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// SPDX-License-Identifier: LGPL-3.0-or-later
// Author: Kristian Lytje
#pragma once
#include <mini/Minimizer.h>
namespace ausaxs::mini {
/**
* @brief A scanning minimizer.
* This algorithm performs a simple scan of the chi2 landscape, and then uses a local minimizer to find the minimum.
* This should only be used for relatively simple optimization problems.
*/
class Scan : public Minimizer {
public:
Scan() = default;
Scan(double(&func)(std::vector<double>), unsigned int evals = 100);
Scan(std::function<double(std::vector<double>)> func, unsigned int evals = 100);
Scan(double(&func)(std::vector<double>), const Parameter& param, unsigned int evals = 100);
Scan(std::function<double(std::vector<double>)> func, const Parameter& param, unsigned int evals = 100);
/**
* @brief Destructor.
*/
virtual ~Scan() override = default;
/**
* @brief Generate a landscape of the function.
*/
mini::Landscape landscape(unsigned int evals) override;
void add_parameter(const Parameter& param) override;
private:
/**
* @brief Perform the minimization.
*/
Result minimize_override() override;
};
}
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