DAERTFunc.h

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// Copyright (C) 2002-2021 The Octave Project Developers
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// See the file COPYRIGHT.md in the top-level directory of this
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#if ! defined (octave_DAERTFunc_h)
#define octave_DAERTFunc_h 1
 
#include "octave-config.h"
 
#include "DAEFunc.h"
 
class
DAERTFunc : public DAEFunc
{
public:
 
  typedef ColumnVector (*DAERTConstrFunc) (const ColumnVector& x, double t);
 
  DAERTFunc (void)
    : DAEFunc (), constr (nullptr), reset (true) { }
 
  DAERTFunc (DAERHSFunc f)
    : DAEFunc (f), constr (nullptr), reset (true) { }
 
  DAERTFunc (DAERHSFunc f, DAEJacFunc j)
    : DAEFunc (f, j), constr (nullptr), reset (true) { }
 
  DAERTFunc (DAERHSFunc f, DAERTConstrFunc cf)
    : DAEFunc (f), constr (cf), reset (true) { }
 
  DAERTFunc (DAERHSFunc f, DAERTConstrFunc cf, DAEJacFunc j)
    : DAEFunc (f, j), constr (cf), reset (true) { }
 
  DAERTFunc (const DAERTFunc& a)
    : DAEFunc (a), constr (a.constr), reset (a.reset) { }
 
  DAERTFunc& operator = (const DAERTFunc& a)
  {
    if (this != &a)
      {
        DAEFunc::operator = (a);
        constr = a.constr;
        reset = a.reset;
      }
    return *this;
  }
 
  virtual ~DAERTFunc (void) = default;
 
  DAERTConstrFunc constraint_function (void) const { return constr; }
 
  DAERTFunc& set_constraint_function (DAERTConstrFunc cf)
  {
    constr = cf;
    reset = true;
    return *this;
  }
 
protected:
 
  DAERTConstrFunc constr;
 
  // This variable is TRUE when this object is constructed, and also
  // after any internal data has changed.  Derived classes may use
  // this information (and change it) to know when to (re)initialize
  // their own internal data related to this object.
 
  bool reset;
};
 
#endif