/usr/include/boost/compute/algorithm
Edit: /usr/include/boost/compute/algorithm/copy_n.hpp (1940B)
//---------------------------------------------------------------------------//
// Copyright (c) 2013 Kyle Lutz
//
// Distributed under the Boost Software License, Version 1.0
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt
//
// See http://boostorg.github.com/compute for more information.
//---------------------------------------------------------------------------//
#ifndef BOOST_COMPUTE_ALGORITHM_COPY_N_HPP
#define BOOST_COMPUTE_ALGORITHM_COPY_N_HPP
#include
#include
#include
namespace boost {
namespace compute {
/// Copies \p count elements from \p first to \p result.
///
/// For example, to copy four values from the host to the device:
/// \code
/// // values on the host and vector on the device
/// float values[4] = { 1.f, 2.f, 3.f, 4.f };
/// boost::compute::vector vec(4, context);
///
/// // copy from the host to the device
/// boost::compute::copy_n(values, 4, vec.begin(), queue);
/// \endcode
///
/// Space complexity: \Omega(1)
///
/// \see copy()
template
inline OutputIterator copy_n(InputIterator first,
Size count,
OutputIterator result,
command_queue &queue = system::default_queue(),
const wait_list &events = wait_list())
{
typedef typename std::iterator_traits::difference_type difference_type;
return ::boost::compute::copy(first,
first + static_cast(count),
result,
queue,
events);
}
} // end compute namespace
} // end boost namespace
#endif // BOOST_COMPUTE_ALGORITHM_COPY_N_HPP