LSODE.h

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////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 1996-2022 The Octave Project Developers
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// See the file COPYRIGHT.md in the top-level directory of this
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// This file is part of Octave.
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////////////////////////////////////////////////////////////////////////
 
#if ! defined (octave_LSODE_h)
#define octave_LSODE_h 1
 
#include "octave-config.h"
 
#include <string>
 
#include "Array.h"
#include "LSODE-opts.h"
 
class
OCTAVE_API
LSODE : public ODE, public LSODE_options
{
public:
 
  LSODE (void)
    : ODE (), LSODE_options (), m_initialized (false), m_method_flag (0),
      m_itask (0), m_iopt (0), m_itol (0), m_liw (0), m_lrw (0),
      m_iwork (), m_rwork (), m_rel_tol (0.0), m_abs_tol () { }
 
  LSODE (const ColumnVector& s, double tm, const ODEFunc& f)
    : ODE (s, tm, f), LSODE_options (), m_initialized (false),
      m_method_flag (0), m_itask (0), m_iopt (0), m_itol (0), m_liw (0),
      m_lrw (0), m_iwork (), m_rwork (), m_rel_tol (0.0), m_abs_tol () { }
 
  ~LSODE (void) = default;
 
  ColumnVector do_integrate (double t);
 
  Matrix do_integrate (const ColumnVector& tout);
 
  Matrix do_integrate (const ColumnVector& tout, const ColumnVector& tcrit);
 
  std::string error_message (void) const;
 
private:
 
  bool m_initialized;
 
  octave_f77_int_type m_method_flag;
  octave_f77_int_type m_itask;
  octave_f77_int_type m_iopt;
  octave_f77_int_type m_itol;
 
  octave_f77_int_type m_liw;
  octave_f77_int_type m_lrw;
 
  Array<octave_f77_int_type> m_iwork;
  Array<double> m_rwork;
 
  double m_rel_tol;
 
  Array<double> m_abs_tol;
};
 
#endif