]>
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_GENERATE_HPP | |
12 | #define BOOST_COMPUTE_ALGORITHM_GENERATE_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/function_input_iterator.hpp> | |
18 | #include <boost/compute/detail/iterator_range_size.hpp> | |
19 | ||
20 | namespace boost { | |
21 | namespace compute { | |
22 | ||
23 | /// Stores the result of \p generator for each element in the range | |
24 | /// [\p first, \p last). | |
25 | template<class OutputIterator, class Generator> | |
26 | inline void generate(OutputIterator first, | |
27 | OutputIterator last, | |
28 | Generator generator, | |
29 | command_queue &queue = system::default_queue()) | |
30 | { | |
31 | size_t count = detail::iterator_range_size(first, last); | |
32 | if(count == 0){ | |
33 | return; | |
34 | } | |
35 | ||
36 | ::boost::compute::copy( | |
37 | ::boost::compute::make_function_input_iterator(generator, | |
38 | first.get_index()), | |
39 | ::boost::compute::make_function_input_iterator(generator, | |
40 | last.get_index()), | |
41 | first, | |
42 | queue | |
43 | ); | |
44 | } | |
45 | ||
46 | } // end compute namespace | |
47 | } // end boost namespace | |
48 | ||
49 | #endif // BOOST_COMPUTE_ALGORITHM_GENERATE_HPP |