ChiSquaredModule.h

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// ************************************************************************** //
//
//  BornAgain: simulate and fit scattering at grazing incidence
//
//! @file      Device/Instrument/ChiSquaredModule.h
//! @brief     Defines class ChiSquaredModule.
//!
//! @homepage  http://www.bornagainproject.org
//! @license   GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2018
//! @authors   Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
// ************************************************************************** //
 
#ifndef BORNAGAIN_CORE_INSTRUMENT_CHISQUAREDMODULE_H
#define BORNAGAIN_CORE_INSTRUMENT_CHISQUAREDMODULE_H
 
#include "Device/Instrument/IChiSquaredModule.h"
 
//! Calculation of chi2 between two data sets.
//! @ingroup fitting
 
class ChiSquaredModule : public IChiSquaredModule
{
public:
    ChiSquaredModule() {}
    ChiSquaredModule(const ChiSquaredModule& other) : IChiSquaredModule(other) {}
    virtual ~ChiSquaredModule() {}
 
    virtual ChiSquaredModule* clone() const { return new ChiSquaredModule(*this); }
 
    virtual double residual(double a, double b, double weight);
};
 
#endif // BORNAGAIN_CORE_INSTRUMENT_CHISQUAREDMODULE_H