cannam@31: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
cannam@31: 
cannam@31: /*
cannam@31:     QM DSP Library
cannam@31: 
cannam@31:     Centre for Digital Music, Queen Mary, University of London.
cannam@31:     This file copyright 2008 Kurt Jacobson.
Chris@84: 
Chris@84:     This program is free software; you can redistribute it and/or
Chris@84:     modify it under the terms of the GNU General Public License as
Chris@84:     published by the Free Software Foundation; either version 2 of the
Chris@84:     License, or (at your option) any later version.  See the file
Chris@84:     COPYING included with this distribution for more information.
cannam@31: */
cannam@31: 
cannam@31: #ifndef COSINEDISTANCE_H
cannam@31: #define COSINEDISTANCE_H
cannam@31: 
cannam@31: #include <vector>
cannam@31: #include <math.h>
cannam@31: 
cannam@31: using std::vector;
cannam@31: 
cannam@31: class CosineDistance
cannam@31: {
cannam@31: public:
cannam@31:     CosineDistance() { }
cannam@31:     ~CosineDistance() { }
cannam@31: 
cannam@31:     double distance(const vector<double> &v1, const vector<double> &v2);
cannam@31: 
cannam@31: protected:
cannam@31:     double dist, dDenTot, dDen1, dDen2, dSum1;
cannam@31: };
cannam@31: 
cannam@31: #endif
cannam@31: