text: /*
  ** Copyright (C) 1998-2006 George Tzanetakis <gtzan@cs.uvic.ca>
  **
  ** This program is free software; you can redistribute it and/or modify
  ** it under the terms of the GNU General Public License as published by
  ** the Free Software Foundation; either version 2 of the License, or
  ** (at your option) any later version.
  **
  ** This program is distributed in the hope that it will be useful,
  ** but WITHOUT ANY WARRANTY; without even the implied warranty of
  ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  ** GNU General Public License for more details.
  **
  ** You should have received a copy of the GNU General Public License
  ** along with this program; if not, write to the Free Software
  ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  */
  
  #ifndef MARSYAS_KURTOSIS_H
  #define MARSYAS_KURTOSIS_H
  
  #include <marsyas/system/MarSystem.h>
  
  namespace Marsyas
  {
  /**
  	\ingroup Analysis
  
  	Calculate the Kurtosis of the input observations. Typically used
  	for characterizing the magnitude spectrum.
  */
  
  
  class Kurtosis: public MarSystem
  {
  private:
    void myUpdate(MarControlPtr sender);
  
    realvec obsrow_;
    mrs_real z_;
    mrs_real b_;
    mrs_real q_;
  public:
    Kurtosis(std::string name);
    ~Kurtosis();
    MarSystem* clone() const;
  
    void myProcess(realvec& in, realvec& out);
  };
  
  }//namespace Marsyas
  
  #endif
  