c@256: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
c@256: /*
c@256:     QM DSP Library
c@256: 
c@256:     Centre for Digital Music, Queen Mary, University of London.
c@256:     This file copyright 2008 Kurt Jacobson.
c@309: 
c@309:     This program is free software; you can redistribute it and/or
c@309:     modify it under the terms of the GNU General Public License as
c@309:     published by the Free Software Foundation; either version 2 of the
c@309:     License, or (at your option) any later version.  See the file
c@309:     COPYING included with this distribution for more information.
c@256: */
c@256: 
cannam@489: #ifndef QM_DSP_COSINEDISTANCE_H
cannam@489: #define QM_DSP_COSINEDISTANCE_H
c@256: 
c@256: #include <vector>
c@256: #include <math.h>
c@256: 
c@256: using std::vector;
c@256: 
c@256: class CosineDistance
c@256: {
c@256: public:
c@256:     CosineDistance() { }
c@256:     ~CosineDistance() { }
c@256: 
c@256:     double distance(const vector<double> &v1, const vector<double> &v2);
c@256: 
c@256: protected:
c@256:     double dist, dDenTot, dDen1, dDen2, dSum1;
c@256: };
c@256: 
c@256: #endif
c@256: