ceph/src/boost/boost/compute/algorithm/find_if_not.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_FIND_IF_NOT_HPP
  12 #define BOOST_COMPUTE_ALGORITHM_FIND_IF_NOT_HPP
  13
  14 #include <boost/static_assert.hpp>
  15
  16 #include <boost/compute/system.hpp>
  17 #include <boost/compute/functional.hpp>
  18 #include <boost/compute/command_queue.hpp>
  19 #include <boost/compute/algorithm/find_if.hpp>
  20 #include <boost/compute/type_traits/is_device_iterator.hpp>
  21
  22 namespace boost {
  23 namespace compute {
  24
  25 /// Returns an iterator pointing to the first element in the range
  26 /// [\p first, \p last) for which \p predicate returns \c false.
  27 ///
  28 /// Space complexity: \Omega(1)
  29 ///
  30 /// \see find_if()
  31 template<class InputIterator, class UnaryPredicate>
  32 inline InputIterator find_if_not(InputIterator first,
  33                                  InputIterator last,
  34                                  UnaryPredicate predicate,
  35                                  command_queue &queue = system::default_queue())
  36 {
  37     BOOST_STATIC_ASSERT(is_device_iterator<InputIterator>::value);
  38     return ::boost::compute::find_if(
  39                first,
  40                last,
  41                not1(predicate),
  42                queue
  43            );
  44 }
  45
  46 } // end compute namespace
  47 } // end boost namespace
  48
  49 #endif // BOOST_COMPUTE_ALGORITHM_FIND_IF_NOT_HPP