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49 lines
1.5 KiB
C++
49 lines
1.5 KiB
C++
//---------------------------------------------------------------------------//
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// Copyright (c) 2013 Kyle Lutz <kyle.r.lutz@gmail.com>
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//
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// Distributed under the Boost Software License, Version 1.0
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// See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt
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//
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// See http://boostorg.github.com/compute for more information.
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//---------------------------------------------------------------------------//
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#ifndef BOOST_COMPUTE_ALGORITHM_IOTA_HPP
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#define BOOST_COMPUTE_ALGORITHM_IOTA_HPP
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#include <boost/compute/system.hpp>
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#include <boost/compute/command_queue.hpp>
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#include <boost/compute/algorithm/copy.hpp>
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#include <boost/compute/iterator/counting_iterator.hpp>
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namespace boost {
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namespace compute {
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/// Fills the range [\p first, \p last) with sequential values starting at
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/// \p value.
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///
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/// For example, the following code:
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/// \snippet test/test_iota.cpp iota
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///
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/// Will fill \c vec with the values (\c 0, \c 1, \c 2, \c ...).
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template<class BufferIterator, class T>
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inline void iota(BufferIterator first,
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BufferIterator last,
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const T &value,
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command_queue &queue = system::default_queue())
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{
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T count = static_cast<T>(detail::iterator_range_size(first, last));
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copy(
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::boost::compute::make_counting_iterator(value),
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::boost::compute::make_counting_iterator(value + count),
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first,
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queue
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);
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}
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} // end compute namespace
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} // end boost namespace
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#endif // BOOST_COMPUTE_ALGORITHM_IOTA_HPP
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