50 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			50 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
//---------------------------------------------------------------------------//
 | 
						|
// 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_ALGORITHM_GENERATE_HPP
 | 
						|
#define BOOST_COMPUTE_ALGORITHM_GENERATE_HPP
 | 
						|
 | 
						|
#include <boost/compute/system.hpp>
 | 
						|
#include <boost/compute/command_queue.hpp>
 | 
						|
#include <boost/compute/algorithm/copy.hpp>
 | 
						|
#include <boost/compute/iterator/function_input_iterator.hpp>
 | 
						|
#include <boost/compute/detail/iterator_range_size.hpp>
 | 
						|
 | 
						|
namespace boost {
 | 
						|
namespace compute {
 | 
						|
 | 
						|
/// Stores the result of \p generator for each element in the range
 | 
						|
/// [\p first, \p last).
 | 
						|
template<class OutputIterator, class Generator>
 | 
						|
inline void generate(OutputIterator first,
 | 
						|
                     OutputIterator last,
 | 
						|
                     Generator generator,
 | 
						|
                     command_queue &queue = system::default_queue())
 | 
						|
{
 | 
						|
    size_t count = detail::iterator_range_size(first, last);
 | 
						|
    if(count == 0){
 | 
						|
        return;
 | 
						|
    }
 | 
						|
 | 
						|
    ::boost::compute::copy(
 | 
						|
        ::boost::compute::make_function_input_iterator(generator,
 | 
						|
                                                       first.get_index()),
 | 
						|
        ::boost::compute::make_function_input_iterator(generator,
 | 
						|
                                                       last.get_index()),
 | 
						|
        first,
 | 
						|
        queue
 | 
						|
    );
 | 
						|
}
 | 
						|
 | 
						|
} // end compute namespace
 | 
						|
} // end boost namespace
 | 
						|
 | 
						|
#endif // BOOST_COMPUTE_ALGORITHM_GENERATE_HPP
 |