DASSL.h

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////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 1996-2023 The Octave Project Developers
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// See the file COPYRIGHT.md in the top-level directory of this
// distribution or <https://octave.org/copyright/>.
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// This file is part of Octave.
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////////////////////////////////////////////////////////////////////////
 
#if ! defined (octave_DASSL_h)
#define octave_DASSL_h 1
 
#include "octave-config.h"
 
#include <string>
 
#include "mx-fwd.h"
 
#include "Array.h"
#include "DASSL-opts.h"
 
class
OCTAVE_API
DASSL : public DAE, public DASSL_options
{
public:
 
  DASSL (void)
    : DAE (), DASSL_options (), m_initialized (false), m_liw (0), m_lrw (0),
      m_info (), m_iwork (), m_rwork (), m_abs_tol (), m_rel_tol () { }
 
  DASSL (const ColumnVector& s, double tm, DAEFunc& f)
    : DAE (s, tm, f), DASSL_options (), m_initialized (false), m_liw (0),
      m_lrw (0), m_info (), m_iwork (), m_rwork (), m_abs_tol (), m_rel_tol ()
  { }
 
  DASSL (const ColumnVector& s, const ColumnVector& deriv,
         double tm, DAEFunc& f)
    : DAE (s, deriv, tm, f), DASSL_options (), m_initialized (false),
      m_liw (0), m_lrw (0), m_info (), m_iwork (), m_rwork (), m_abs_tol (),
      m_rel_tol () { }
 
  ~DASSL (void) = default;
 
  ColumnVector do_integrate (double t);
 
  Matrix do_integrate (const ColumnVector& tout);
 
  Matrix do_integrate (const ColumnVector& tout, const ColumnVector& tcrit);
 
  Matrix integrate (const ColumnVector& tout, Matrix& xdot_out);
 
  Matrix integrate (const ColumnVector& tout, Matrix& xdot_out,
                    const ColumnVector& tcrit);
 
  std::string error_message (void) const;
 
private:
 
  bool m_initialized;
 
  octave_f77_int_type m_liw;
  octave_f77_int_type m_lrw;
 
  Array<octave_f77_int_type> m_info;
  Array<octave_f77_int_type> m_iwork;
 
  Array<double> m_rwork;
 
  Array<double> m_abs_tol;
  Array<double> m_rel_tol;
};
 
#endif