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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_DETAIL_RANDOM_FILL_HPP | |
12 | #define BOOST_COMPUTE_ALGORITHM_DETAIL_RANDOM_FILL_HPP | |
13 | ||
14 | #include <iterator> | |
15 | ||
16 | #include <boost/compute/command_queue.hpp> | |
17 | #include <boost/compute/random/default_random_engine.hpp> | |
18 | #include <boost/compute/random/uniform_real_distribution.hpp> | |
19 | ||
20 | namespace boost { | |
21 | namespace compute { | |
22 | namespace detail { | |
23 | ||
24 | template<class OutputIterator, class Generator> | |
25 | inline void random_fill(OutputIterator first, | |
26 | OutputIterator last, | |
27 | Generator &g, | |
28 | command_queue &queue) | |
29 | { | |
30 | g.fill(first, last, queue); | |
31 | } | |
32 | ||
33 | template<class OutputIterator> | |
34 | inline void | |
35 | random_fill(OutputIterator first, | |
36 | OutputIterator last, | |
37 | typename std::iterator_traits<OutputIterator>::value_type lo, | |
38 | typename std::iterator_traits<OutputIterator>::value_type hi, | |
39 | command_queue &queue) | |
40 | { | |
41 | typedef typename | |
42 | std::iterator_traits<OutputIterator>::value_type value_type; | |
43 | typedef typename | |
44 | boost::compute::default_random_engine engine_type; | |
45 | typedef typename | |
46 | boost::compute::uniform_real_distribution<value_type> distribution_type; | |
47 | ||
48 | engine_type engine(queue); | |
49 | distribution_type generator(lo, hi); | |
50 | generator.fill(first, last, engine, queue); | |
51 | } | |
52 | ||
53 | } // end detail namespace | |
54 | } // end compute namespace | |
55 | } // end boost namespace | |
56 | ||
57 | #endif // BOOST_COMPUTE_ALGORITHM_DETAIL_RANDOM_FILL_HPP |