CosineDistance.h

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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
 
/*
    QM DSP Library
 
    Centre for Digital Music, Queen Mary, University of London.
    This file copyright 2008 Kurt Jacobson.
 
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License as
    published by the Free Software Foundation; either version 2 of the
    License, or (at your option) any later version.  See the file
    COPYING included with this distribution for more information.
*/
 
#ifndef COSINEDISTANCE_H
#define COSINEDISTANCE_H
 
#include <vector>
#include <math.h>
 
using std::vector;
 
class CosineDistance
{
public:
    CosineDistance() { }
    ~CosineDistance() { }
 
    double distance(const vector<double> &v1, const vector<double> &v2);
 
protected:
    double dist, dDenTot, dDen1, dDen2, dSum1;
};
 
#endif