org.terrier.compression.integer.codec.util

Class Delta

java.lang.Object

org.terrier.compression.integer.codec.util.Delta

public final class Delta
extends Object

Utility class to calculate d-gaps in an array

Since:

4.0

Author:

Matteo Catena

Constructor Summary

Constructors

Constructor and Description
Delta()

Method Summary

Methods

Modifier and Type	Method and Description
static void	delta(int[] data, int len)
static void	delta(long[] data, int len)
static void	inverseDelta(int[] data, int len)
static void	inverseDelta(long[] data, int len)

Methods inherited from class java.lang.Object

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

Constructor Detail

Delta

public Delta()

Method Detail

delta

public static final void delta(int[] data,
         int len)

Parameters:

data -

len - the number of elements to consider

delta

public static final void delta(long[] data,
         int len)

Parameters:

data -

len - the number of elements to consider

inverseDelta

public static final void inverseDelta(int[] data,
                int len)

Parameters:

data -

len - the number of elements to consider

inverseDelta

public static final void inverseDelta(long[] data,
                int len)

Parameters:

data -

len - the number of elements to consider