/*

Copyright (C) 1994-2011 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 3 of the License, 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, see
<http://www.gnu.org/licenses/>.

*/

#if !defined (octave_FloatQRP_h)
#define octave_FloatQRP_h 1

#include <iosfwd>

#include "floatQR.h"
#include "PermMatrix.h"
#include "fColVector.h"

class
OCTAVE_API
FloatQRP : public FloatQR
{
public:

  FloatQRP (void) : FloatQR (), p () { }

  FloatQRP (const FloatMatrix&, qr_type_t = qr_type_std);

  FloatQRP (const FloatQRP& a) : FloatQR (a), p (a.p) { }

  FloatQRP& operator = (const FloatQRP& a)
    {
      if (this != &a)
        {
          FloatQR::operator = (a);
          p = a.p;
        }

      return *this;
    }

  ~FloatQRP (void) { }

  void init (const FloatMatrix&, qr_type_t = qr_type_std);

  PermMatrix P (void) const { return p; }

  FloatRowVector Pvec (void) const;

  friend std::ostream&  operator << (std::ostream&, const FloatQRP&);

protected:

  PermMatrix p;
};

#endif