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/*
Copyright (C) 1996, 1997 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, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
*/
#if !defined (octave_QR_h)
#define octave_QR_h 1
#if defined (__GNUG__) && defined (USE_PRAGMA_INTERFACE_IMPLEMENTATION)
#pragma interface
#endif
#include <iostream>
#include "dMatrix.h"
class
QR
{
public:
enum type
{
std,
raw,
economy
};
QR (void) : q (), r () { }
QR (const Matrix&, QR::type = QR::std);
QR (const QR& a) : q (a.q), r (a.r) { }
QR& operator = (const QR& a)
{
if (this != &a)
{
q = a.q;
r = a.r;
}
return *this;
}
~QR (void) { }
void init (const Matrix&, QR::type);
Matrix Q (void) const { return q; }
Matrix R (void) const { return r; }
friend std::ostream& operator << (std::ostream&, const QR&);
protected:
Matrix q;
Matrix r;
};
#endif
/*
;;; Local Variables: ***
;;; mode: C++ ***
;;; End: ***
*/
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