ceph/src/boost/libs/chrono/include/boost/chrono/ceil.hpp

   1 //  boost/chrono/round.hpp  ------------------------------------------------------------//
   2
   3 //  (C) Copyright Howard Hinnant
   4 //  Copyright 2011 Vicente J. Botet Escriba
   5
   6 //  Distributed under the Boost Software License, Version 1.0. (See accompanying
   7 //  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   8
   9 //  See http://www.boost.org/libs/chrono for documentation.
  10
  11 #ifndef BOOST_CHRONO_CEIL_HPP
  12 #define BOOST_CHRONO_CEIL_HPP
  13
  14 #include <boost/chrono/duration.hpp>
  15
  16 namespace boost
  17 {
  18   namespace chrono
  19   {
  20
  21     /**
  22      * rounds up
  23      */
  24     template <class To, class Rep, class Period>
  25     To ceil(const duration<Rep, Period>& d)
  26     {
  27         To t = duration_cast<To>(d);
  28         if (t < d)
  29             ++t;
  30         return t;
  31     }
  32
  33   } // namespace chrono
  34 } // namespace boost
  35
  36 #endif