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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file Fit/Kernel/Minimizer.h
//! @brief Defines class Minimizer.
//!
//! @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_FIT_KERNEL_MINIMIZER_H
#define BORNAGAIN_FIT_KERNEL_MINIMIZER_H
#include "Fit/Minimizer/MinimizerResult.h"
#include "Fit/Minimizer/Types.h"
#include <functional>
#include <memory>
#include <string>
#include <vector>
class IMinimizer;
//! The multi-library, multi-algorithm fit wrapper library.
namespace mumufit {
class Kernel;
//! A main class to run fitting.
// NOTE: The mechanism to accept a Python function as minimization objective is implemented
// in the corresponding SWIG header.
class Minimizer {
public:
Minimizer();
~Minimizer();
void setMinimizer(const std::string& minimizerName, const std::string& algorithmName = "",
const std::string& options = "");
void setMinimizer(IMinimizer* minimizer);
#ifndef SWIG
MinimizerResult minimize(fcn_scalar_t fcn, const Parameters& parameters) const;
MinimizerResult minimize(fcn_residual_t fcn, const Parameters& parameters) const;
#endif // SWIG
private:
std::unique_ptr<Kernel> m_kernel;
};
} // namespace mumufit
#endif // BORNAGAIN_FIT_KERNEL_MINIMIZER_H
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