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+/*
+
+Copyright (C) 2002 John W. Eaton
+
+This file is part of Octave.
+
+Octave is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 2, or (at your option) any
+later version.
+
+Octave 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 General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with Octave; see the file COPYING.  If not, write to the Free
+Software Foundation, 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+*/
+
+#if !defined (octave_ODESFunc_h)
+#define octave_ODESFunc_h 1
+
+#include "dMatrix.h"
+
+class
+ODESFunc
+{
+public:
+
+  struct DAEJac
+    {
+      Matrix *dfdxdot;
+      Matrix *dfdx;
+    };
+
+  typedef ColumnVector (*ODES_fsub) (double, const ColumnVector& x,
+				     const ColumnVector& theta); 
+
+  typedef ColumnVector (*ODES_bsub) (double, const ColumnVector& x,
+				     const ColumnVector& theta, int column);
+
+  typedef Matrix (*ODES_jsub) (double, const ColumnVector& x,
+			       const ColumnVector& theta);
+
+  ODESFunc (void)
+    : fsub (0), bsub (0), jsub (0) { }
+
+  ODESFunc (ODES_fsub f)
+    : fsub (f), bsub (0), jsub (0) { }
+
+  ODESFunc (ODES_fsub f, ODES_bsub b)
+    : fsub (f), bsub (b), jsub (0) { }
+
+  ODESFunc (ODES_fsub f, ODES_bsub b, ODES_jsub j)
+    : fsub (f), bsub (b), jsub (j) { }
+
+  ODESFunc (const ODESFunc& a)
+    : fsub (a.fsub), bsub (a.bsub), jsub (a.jsub) { }
+
+  ODESFunc& operator = (const ODESFunc& a)
+    {
+      if (this != &a)
+	{
+	  fsub = a.fsub;
+	  bsub = a.bsub;
+	  jsub = a.jsub;
+	}
+      return *this;
+    }
+
+  ~ODESFunc (void) { }
+
+  ODES_fsub fsub_function (void) const { return fsub; }
+
+  ODESFunc& set_fsub_function (ODES_fsub f)
+    {
+      fsub = f;
+      return *this;
+    }
+
+  ODES_bsub bsub_function (void) const { return bsub; }
+
+  ODESFunc& set_bsub_function (ODES_bsub b)
+    {
+      bsub = b;
+      return *this;
+    }
+
+  ODES_jsub jsub_function (void) const { return jsub; }
+
+  ODESFunc& set_jsub_function (ODES_jsub j)
+    {
+      jsub = j;
+      return *this;
+    }
+
+protected:
+
+  ODES_fsub fsub;
+  ODES_bsub bsub;
+  ODES_jsub jsub;
+};
+
+#endif
+
+/*
+;;; Local Variables: ***
+;;; mode: C++ ***
+;;; End: ***
+*/
+
+
+
+