QFitter.hh

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#ifndef _Q_FITTER_HH_
#define _Q_FITTER_HH_
 
#include "QError.hh"
#include "QDiana.hh"
#include "QVector.hh"
#include "QMathFunction.hh"
 
Q_BEGIN_NAMESPACE
 
class QFitter : public QMathFunction
{
    public:
 
        #ifndef __CINT__
        QFitter(QRoutinePointer funcpointer, unsigned int NParameters, double LowBound, double UpBound);
        #endif
        
        QFitter(const QMathFunction& func);
 
        ~QFitter();
        
        void SetParameter(unsigned int p, double val, double min, double max);
 
        void SetParameter(unsigned int p, const char* name, double val, double min, double max);
        
        void FixParameter(unsigned int p, double val);
        
        void FixParameter(unsigned int p, const char* name, double val);
 
        void Print();
 
        void PrintResult();
        
        QError Fit(const QVector& data, double minfit, double maxfit, double binsize);
 
        QError Fit(const QVector& data, double error, double minfit, double maxfit, double binsize);
 
        QError Fit(const QVector& data, const QVector& errors, double minfit, double maxfit, double binsize);
 
        QMathFunction GetFittedFunction();
 
        QVector& GetResiduals() {return fResiduals;}
 
        double GetChiSquare() {return fChiSquare;}
 
        void SetTF1(TF1& f1);
 
    private:
 
        static double RootRoutine(double* x, double* params);
 
        static const QMathFunction* fFunctionP;
 
        double* fParMin;
        double* fParMax;
        double* fParErr;
        bool* fIsFixed;
 
        QVector fResiduals;
        QVector fErrors;
        double fChiSquare;
 
};
 
Q_END_NAMESPACE
 
#endif