Xapian::CosineDistance Class Reference

Class for calculating the cosine distance between two documents. More...

#include <cluster.h>

Inheritance diagram for Xapian::CosineDistance:

Collaboration diagram for Xapian::CosineDistance:

Public Member Functions
double	similarity (const PointType &a, const PointType &b) const override
	Calculates and returns the cosine similarity using the formula cos(theta) = a.b/(|a|*|b|) More...
std::string	get_description () const override
	Return a string describing this object. More...
Public Member Functions inherited from Xapian::Similarity
virtual	~Similarity ()
	Destructor. More...

Detailed Description

Class for calculating the cosine distance between two documents.

Definition at line 538 of file cluster.h.

Member Function Documentation

get_description()

std::string Xapian::CosineDistance::get_description ( ) const

overridevirtual

Return a string describing this object.

Implements Xapian::Similarity.

similarity()

double Xapian::CosineDistance::similarity ( const PointType &  a, const PointType &  b  ) const

overridevirtual

Calculates and returns the cosine similarity using the formula cos(theta) = a.b/(|a|*|b|)

Implements Xapian::Similarity.

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The documentation for this class was generated from the following file:

• include/xapian/cluster.h