DASSL.h

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////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 1996-2021 The Octave Project Developers
//
// 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_DASSL_h)
#define octave_DASSL_h 1
 
#include "octave-config.h"
 
#include <string>
 
#include "Array.h"
#include "DASSL-opts.h"
 
class Matrix;
 
class
OCTAVE_API
DASSL : public DAE, public DASSL_options
{
public:
 
  DASSL (void)
    : DAE (), DASSL_options (), initialized (false), liw (0), lrw (0),
      info (), iwork (), rwork (), abs_tol (), rel_tol () { }
 
  DASSL (const ColumnVector& s, double tm, DAEFunc& f)
    : DAE (s, tm, f), DASSL_options (), initialized (false), liw (0),
      lrw (0), info (), iwork (), rwork (), abs_tol (), rel_tol () { }
 
  DASSL (const ColumnVector& s, const ColumnVector& deriv,
         double tm, DAEFunc& f)
    : DAE (s, deriv, tm, f), DASSL_options (), initialized (false),
      liw (0), lrw (0), info (), iwork (), rwork (), abs_tol (),
      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 initialized;
 
  octave_f77_int_type liw;
  octave_f77_int_type lrw;
 
  Array<octave_f77_int_type> info;
  Array<octave_f77_int_type> iwork;
 
  Array<double> rwork;
 
  Array<double> abs_tol;
  Array<double> rel_tol;
};
 
#endif