Recorder_least_squares.hpp

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// Copyright 2019, University of Maryland and the MANGO development team.
//
// This file is part of MANGO.
//
// MANGO is free software: you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// MANGO 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with MANGO.  If not, see
// <https://www.gnu.org/licenses/>.
 
#ifndef MANGO_RECORDER_LEAST_SQUARES_H
#define MANGO_RECORDER_LEAST_SQUARES_H
 
#include <fstream>
#include "Least_squares_solver.hpp"
#include "Recorder.hpp"
 
namespace mango {
 
class Recorder_least_squares : public Recorder {
private:
  Least_squares_solver* solver;
  std::ofstream output_file;
  void write_file_line(int function_evaluations, clock_t print_time, const double* x, double f, double* residuals);
 
public:
  Recorder_least_squares(Least_squares_solver*);
  void init();
  void record_function_evaluation(int function_evaluations, clock_t print_time, const double* x, double f);
  void finalize();
};
 
}
 
#endif