/*

Copyright (C) 1994-2016 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_gepbalance_h)
#define octave_gepbalance_h 1

#include "octave-config.h"

#include <string>

namespace octave
{
namespace math
{

template <typename T>
class
gepbalance
{
public:

  typedef typename T::real_matrix_type RT;

  gepbalance (void)
    : balanced_mat (), balanced_mat2 (), balancing_mat (), balancing_mat2 ()
  { }

  gepbalance (const T& a, const T& b, const std::string& job)
    : balanced_mat (), balanced_mat2 (), balancing_mat (), balancing_mat2 ()
  {
    init (a, b, job);
  }

  gepbalance (const gepbalance& a)
    : balanced_mat (a.balanced_mat), balanced_mat2 (a.balanced_mat2),
      balancing_mat (a.balancing_mat), balancing_mat2 (a.balancing_mat2)
  { }

  gepbalance& operator = (const gepbalance& a)
  {
    if (this != &a)
      {
        balanced_mat = a.balanced_mat;
        balanced_mat2 = a.balanced_mat2;
        balancing_mat = a.balancing_mat;
        balancing_mat2 = a.balancing_mat2;
      }

    return *this;
  }

  ~gepbalance (void) { }

  T balanced_matrix (void) const { return balanced_mat; }

  T balanced_matrix2 (void) const { return balanced_mat2; }

  RT balancing_matrix (void) const { return balancing_mat; }

  RT balancing_matrix2 (void) const { return balancing_mat2; }

private:

  T balanced_mat;
  T balanced_mat2;
  RT balancing_mat;
  RT balancing_mat2;

  octave_idx_type init (const T& a, const T& b, const std::string& job);
};

}
}

#endif