Package_gsl.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_PACKAGE_GSL_H
#define MANGO_PACKAGE_GSL_H
 
#ifdef MANGO_GSL_AVAILABLE
#include <gsl/gsl_vector.h>
#include <gsl/gsl_matrix.h>
#endif
 
namespace mango {
 
  class Solver;
  class Least_squares_solver;
 
  class Package_gsl : public Package {
  private:
#ifdef MANGO_GSL_AVAILABLE
    static int gsl_residual_function(const gsl_vector*, void*, gsl_vector*);
    static int gsl_residual_function_and_Jacobian(const gsl_vector*, void*, gsl_matrix*);
    static double gsl_objective_function(const gsl_vector*, void*);
    static void gsl_gradient(const gsl_vector*, void*, gsl_vector*);
    static void gsl_objective_function_and_gradient(const gsl_vector*, void*, double*, gsl_vector*);
#endif
 
  public:
    void optimize(Solver*);
    void optimize_least_squares(Least_squares_solver*);
  };
}
 
#endif