slicot_expm.hpp

/*
 *    This file is part of CasADi.
 *
 *    CasADi -- A symbolic framework for dynamic optimization.
 *    Copyright (C) 2010-2023 Joel Andersson, Joris Gillis, Moritz Diehl,
 *                            KU Leuven. All rights reserved.
 *    Copyright (C) 2011-2014 Greg Horn
 *
 *    CasADi 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.
 *
 *    CasADi 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 CasADi; if not, write to the Free Software
 *    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 */
 
 
#ifndef CASADI_SLICOT_EXPM_HPP
#define CASADI_SLICOT_EXPM_HPP
 
#include "../../core/expm_impl.hpp"
#include "../../core/linsol.hpp"
#include <casadi/interfaces/slicot/casadi_expm_slicot_export.h>
 
namespace casadi {
 
 
  // Forward declaration
  class SlicotExpm;
 
  struct  SlicotExpmMemory : public FunctionMemory {
 
    double *A, *H;
    double *dwork;
    int* iwork;
 
    SlicotExpmMemory() {}
 
    ~SlicotExpmMemory() {}
  };
 
  class  SlicotExpm : public Expm {
  public:
    explicit SlicotExpm();
 
    SlicotExpm(const std::string& name, const Sparsity& A);
 
    static Expm* creator(const std::string& name,
                          const Sparsity& A) {
      return new SlicotExpm(name, A);
    }
 
    ~SlicotExpm() override;
 
    // Get name of the plugin
    const char* plugin_name() const override { return "slicot";}
 
    // Get name of the class
    std::string class_name() const override { return "SlicotExpm";}
 
    void init(const Dict& opts) override;
 
    void* alloc_mem() const override { return new SlicotExpmMemory();}
 
    int init_mem(void* mem) const override;
 
    void free_mem(void *mem) const override { delete static_cast<SlicotExpmMemory*>(mem);}
 
    void set_work(void* mem, const double**& arg, double**& res,
                          casadi_int*& iw, double*& w) const override;
 
    int eval(const double** arg, double** res, casadi_int* iw, double* w, void* mem) const override;
 
    static const std::string meta_doc;
 
 
  private:
 
    casadi_int n_;
 
    static bool has_loaded_;
  };
 
} // namespace casadi
 
#endif // CASADI_SLICOT_EXPM_HPP