48 lines
		
	
	
		
			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
 | 
