Marsyas  0.6.0-alpha
/usr/src/RPM/BUILD/marsyas-0.6.0/src/marsyas/marsystems/RunningStatistics.h
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00001 /*
00002 ** Copyright (C) 2009 Stefaan Lippens <soxofaan@gmail.com>
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_RUNNINGSTATISTICS_H
00020 #define MARSYAS_RUNNINGSTATISTICS_H
00021 
00022 #include <marsyas/system/MarSystem.h>
00023 
00024 namespace Marsyas
00025 {
00048 class RunningStatistics: public MarSystem
00049 {
00050 private:
00051 
00053   void addControls();
00054 
00056   void myUpdate(MarControlPtr sender);
00057 
00059   realvec sumxBuffer_;
00060 
00062   realvec sumx2Buffer_;
00063 
00065   realvec sumx3Buffer_;
00066 
00068   mrs_natural samplecounter_;
00069 
00071   MarControlPtr ctrl_enable_mean_;
00073   mrs_bool enable_mean_;
00074 
00076   MarControlPtr ctrl_enable_stddev_;
00078   mrs_bool enable_stddev_;
00079 
00081   MarControlPtr ctrl_enable_skewness_;
00083   mrs_bool enable_skewsness_;
00084 
00086   MarControlPtr ctrl_clear_;
00087 
00089   MarControlPtr ctrl_clearPerTick_;
00090 
00092   void clear(void);
00093 
00094 public:
00095   RunningStatistics(std::string name);
00096   RunningStatistics(const RunningStatistics& a);
00097   ~RunningStatistics();
00098   MarSystem* clone() const;
00099 
00101   void myProcess(realvec& in, realvec& out);
00102 };
00103 
00104 }
00105 //namespace Marsyas
00106 
00107 #endif
00108 //MARSYAS_RUNNINGSTATISTICS_H
00109