qm-dsp
1.8
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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 Kurt Jacobson. 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 COSINEDISTANCE_H 00017 #define COSINEDISTANCE_H 00018 00019 #include <vector> 00020 #include <math.h> 00021 00022 using std::vector; 00023 00024 class CosineDistance 00025 { 00026 public: 00027 CosineDistance() { } 00028 ~CosineDistance() { } 00029 00030 double distance(const vector<double> &v1, const vector<double> &v2); 00031 00032 protected: 00033 double dist, dDenTot, dDen1, dDen2, dSum1; 00034 }; 00035 00036 #endif 00037