qm-dsp  1.8
KLDivergence.h
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00001 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
00002 
00003 /*
00004     QM DSP Library
00005 
00006     Centre for Digital Music, Queen Mary, University of London.
00007     This file copyright 2008 QMUL.
00008 
00009     This program is free software; you can redistribute it and/or
00010     modify it under the terms of the GNU General Public License as
00011     published by the Free Software Foundation; either version 2 of the
00012     License, or (at your option) any later version.  See the file
00013     COPYING included with this distribution for more information.
00014 */
00015 
00016 #ifndef KLDIVERGENCE_H
00017 #define KLDIVERGENCE_H
00018 
00019 #include <vector>
00020 
00021 using std::vector;
00022 
00026 class KLDivergence
00027 {
00028 public:
00029     KLDivergence() { }
00030     ~KLDivergence() { }
00031 
00037     double distanceGaussian(const vector<double> &means1,
00038                             const vector<double> &variances1,
00039                             const vector<double> &means2,
00040                             const vector<double> &variances2);
00041 
00048     double distanceDistribution(const vector<double> &d1,
00049                                 const vector<double> &d2,
00050                                 bool symmetrised);
00051 };
00052 
00053 #endif
00054