ceph/src/boost/boost/compute/algorithm/fill_n.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_ALGORITHM_FILL_N_HPP
  12 #define BOOST_COMPUTE_ALGORITHM_FILL_N_HPP
  13
  14 #include <boost/static_assert.hpp>
  15
  16 #include <boost/compute/system.hpp>
  17 #include <boost/compute/command_queue.hpp>
  18 #include <boost/compute/algorithm/fill.hpp>
  19 #include <boost/compute/type_traits/is_device_iterator.hpp>
  20
  21 namespace boost {
  22 namespace compute {
  23
  24 /// Fills the range [\p first, \p first + count) with \p value.
  25 ///
  26 /// Space complexity: \Omega(1)
  27 ///
  28 /// \see fill()
  29 template<class BufferIterator, class Size, class T>
  30 inline void fill_n(BufferIterator first,
  31                    Size count,
  32                    const T &value,
  33                    command_queue &queue = system::default_queue())
  34 {
  35     BOOST_STATIC_ASSERT(is_device_iterator<BufferIterator>::value);
  36     ::boost::compute::fill(first, first + count, value, queue);
  37 }
  38
  39 } // end compute namespace
  40 } // end boost namespace
  41
  42 #endif // BOOST_COMPUTE_ALGORITHM_FILL_N_HPP