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- // -*- 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_DET_h)
- #define octave_DET_h 1
-
- class ostream;
-
- extern "C++" {
-
- class DET
- {
- friend class Matrix;
-
- public:
-
- DET (void);
-
- DET (const DET& a);
-
- DET& operator = (const DET& a);
-
- int value_will_overflow (void) const;
- int value_will_underflow (void) const;
- double coefficient (void) const;
- int exponent (void) const;
- double value (void) const;
-
- friend ostream& operator << (ostream& os, const DET& a);
-
- private:
-
- DET (const double *d);
-
- double det [2];
- };
-
- inline DET::DET (void)
- {
- }
-
- inline DET::DET (const DET& a)
- {
- det[0] = a.det[0];
- det[1] = a.det[1];
- }
-
- inline DET& DET::operator = (const DET& a)
- {
- det[0] = a.det[0];
- det[1] = a.det[1];
- return *this;
- }
-
- inline DET::DET (const double *d)
- {
- det[0] = d[0];
- det[1] = d[1];
- }
-
- } // extern "C++"
-
- #endif
-
- /*
- ;;; Local Variables: ***
- ;;; mode: C++ ***
- ;;; page-delimiter: "^/\\*" ***
- ;;; End: ***
- */
-