gepbalance.h

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////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 1994-2022 The Octave Project Developers
//
// See the file COPYRIGHT.md in the top-level directory of this
// distribution or <https://octave.org/copyright/>.
//
// 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.
//
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
// along with Octave; see the file COPYING.  If not, see
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////////////////////////////////////////////////////////////////////////
 
#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)
        : m_balanced_mat (), m_balanced_mat2 (), m_balancing_mat (),
          m_balancing_mat2 ()
      { }
 
      gepbalance (const T& a, const T& b, const std::string& job)
        : m_balanced_mat (), m_balanced_mat2 (), m_balancing_mat (),
          m_balancing_mat2 ()
      {
        init (a, b, job);
      }
 
      gepbalance (const gepbalance& a)
        : m_balanced_mat (a.m_balanced_mat),
          m_balanced_mat2 (a.m_balanced_mat2),
          m_balancing_mat (a.m_balancing_mat),
          m_balancing_mat2 (a.m_balancing_mat2)
      { }
 
      gepbalance& operator = (const gepbalance& a)
      {
        if (this != &a)
          {
            m_balanced_mat = a.m_balanced_mat;
            m_balanced_mat2 = a.m_balanced_mat2;
            m_balancing_mat = a.m_balancing_mat;
            m_balancing_mat2 = a.m_balancing_mat2;
          }
 
        return *this;
      }
 
      ~gepbalance (void) = default;
 
      T balanced_matrix (void) const { return m_balanced_mat; }
 
      T balanced_matrix2 (void) const { return m_balanced_mat2; }
 
      RT balancing_matrix (void) const { return m_balancing_mat; }
 
      RT balancing_matrix2 (void) const { return m_balancing_mat2; }
 
    private:
 
      T m_balanced_mat;
      T m_balanced_mat2;
      RT m_balancing_mat;
      RT m_balancing_mat2;
 
      OCTAVE_API octave_idx_type
      init (const T& a, const T& b, const std::string& job);
    };
  }
}
 
#endif