Package com.couchbase.lite

Class VectorEncoding

java.lang.Object

com.couchbase.lite.VectorEncoding

public abstract class VectorEncoding
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	VectorEncoding.ScalarQuantizerType	Scalar Quantizer Encoding Type

Method Summary

Modifier and Type	Method	Description
static VectorEncoding	none()	No encoding; 4 bytes per dimension, no data loss
static VectorEncoding	productQuantizer(long subquantizers, long bits)	Product Quantizer encoding.
static VectorEncoding	scalarQuantizer(VectorEncoding.ScalarQuantizerType type)	Scalar Quantizer encoding

Methods inherited from class java.lang.Object

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

Method Details

none

@NonNull
public static VectorEncoding none()

No encoding; 4 bytes per dimension, no data loss

scalarQuantizer

@NonNull
public static VectorEncoding scalarQuantizer(@NonNull
 VectorEncoding.ScalarQuantizerType type)

Scalar Quantizer encoding

productQuantizer

@NonNull
public static VectorEncoding productQuantizer(long subquantizers,
 long bits)

Product Quantizer encoding.

Parameters:

subquantizers - Number of subquantizers (divisor of the # of dimension.)

bits - Number of bits: between 4 and 12 inclusive.