ceph/src/boost/libs/hana/benchmark/fold_left/execute.hana.tuple.erb.cpp

   1 // Copyright Louis Dionne 2013-2017
   2 // Copyright Zach Laine 2014
   3 // Distributed under the Boost Software License, Version 1.0.
   4 // (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
   5
   6 #include <boost/hana/fold_left.hpp>
   7 #include <boost/hana/tuple.hpp>
   8
   9 #include "measure.hpp"
  10 #include <cstdlib>
  11
  12
  13 int main () {
  14     boost::hana::benchmark::measure([] {
  15         long double result = 0;
  16         for (int iteration = 0; iteration < 1 << 10; ++iteration) {
  17             auto values = boost::hana::make_tuple(
  18                 <%= input_size.times.map { 'std::rand()' }.join(', ') %>
  19             );
  20
  21             result += boost::hana::fold_left(values, 0, [](auto state, auto t) {
  22                 return state + t;
  23             });
  24         }
  25     });
  26 }