ceph/src/boost/libs/compute/include/boost/compute/algorithm/remove.hpp

   1 //---------------------------------------------------------------------------//
   2 // Copyright (c) 2013 Kyle Lutz <kyle.r.lutz@gmail.com>
   3 //
   4 // Distributed under the Boost Software License, Version 1.0
   5 // See accompanying file LICENSE_1_0.txt or copy at
   6 // http://www.boost.org/LICENSE_1_0.txt
   7 //
   8 // See http://boostorg.github.com/compute for more information.
   9 //---------------------------------------------------------------------------//
  10
  11 #ifndef BOOST_COMPUTE_ALGORITHM_REMOVE_HPP
  12 #define BOOST_COMPUTE_ALGORITHM_REMOVE_HPP
  13
  14 #include <boost/compute/lambda.hpp>
  15 #include <boost/compute/system.hpp>
  16 #include <boost/compute/algorithm/remove_if.hpp>
  17 #include <boost/compute/type_traits/vector_size.hpp>
  18
  19 namespace boost {
  20 namespace compute {
  21
  22 /// Removes each element equal to \p value in the range [\p first,
  23 /// \p last).
  24 ///
  25 /// \see remove_if()
  26 template<class Iterator, class T>
  27 inline Iterator remove(Iterator first,
  28                        Iterator last,
  29                        const T &value,
  30                        command_queue &queue = system::default_queue())
  31 {
  32     typedef typename std::iterator_traits<Iterator>::value_type value_type;
  33
  34     using ::boost::compute::_1;
  35     using ::boost::compute::lambda::all;
  36
  37     if(vector_size<value_type>::value == 1){
  38         return ::boost::compute::remove_if(first,
  39                                            last,
  40                                            _1 == value,
  41                                            queue);
  42     }
  43     else {
  44         return ::boost::compute::remove_if(first,
  45                                            last,
  46                                            all(_1 == value),
  47                                            queue);
  48     }
  49 }
  50
  51 } // end compute namespace
  52 } // end boost namespace
  53
  54 #endif // BOOST_COMPUTE_ALGORITHM_REMOVE_HPP