PowderPatternBackgroundBayesianMinimiser.h

/*  ObjCryst++ Object-Oriented Crystallographic Library
    (c) 2000-2002 Vincent Favre-Nicolin vincefn@users.sourceforge.net
        2000-2001 University of Geneva (Switzerland)
 
    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
*/
/*   PowderPatternBackgroundBayesianMinimiser.h
*  Bayesian estimation of powder pattern background
*
*/
#ifndef __POWDERPATTERNBACKGROUNDBAYESIANMINIMISER_H
#define __POWDERPATTERNBACKGROUNDBAYESIANMINIMISER_H
 
#include "ObjCryst/CrystVector/CrystVector.h"
#include "ObjCryst/RefinableObj/RefinableObj.h"
#include "ObjCryst/ObjCryst/PowderPattern.h"
 
namespace ObjCryst
{
class PowderPatternBackgroundBayesianMinimiser:public RefinableObj
{
   public:
      PowderPatternBackgroundBayesianMinimiser(PowderPatternBackground &backgd);
      ~PowderPatternBackgroundBayesianMinimiser();
      virtual const string& GetClassName()const;
      virtual REAL GetLogLikelihood()const;
      virtual unsigned int  GetNbLSQFunction () const ;
      virtual const CrystVector_REAL &  GetLSQCalc (const unsigned int) const;
      virtual const CrystVector_REAL &  GetLSQObs (const unsigned int) const;
      virtual const CrystVector_REAL &  GetLSQWeight (const unsigned int) const;
   //private:
   static REAL BayesianBackgroundLogLikelihood(const REAL t);
   PowderPatternBackground *mpBackground;
   mutable CrystVector_REAL mBayesianCalc;
   mutable CrystVector_REAL mBayesianObs;
   mutable CrystVector_REAL mBayesianWeight;
};
 
}//namespace
#endif //__POWDERPATTERNBACKGROUNDBAYESIANMINIMISER_H