//---------------------------------------------------------------------------//
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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_DETAIL_PRINT_RANGE_HPP
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#define BOOST_COMPUTE_DETAIL_PRINT_RANGE_HPP
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#include <vector>
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#include <iostream>
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#include <iterator>
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#include <boost/compute/algorithm/copy.hpp>
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#include <boost/compute/container/vector.hpp>
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#include <boost/compute/detail/is_buffer_iterator.hpp>
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#include <boost/compute/detail/iterator_range_size.hpp>
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namespace boost {
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namespace compute {
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namespace detail {
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template<class InputIterator>
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inline void print_range(InputIterator first,
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InputIterator last,
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command_queue &queue,
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typename boost::enable_if<
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is_buffer_iterator<InputIterator>
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>::type* = 0)
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{
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typedef typename
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std::iterator_traits<InputIterator>::value_type
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value_type;
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const size_t size = iterator_range_size(first, last);
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// copy values to temporary vector on the host
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std::vector<value_type> tmp(size);
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::boost::compute::copy(first, last, tmp.begin(), queue);
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// print values
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std::cout << "[ ";
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for(size_t i = 0; i < size; i++){
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std::cout << tmp[i];
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if(i != size - 1){
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std::cout << ", ";
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}
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}
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std::cout << " ]" << std::endl;
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}
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template<class InputIterator>
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inline void print_range(InputIterator first,
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InputIterator last,
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command_queue &queue,
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typename boost::enable_if_c<
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!is_buffer_iterator<InputIterator>::value
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>::type* = 0)
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{
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typedef typename
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std::iterator_traits<InputIterator>::value_type
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value_type;
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const context &context = queue.get_context();
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const size_t size = iterator_range_size(first, last);
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// copy values to temporary vector on the device
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::boost::compute::vector<value_type> tmp(size, context);
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::boost::compute::copy(first, last, tmp.begin(), queue);
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print_range(tmp.begin(), tmp.end(), queue);
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}
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} // end detail namespace
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} // end compute namespace
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} // end boost namespace
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#endif // BOOST_COMPUTE_DETAIL_PRINT_RANGE_HPP
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