ceph/src/boost/boost/compute/experimental/tabulate.hpp

   1 //---------------------------------------------------------------------------//
   2 // Copyright (c) 2013 Kyle Lutz <kyle.r.lutz@gmail.com>
   3 //
   4 // Distributed under the Boost Software License, Version 1.0
   5 // See accompanying file LICENSE_1_0.txt or copy at
   6 // http://www.boost.org/LICENSE_1_0.txt
   7 //
   8 // See http://boostorg.github.com/compute for more information.
   9 //---------------------------------------------------------------------------//
  10
  11 #ifndef BOOST_COMPUTE_EXPERIMENTAL_TABULATE_HPP
  12 #define BOOST_COMPUTE_EXPERIMENTAL_TABULATE_HPP
  13
  14 #include <iterator>
  15
  16 #include <boost/compute/algorithm/transform.hpp>
  17 #include <boost/compute/iterator/counting_iterator.hpp>
  18
  19 namespace boost {
  20 namespace compute {
  21 namespace experimental {
  22
  23 template<class Iterator, class UnaryFunction>
  24 inline void tabulate(Iterator first,
  25                      Iterator last,
  26                      UnaryFunction function,
  27                      command_queue &queue)
  28 {
  29     size_t n = detail::iterator_range_size(first, last);
  30
  31     ::boost::compute::transform(
  32         ::boost::compute::make_counting_iterator<int>(0),
  33         ::boost::compute::make_counting_iterator<int>(n),
  34         first,
  35         function,
  36         queue
  37     );
  38 }
  39
  40 } // end experimental namespace
  41 } // end compute namespace
  42 } // end boost namespace
  43
  44 #endif // BOOST_COMPUTE_EXPERIMENTAL_TABULATE_HPP