de.lmu.ifi.dbs.elki.distance.similarityfunction
Interface PrimitiveSimilarityFunction<O,D extends Distance<D>>

Type Parameters:

O - object type

D - distance type

All Superinterfaces:

InspectionUtilFrequentlyScanned, Parameterizable, SimilarityFunction<O,D>

All Known Subinterfaces:

NormalizedPrimitiveSimilarityFunction<O,D>

All Known Implementing Classes:

AbstractDBIDSimilarityFunction, AbstractPrimitiveSimilarityFunction, FooKernelFunction, LinearKernelFunction, PolynomialKernelFunction

public interface PrimitiveSimilarityFunction<O,D extends Distance<D>>
extends SimilarityFunction<O,D>

Interface SimilarityFunction describes the requirements of any similarity function.

Method Summary

SimpleTypeInformation<? super O>	getInputTypeRestriction() Get the input data type of the function.
D	similarity(O o1, O o2) Computes the similarity between two given DatabaseObjects according to this similarity function.

Methods inherited from interface de.lmu.ifi.dbs.elki.distance.similarityfunction.SimilarityFunction

getDistanceFactory, instantiate, isSymmetric

Method Detail

similarity

D similarity(O o1,
             O o2)

Computes the similarity between two given DatabaseObjects according to this similarity function.

Parameters:

o1 - first DatabaseObject

o2 - second DatabaseObject

Returns:

the similarity between two given DatabaseObjects according to this similarity function

getInputTypeRestriction

SimpleTypeInformation<? super O> getInputTypeRestriction()

Description copied from interface: SimilarityFunction

Get the input data type of the function.

Specified by:

getInputTypeRestriction in interface SimilarityFunction<O,D extends Distance<D>>