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- // FEGrid.h -*- C++ -*-
- /*
-
- Copyright (C) 1992, 1993, 1994, 1995 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, 675 Mass Ave, Cambridge, MA 02139, USA.
-
- */
-
- #if !defined (octave_FEGrid_h)
- #define octave_FEGrid_h 1
-
- class ostream;
-
- #include "dColVector.h"
-
- extern "C++" {
-
- #ifndef Vector
- #define Vector ColumnVector
- #endif
-
- class FEGrid
- {
- public:
-
- FEGrid (void);
- FEGrid (const Vector& elbnds);
- FEGrid (int nel, double width);
- FEGrid (int nel, double left, double right);
-
- int in_bounds (double x) const;
-
- int element (double x) const;
-
- double left (void) const;
- double right (void) const;
-
- Vector element_boundaries (void) const;
-
- friend ostream& operator << (ostream&, const FEGrid&);
-
- protected:
-
- Vector elem;
-
- private:
-
- void error (const char* msg) const;
- void nel_error (void) const;
-
- void check_grid (void) const;
- };
-
- inline FEGrid::FEGrid (void) {}
-
- inline FEGrid::FEGrid (const Vector& elbnds)
- { elem = elbnds; check_grid (); }
-
- inline int FEGrid::in_bounds (double x) const
- { return (x >= left () && x <= right ()); }
-
- inline double FEGrid::left (void) const
- { return elem.elem (0); }
-
- inline double FEGrid::right (void) const
- { return elem.elem (elem.capacity () - 1); }
-
- inline Vector FEGrid::element_boundaries (void) const
- { return elem; }
-
- } // extern "C++"
-
- #endif
-
- /*
- ;;; Local Variables: ***
- ;;; mode: C++ ***
- ;;; page-delimiter: "^/\\*" ***
- ;;; End: ***
- */
-