ceph/src/boost/libs/chrono/stopwatches/include/boost/chrono/stopwatches/collectors/laps_accumulator_set.hpp

   1 //  boost/chrono/stopwatches/collectors/laps_accumulator_set.hpp
   2 //  Copyright 2011 Vicente J. Botet Escriba
   3 //  Distributed under the Boost Software License, Version 1.0.
   4 //  (See accompanying file LICENSE_1_0.txt or
   5 //   copy at http://www.boost.org/LICENSE_1_0.txt)
   6 //  See http://www.boost.org/libs/chrono/stopwatches for documentation.
   7
   8 #ifndef BOOST_CHRONO_STOPWATCHES_MEMORIES_LAPS_ACCUMULATOR_SET_HPP
   9 #define BOOST_CHRONO_STOPWATCHES_MEMORIES_LAPS_ACCUMULATOR_SET_HPP
  10
  11 #include <boost/chrono/stopwatches/collectors/last_lap.hpp>
  12 #include <boost/accumulators/framework/accumulator_set.hpp>
  13 #include <boost/accumulators/statistics/count.hpp>
  14 #include <boost/accumulators/statistics/sum.hpp>
  15 #include <boost/accumulators/statistics/min.hpp>
  16 #include <boost/accumulators/statistics/max.hpp>
  17 #include <boost/accumulators/statistics/mean.hpp>
  18 #include <boost/accumulators/accumulators.hpp>
  19 #include <boost/accumulators/framework/features.hpp>
  20
  21 namespace boost
  22 {
  23   namespace chrono
  24   {
  25
  26     template<
  27       typename Duration,
  28       typename Features = accumulators::features<accumulators::tag::count,
  29         accumulators::tag::sum, accumulators::tag::min,
  30         accumulators::tag::max, accumulators::tag::mean>,
  31       typename Weight = void>
  32     struct laps_accumulator_set : last_lap<Duration>
  33     {
  34       typedef last_lap<Duration> base_type;
  35       typedef Duration duration;
  36       typedef typename duration::rep rep;
  37       typedef accumulators::accumulator_set<rep, Features,
  38           Weight> storage_type;
  39       storage_type acc_;
  40
  41       void store(duration const& d)
  42       {
  43         this->base_type::store(d);
  44         acc_(d.count());
  45       }
  46
  47       void reset()
  48       {
  49         this->base_type::reset();
  50         acc_ = storage_type();
  51       }
  52
  53       storage_type const& accumulator_set() const  { return acc_; }
  54
  55       duration elapsed() const  { return duration(accumulators::sum(acc_)); }
  56
  57     };
  58
  59
  60   } // namespace chrono
  61 } // namespace boost
  62
  63
  64 #endif
  65
  66