FitPrintService.h

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// ************************************************************************** //
//
//  BornAgain: simulate and fit scattering at grazing incidence
//
//! @file      Core/Fitting/FitPrintService.h
//! @brief     Defines class FitPrintService.
//!
//! @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_FITTING_FITPRINTSERVICE_H
#define BORNAGAIN_CORE_FITTING_FITPRINTSERVICE_H
 
#include "Fit/Tools/WallclockTimer.h"
#include <string>
 
class FitObjective;
 
//! Prints fit statistics to standard output during minimizer iterations.
 
class FitPrintService
{
public:
    FitPrintService();
 
    void print(const FitObjective& objective);
 
private:
    std::string iterationHeaderString(const FitObjective& objective);
    std::string wallTimeString();
    std::string parameterString(const FitObjective& objective);
    std::string fitResultString(const FitObjective& objective);
 
    WallclockTimer m_run_time;
    WallclockTimer m_last_call_time;
};
 
#endif // BORNAGAIN_CORE_FITTING_FITPRINTSERVICE_H