# Uses of Class
org.apache.lucene.queries.function.valuesource.VectorSimilarityFunction

Packages that use VectorSimilarityFunction
Package
Description
org.apache.lucene.queries.function.valuesource
A variety of functions to use with FunctionQuery.

## Uses of VectorSimilarityFunction in org.apache.lucene.queries.function.valuesource

Subclasses of VectorSimilarityFunction in org.apache.lucene.queries.function.valuesource
Modifier and Type
Class
Description
`class`
`ByteVectorSimilarityFunction`
`ByteVectorSimilarityFunction` returns a similarity function between two knn vectors with byte elements.
`class`
`FloatVectorSimilarityFunction`
`FloatVectorSimilarityFunction` returns a similarity function between two knn vectors with float elements.