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dbleLU.h
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1996-10-12
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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_LU_h)
#define octave_LU_h 1
class ostream;
#include "dMatrix.h"
extern "C++" {
class LU
{
friend class Matrix;
public:
LU (void) {}
LU (const Matrix& a);
LU (const LU& a);
LU& operator = (const LU& a);
Matrix L (void) const;
Matrix U (void) const;
Matrix P (void) const;
friend ostream& operator << (ostream& os, const LU& a);
private:
Matrix l;
Matrix u;
Matrix p;
};
inline LU::LU (const LU& a)
{
l = a.l;
u = a.u;
p = a.p;
}
inline LU& LU::operator = (const LU& a)
{
l = a.l;
u = a.u;
p = a.p;
return *this;
}
inline Matrix LU::L (void) const
{
return l;
}
inline Matrix LU::U (void) const
{
return u;
}
inline Matrix LU::P (void) const
{
return p;
}
} // extern "C++"
#endif
/*
;;; Local Variables: ***
;;; mode: C++ ***
;;; page-delimiter: "^/\\*" ***
;;; End: ***
*/