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// -*- C++ -*-

// Copyright (C) 2005, 2006, 2009 Free Software Foundation, Inc.

//

// This file is part of the GNU ISO C++ Library.  This library 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, or (at your option) any later

// version.

// This library 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 this library; see the file COPYING3.  If not see

// <http://www.gnu.org/licenses/>.

// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.

// Permission to use, copy, modify, sell, and distribute this software

// is hereby granted without fee, provided that the above copyright

// notice appears in all copies, and that both that copyright notice

// and this permission notice appear in supporting documentation. None

// of the above authors, nor IBM Haifa Research Laboratories, make any

// representation about the suitability of this software for any

// purpose. It is provided "as is" without express or implied

// warranty.

/**

 * @file prog_bar.cpp

 * Contains a progress bar - idea taken from boost::timer by Beman Dawes.

 */

#include <util/io/prog_bar.hpp>

namespace __gnu_pbds

{

  namespace test

  {

    prog_bar::

    prog_bar(size_t max, std::ostream& r_os, bool display/*= true*/) :

      m_cur(0),

      m_max(max),

      m_cur_disp(0),

      m_r_os(r_os),

      m_display(display)

    {

      if (m_display == false)

        return;

      for (std::size_t i = 0; i < num_disp; ++i)

        m_r_os << "-";

      m_r_os << std::endl;

    }

    void

    prog_bar::

    inc()

    {

      ++m_cur;

      if (m_display == false)

        return;

      while (m_cur * num_disp >= m_max * m_cur_disp && m_cur_disp < num_disp)

        {

          m_r_os << '*';

          m_r_os.flush();

          ++m_cur_disp;

        }

    }

  } // namespace test

} // namespace __gnu_pbds