vn-verdnaturachat/ios/Pods/boost-for-react-native/boost/compute/detail/print_range.hpp

83 lines
2.6 KiB
C++

//---------------------------------------------------------------------------//
// Copyright (c) 2013 Kyle Lutz <kyle.r.lutz@gmail.com>
//
// Distributed under the Boost Software License, Version 1.0
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt
//
// See http://boostorg.github.com/compute for more information.
//---------------------------------------------------------------------------//
#ifndef BOOST_COMPUTE_DETAIL_PRINT_RANGE_HPP
#define BOOST_COMPUTE_DETAIL_PRINT_RANGE_HPP
#include <vector>
#include <iostream>
#include <iterator>
#include <boost/compute/algorithm/copy.hpp>
#include <boost/compute/container/vector.hpp>
#include <boost/compute/detail/is_buffer_iterator.hpp>
#include <boost/compute/detail/iterator_range_size.hpp>
namespace boost {
namespace compute {
namespace detail {
template<class InputIterator>
inline void print_range(InputIterator first,
InputIterator last,
command_queue &queue,
typename boost::enable_if<
is_buffer_iterator<InputIterator>
>::type* = 0)
{
typedef typename
std::iterator_traits<InputIterator>::value_type
value_type;
const size_t size = iterator_range_size(first, last);
// copy values to temporary vector on the host
std::vector<value_type> tmp(size);
::boost::compute::copy(first, last, tmp.begin(), queue);
// print values
std::cout << "[ ";
for(size_t i = 0; i < size; i++){
std::cout << tmp[i];
if(i != size - 1){
std::cout << ", ";
}
}
std::cout << " ]" << std::endl;
}
template<class InputIterator>
inline void print_range(InputIterator first,
InputIterator last,
command_queue &queue,
typename boost::enable_if_c<
!is_buffer_iterator<InputIterator>::value
>::type* = 0)
{
typedef typename
std::iterator_traits<InputIterator>::value_type
value_type;
const context &context = queue.get_context();
const size_t size = iterator_range_size(first, last);
// copy values to temporary vector on the device
::boost::compute::vector<value_type> tmp(size, context);
::boost::compute::copy(first, last, tmp.begin(), queue);
print_range(tmp.begin(), tmp.end(), queue);
}
} // end detail namespace
} // end compute namespace
} // end boost namespace
#endif // BOOST_COMPUTE_DETAIL_PRINT_RANGE_HPP