Marsyas
0.6.0-alpha
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00001 /* 00002 ** Copyright (C) 1998-2006 George Tzanetakis <gtzan@cs.uvic.ca> 00003 ** 00004 ** This program is free software; you can redistribute it and/or modify 00005 ** it under the terms of the GNU General Public License as published by 00006 ** the Free Software Foundation; either version 2 of the License, or 00007 ** (at your option) any later version. 00008 ** 00009 ** This program is distributed in the hope that it will be useful, 00010 ** but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00012 ** GNU General Public License for more details. 00013 ** 00014 ** You should have received a copy of the GNU General Public License 00015 ** along with this program; if not, write to the Free Software 00016 ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 00017 */ 00018 00019 #ifndef MARSYAS_PCA_H 00020 #define MARSYAS_PCA_H 00021 00022 #include <marsyas/system/MarSystem.h> 00023 00024 #include <string> 00025 00026 namespace Marsyas 00027 { 00042 class PCA: public MarSystem 00043 { 00044 private: 00045 void addControls(); 00046 void myUpdate(MarControlPtr sender); 00047 00048 realvec in_data_; 00049 realvec corr_matrix_; 00050 realvec temp_matrix_; 00051 mrs_real* evals_; 00052 mrs_real* interm_; 00053 mrs_natural dims_; 00054 mrs_natural npc_; 00055 realvec npcs_; 00056 00057 realvec means_; 00058 realvec stds_; 00059 00060 public: 00061 PCA(std::string name); 00062 PCA(const PCA& a); 00063 ~PCA(); 00064 MarSystem* clone() const; 00065 00066 void myProcess(realvec& in, realvec& out); 00067 void tred2(realvec &a, mrs_natural m, mrs_real *d, mrs_real *e); 00068 void tqli(mrs_real d[], mrs_real e[], mrs_natural m, realvec &z); 00069 00070 }; 00071 00072 }//namespace Marsyas 00073 00074 #endif