Fitter.h

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//# Copyright (C) 2005
//# Associated Universities, Inc. Washington DC, USA.
//#
//# This library is free software; you can redistribute it and/or modify it
//# under the terms of the GNU Library General Public License as published by
//# the Free Software Foundation; either version 2 of the License, or (at your
//# option) any later version.
//#
//# This library 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 Library General Public
//# License for more details.
//#
//# You should have received a copy of the GNU Library General Public License
//# along with this library; if not, write to the Free Software Foundation,
//# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
//#
//# Correspondence concerning AIPS++ should be addressed as follows:
//#        Internet email: aips2-request@nrao.edu.
//#        Postal address: AIPS++ Project Office
//#                        National Radio Astronomy Observatory
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#ifndef FITTER_H_
#define FITTER_H_

#include <casa/Arrays/Vector.h>
#include <QString>
#include <QTextStream>

namespace casa {

class Fitter {
public:
        Fitter();
        void setData( casacore::Vector<casacore::Float> xValues, casacore::Vector<casacore::Float> yValues );
        virtual void restrictDomain( double xMin, double xMax );
        virtual void clearDomainLimits();
        void setUnits( QString units );
        casacore::Vector<casacore::Float> getFitValues() const;
        casacore::Vector<casacore::Float> getFitValuesX() const;
        virtual bool doFit() = 0;
        virtual void clearFit();

        virtual void toAscii( QTextStream& out ) const;
        bool isFit() const;
        virtual QString getSolutionStatistics() const = 0;
        QString getErrorMessage() const;
        QString getStatusMessage() const;
        virtual ~Fitter();

protected:
        QString formatResultLine( QString label, float value, bool endLine = true ) const;
        float solutionChiSquared;
        bool solutionConverged;

        casacore::Vector<casacore::Float> actualXValues;
        casacore::Vector<casacore::Float> actualYValues;
        casacore::Vector<casacore::Float> fitValues;
        double domainMin;
        double domainMax;
        QString errorMsg;
        QString statusMsg;
        QString units;
        bool dataFitted;
        float getMean() const;
        void resetDataWithLimits();
private:

        casacore::Vector<casacore::Float> xValues;
        casacore::Vector<casacore::Float> yValues;


};

} /* namespace casa */
#endif /* FITTER_H_ */