unimi.dsi.sux4j.mph.codec.Codec.Gamma.Coder.Decoder

All Implemented Interfaces:

Codec.Decoder, java.io.Serializable

Enclosing class:

Codec.Gamma.Coder

protected static final class Codec.Gamma.Coder.Decoder
extends java.lang.Object
implements Codec.Decoder

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
Decoder(int maxCodewordLength)

Method Summary

Modifier and Type	Method	Description
long	decode(long code)	Decodes a stream of bits.
long	numBits()	The number of bits used by this decoder.

Methods inherited from class java.lang.Object

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

Constructor Detail

Decoder

public Decoder(int maxCodewordLength)

Method Detail

decode

public long decode(long code)

Description copied from interface: Codec.Decoder

Decodes a stream of bits.

This method assumes that its input is stream of Codec.Coder.maxCodewordLength() bits, and that the first bit of the code is the leftmost bit (i.e., the bit of index Codec.Coder.maxCodewordLength() − 1).

Specified by:

decode in interface Codec.Decoder

Parameters:

code - a stream of bits.

Returns:

the symbol associated with the first instantaneous code appearing in the stream.

numBits

public long numBits()

Description copied from interface: Codec.Decoder

The number of bits used by this decoder.

Specified by:

numBits in interface Codec.Decoder

Returns:

the number of bits used by this decoder.