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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_QR_h)
#define octave_QR_h 1
class ostream;
#include "dMatrix.h"
extern "C++" {
class QR
{
public:
enum type
{
std,
raw,
economy,
};
QR (void) {}
QR (const Matrix& A, type qr_type = QR::std);
QR (const QR& a);
QR& operator = (const QR& a);
Matrix Q (void) const;
Matrix R (void) const;
friend ostream& operator << (ostream& os, const QR& a);
protected:
Matrix q;
Matrix r;
};
inline QR::QR (const QR& a)
{
q = a.q;
r = a.r;
}
inline QR& QR::operator = (const QR& a)
{
q = a.q;
r = a.r;
return *this;
}
inline Matrix QR::Q (void) const
{
return q;
}
inline Matrix QR::R (void) const
{
return r;
}
} // extern "C++"
#endif
/*
;;; Local Variables: ***
;;; mode: C++ ***
;;; page-delimiter: "^/\\*" ***
;;; End: ***
*/
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