xapian-core  1.5.0
Public Member Functions | List of all members
Xapian::CosineDistance Class Reference

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

+ Inheritance diagram for Xapian::CosineDistance:

Public Member Functions

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

Detailed Description

Class for calculating the cosine distance between two documents.


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