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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.hpp

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

 */

#ifndef PB_DS_PROG_BAR_HPP

#define PB_DS_PROG_BAR_HPP

#include <limits.h>

#include <iostream>

#include <string>

namespace __gnu_pbds

{

  namespace test

  {

    /**

     * Progress bar.

     * Simplified from part of boost::timer by Beman Dawes.

     **/

    class prog_bar

    {

    protected:

      enum{num_disp = 40};

    public:

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

      void

      inc();

    private:

      prog_bar(const prog_bar& );

      prog_bar&

      operator=(const prog_bar& );

    private:

      size_t m_cur;

      const size_t m_max;

      size_t m_cur_disp;

      std::ostream& m_r_os;

      bool m_display;

    };

  } // namespace test

} // namespace __gnu_pbds

#endif // #ifndef PB_DS_PROG_BAR_HPP