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//opt/cpanel/ea-ruby27/src/passenger-release-6.1.2/src/cxx_supportlib/vendor-modified/boost/chrono/round.hpp

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//  boost/chrono/round.hpp  ------------------------------------------------------------//

//  (C) Copyright Howard Hinnant
//  Copyright 2011 Vicente J. Botet Escriba

//  Distributed under the Boost Software License, Version 1.0. (See accompanying
//  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

//  See http://www.boost.org/libs/chrono for documentation.

#ifndef BOOST_CHRONO_ROUND_HPP
#define BOOST_CHRONO_ROUND_HPP

#include <boost/chrono/duration.hpp>
#include <boost/chrono/duration.hpp>
//#include <boost/chrono/typeof/boost/chrono/chrono.hpp>

namespace boost
{
  namespace chrono
  {

/**
     * rounds to nearest, to even on tie
     */
    template <class To, class Rep, class Period>
    To round(const duration<Rep, Period>& d)
    {
        typedef typename common_type<To, duration<Rep, Period> >::type  result_type;
        result_type diff0;
        result_type diff1;

To t0 = duration_cast<To>(d);
        To t1 = t0;
        if (t0>d) {
          --t1;
          diff0 = t0 - d;
          diff1 = d - t1;
        } else {
          ++t1;
          diff0 = d - t0;
          diff1 = t1 - d;
        }

if (diff0 == diff1)
        {
            if (t0.count() & 1)
                return t1;
            return t0;
        }
        else if (diff0 < diff1)
            return t0;
        return t1;
    }

} // namespace chrono
} // namespace boost

#endif

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ceil.hpp	811 B	lrw-r--r--	2026-01-27 23:50:52	Edit Download recursive recursive
chrono.hpp	459 B	lrw-r--r--	2026-01-27 23:50:52	Edit Download recursive recursive
chrono_io.hpp	1.02 KB	lrw-r--r--	2026-01-27 23:50:52	Edit Download recursive recursive
clock_string.hpp	523 B	lrw-r--r--	2026-01-27 23:50:52	Edit Download recursive recursive
config.hpp	7.33 KB	lrw-r--r--	2026-01-27 23:50:52	Edit Download recursive recursive
duration.hpp	29.70 KB	lrw-r--r--	2026-01-27 23:50:52	Edit Download recursive recursive
floor.hpp	797 B	lrw-r--r--	2026-01-27 23:50:52	Edit Download recursive recursive
include.hpp	746 B	lrw-r--r--	2026-01-27 23:50:52	Edit Download recursive recursive
process_cpu_clocks.hpp	17.41 KB	lrw-r--r--	2026-01-27 23:50:52	Edit Download recursive recursive
round.hpp	1.39 KB	lrw-r--r--	2026-01-27 23:50:52	Edit Download recursive recursive
system_clocks.hpp	8.53 KB	lrw-r--r--	2026-01-27 23:50:52	Edit Download recursive recursive
thread_clock.hpp	2.20 KB	lrw-r--r--	2026-01-27 23:50:52	Edit Download recursive recursive
time_point.hpp	12.75 KB	lrw-r--r--	2026-01-27 23:50:52	Edit Download recursive recursive

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