projects / ceph.git / blame
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|---|---|---|
| 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_DETAIL_PRINT_RANGE_HPP | |
| 12 | #define BOOST_COMPUTE_DETAIL_PRINT_RANGE_HPP | |
| 13 | ||
| 14 | #include <vector> | |
| 15 | #include <iostream> | |
| 16 | #include <iterator> | |
| 17 | ||
| 18 | #include <boost/compute/algorithm/copy.hpp> | |
| 19 | #include <boost/compute/container/vector.hpp> | |
| 20 | #include <boost/compute/detail/is_buffer_iterator.hpp> | |
| 21 | #include <boost/compute/detail/iterator_range_size.hpp> | |
| 22 | ||
| 23 | namespace boost { | |
| 24 | namespace compute { | |
| 25 | namespace detail { | |
| 26 | ||
| 27 | template<class InputIterator> | |
| 28 | inline void print_range(InputIterator first, | |
| 29 | InputIterator last, | |
| 30 | command_queue &queue, | |
| 31 | typename boost::enable_if< | |
| 32 | is_buffer_iterator<InputIterator> | |
| 33 | >::type* = 0) | |
| 34 | { | |
| 35 | typedef typename | |
| 36 | std::iterator_traits<InputIterator>::value_type | |
| 37 | value_type; | |
| 38 | ||
| 39 | const size_t size = iterator_range_size(first, last); | |
| 40 | ||
| 41 | // copy values to temporary vector on the host | |
| 42 | std::vector<value_type> tmp(size); | |
| 43 | ::boost::compute::copy(first, last, tmp.begin(), queue); | |
| 44 | ||
| 45 | // print values | |
| 46 | std::cout << "[ "; | |
| 47 | for(size_t i = 0; i < size; i++){ | |
| 48 | std::cout << tmp[i]; | |
| 49 | if(i != size - 1){ | |
| 50 | std::cout << ", "; | |
| 51 | } | |
| 52 | } | |
| 53 | std::cout << " ]" << std::endl; | |
| 54 | } | |
| 55 | ||
| 56 | template<class InputIterator> | |
| 57 | inline void print_range(InputIterator first, | |
| 58 | InputIterator last, | |
| 59 | command_queue &queue, | |
| 60 | typename boost::enable_if_c< | |
| 61 | !is_buffer_iterator<InputIterator>::value | |
| 62 | >::type* = 0) | |
| 63 | { | |
| 64 | typedef typename | |
| 65 | std::iterator_traits<InputIterator>::value_type | |
| 66 | value_type; | |
| 67 | ||
| 68 | const context &context = queue.get_context(); | |
| 69 | const size_t size = iterator_range_size(first, last); | |
| 70 | ||
| 71 | // copy values to temporary vector on the device | |
| 72 | ::boost::compute::vector<value_type> tmp(size, context); | |
| 73 | ::boost::compute::copy(first, last, tmp.begin(), queue); | |
| 74 | ||
| 75 | print_range(tmp.begin(), tmp.end(), queue); | |
| 76 | } | |
| 77 | ||
| 78 | } // end detail namespace | |
| 79 | } // end compute namespace | |
| 80 | } // end boost namespace | |
| 81 | ||
| 82 | #endif // BOOST_COMPUTE_DETAIL_PRINT_RANGE_HPP |