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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