Package org.apache.lucene.util.quantization

Class ScalarQuantizedVectorSimilarity.DotProduct

java.lang.Object

org.apache.lucene.util.quantization.ScalarQuantizedVectorSimilarity.DotProduct

All Implemented Interfaces:

ScalarQuantizedVectorSimilarity

Enclosing interface:

ScalarQuantizedVectorSimilarity

public static class ScalarQuantizedVectorSimilarity.DotProduct
extends Object
implements ScalarQuantizedVectorSimilarity

Calculates dot product on quantized vectors, applying the appropriate corrections

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.lucene.util.quantization.ScalarQuantizedVectorSimilarity

ScalarQuantizedVectorSimilarity.ByteVectorComparator, ScalarQuantizedVectorSimilarity.DotProduct, ScalarQuantizedVectorSimilarity.Euclidean, ScalarQuantizedVectorSimilarity.MaximumInnerProduct

Constructor Summary

Constructors

Constructor	Description
DotProduct(float constMultiplier, ScalarQuantizedVectorSimilarity.ByteVectorComparator comparator)

Method Summary

Modifier and Type	Method	Description
float	score(byte[] queryVector, float queryOffset, byte[] storedVector, float vectorOffset)

Methods inherited from class java.lang.Object

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

Constructor Detail

DotProduct

public DotProduct(float constMultiplier,
                  ScalarQuantizedVectorSimilarity.ByteVectorComparator comparator)

Method Detail

score

public float score(byte[] queryVector,
                   float queryOffset,
                   byte[] storedVector,
                   float vectorOffset)

Specified by:

score in interface ScalarQuantizedVectorSimilarity