LauAbsFitter.hh

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// Copyright University of Warwick 2013 - 2013.
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

// Authors:
// Thomas Latham
// John Back
// Paul Harrison

#ifndef LAU_ABS_FITTER
#define LAU_ABS_FITTER

#include <utility>
#include <vector>

#include "Rtypes.h"
#include "TMatrixDfwd.h"

class LauFitObject;
class LauParameter;


class LauAbsFitter {

        public:
                virtual ~LauAbsFitter() {}


                virtual void initialise( LauFitObject* fitObj, const std::vector<LauParameter*>& parameters ) = 0;

                virtual LauFitObject* getFitObject() =0;

                virtual UInt_t nParameters() const = 0;

                virtual UInt_t nFreeParameters() const = 0;

                virtual Bool_t twoStageFit() const = 0;


                virtual void twoStageFit(Bool_t doTwoStageFit) = 0;

                virtual Bool_t useAsymmFitErrors() const = 0;


                virtual void useAsymmFitErrors(Bool_t useAsymmErrors) = 0;


                virtual std::pair<Int_t,Double_t> minimise() = 0;

                virtual void fixFirstStageParameters() = 0;

                virtual void releaseFirstStageParameters() = 0;

                virtual void fixSecondStageParameters() = 0;

                virtual void releaseSecondStageParameters() = 0;

                virtual void updateParameters() = 0;

                virtual const TMatrixD& covarianceMatrix() const = 0;

        protected:
                LauAbsFitter() {}

        private:
                LauAbsFitter( const LauAbsFitter& );

                LauAbsFitter& operator=( const LauAbsFitter& rhs );

                ClassDef(LauAbsFitter,0);
};

#endif