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			1.7 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
		
		
			
		
	
	
			48 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_REMOVE_IF_HPP | ||
|  | #define BOOST_COMPUTE_ALGORITHM_REMOVE_IF_HPP | ||
|  | 
 | ||
|  | #include <boost/compute/system.hpp> | ||
|  | #include <boost/compute/algorithm/copy_if.hpp> | ||
|  | #include <boost/compute/container/vector.hpp> | ||
|  | #include <boost/compute/functional/logical.hpp> | ||
|  | 
 | ||
|  | namespace boost { | ||
|  | namespace compute { | ||
|  | 
 | ||
|  | /// Removes each element for which \p predicate returns \c true in the | ||
|  | /// range [\p first, \p last). | ||
|  | /// | ||
|  | /// \see remove() | ||
|  | template<class Iterator, class Predicate> | ||
|  | inline Iterator remove_if(Iterator first, | ||
|  |                           Iterator last, | ||
|  |                           Predicate predicate, | ||
|  |                           command_queue &queue = system::default_queue()) | ||
|  | { | ||
|  |     typedef typename std::iterator_traits<Iterator>::value_type value_type; | ||
|  | 
 | ||
|  |     // temporary storage for the input data | ||
|  |     ::boost::compute::vector<value_type> tmp(first, last, queue); | ||
|  | 
 | ||
|  |     return ::boost::compute::copy_if(tmp.begin(), | ||
|  |                                      tmp.end(), | ||
|  |                                      first, | ||
|  |                                      not1(predicate), | ||
|  |                                      queue); | ||
|  | } | ||
|  | 
 | ||
|  | } // end compute namespace | ||
|  | } // end boost namespace | ||
|  | 
 | ||
|  | #endif // BOOST_COMPUTE_ALGORITHM_REMOVE_IF_HPP |