Package com.oracle.coherence.ai.distance

Class L2SquaredDistance<T>

java.lang.Object

com.oracle.coherence.ai.distance.AbstractDistance<T>

com.oracle.coherence.ai.distance.L2SquaredDistance<T>

All Implemented Interfaces:

DistanceAlgorithm<T>, ExternalizableLite, PortableObject, Serializable

public class L2SquaredDistance<T>
extends AbstractDistance<T>

A DistanceAlgorithm that performs an L2 squared distance calculation between two vectors.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
L2SquaredDistance()

Method Summary

Modifier and Type	Method	Description
protected double	distance(byte[] v1, byte[] v2)	Calculate the distance between two Int8 (byte) vectors.
protected double	distance(float[] v1, float[] v2)	Calculate the distance between two Float32 (float) vectors.
protected double	distance(BitSet v1, BitSet v2)	Calculate the distance between two bit vectors.

Methods inherited from class com.oracle.coherence.ai.distance.AbstractDistance

distance, readExternal, readExternal, writeExternal, writeExternal

Methods inherited from class java.lang.Object

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

Constructor Details

L2SquaredDistance

public L2SquaredDistance()

Method Details

distance

protected double distance(BitSet v1,
 BitSet v2)

Description copied from class: AbstractDistance

Calculate the distance between two bit vectors.

Specified by:

distance in class AbstractDistance<T>

Parameters:

v1 - the first bit vector

v2 - the second bit vector

Returns:

the distance between the two bit vectors

distance

protected double distance(byte[] v1,
 byte[] v2)

Description copied from class: AbstractDistance

Calculate the distance between two Int8 (byte) vectors.

Specified by:

distance in class AbstractDistance<T>

Parameters:

v1 - the first Int8 vector

v2 - the second Int8 vector

Returns:

the distance between the two Int8 vectors

distance

protected double distance(float[] v1,
 float[] v2)

Description copied from class: AbstractDistance

Calculate the distance between two Float32 (float) vectors.

Specified by:

distance in class AbstractDistance<T>

Parameters:

v1 - the first Float32 vector

v2 - the second Float32 vector

Returns:

the distance between the two Float32 vectors