//                                  -*- C++ -*-
/*

Copyright (C) 1996 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, 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

*/

#if !defined (octave_ComplexHESS_h)
#define octave_ComplexHESS_h 1

#if defined (__GNUG__)
#pragma interface
#endif

class ostream;

#include "CMatrix.h"

class
ComplexHESS
{
public:

  ComplexHESS (void) : hess_mat (), unitary_hess_mat () { }

  ComplexHESS (const ComplexMatrix& a) { init (a); }

  ComplexHESS (const ComplexMatrix& a, int& info) { info = init (a); }

  ComplexHESS (const ComplexHESS& a)
    : hess_mat (a.hess_mat), unitary_hess_mat (a.unitary_hess_mat) { }

  ComplexHESS& operator = (const ComplexHESS& a)
    {
      if (this != &a)
	{
	  hess_mat = a.hess_mat;
	  unitary_hess_mat = a.unitary_hess_mat;
	}
      return *this;
    }

  ~ComplexHESS (void) { }

  ComplexMatrix hess_matrix (void) const { return hess_mat; }

  ComplexMatrix unitary_hess_matrix (void) const
    {
      return unitary_hess_mat;
    }

  friend ostream& operator << (ostream& os, const ComplexHESS& a);

private:

  ComplexMatrix hess_mat;
  ComplexMatrix unitary_hess_mat;

  int init (const ComplexMatrix& a);
};

#endif

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