]>
Commit | Line | Data |
---|---|---|
7c673cae FG |
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_IOTA_HPP | |
12 | #define BOOST_COMPUTE_ALGORITHM_IOTA_HPP | |
13 | ||
14 | #include <boost/compute/system.hpp> | |
15 | #include <boost/compute/command_queue.hpp> | |
16 | #include <boost/compute/algorithm/copy.hpp> | |
17 | #include <boost/compute/iterator/counting_iterator.hpp> | |
18 | ||
19 | namespace boost { | |
20 | namespace compute { | |
21 | ||
22 | /// Fills the range [\p first, \p last) with sequential values starting at | |
23 | /// \p value. | |
24 | /// | |
25 | /// For example, the following code: | |
26 | /// \snippet test/test_iota.cpp iota | |
27 | /// | |
28 | /// Will fill \c vec with the values (\c 0, \c 1, \c 2, \c ...). | |
29 | template<class BufferIterator, class T> | |
30 | inline void iota(BufferIterator first, | |
31 | BufferIterator last, | |
32 | const T &value, | |
33 | command_queue &queue = system::default_queue()) | |
34 | { | |
35 | T count = static_cast<T>(detail::iterator_range_size(first, last)); | |
36 | ||
37 | copy( | |
38 | ::boost::compute::make_counting_iterator(value), | |
39 | ::boost::compute::make_counting_iterator(value + count), | |
40 | first, | |
41 | queue | |
42 | ); | |
43 | } | |
44 | ||
45 | } // end compute namespace | |
46 | } // end boost namespace | |
47 | ||
48 | #endif // BOOST_COMPUTE_ALGORITHM_IOTA_HPP |