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Diffstat (limited to 'boost/compute/algorithm/partition_point.hpp')
-rw-r--r-- | boost/compute/algorithm/partition_point.hpp | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/boost/compute/algorithm/partition_point.hpp b/boost/compute/algorithm/partition_point.hpp new file mode 100644 index 0000000000..3cc2bc0ca6 --- /dev/null +++ b/boost/compute/algorithm/partition_point.hpp @@ -0,0 +1,46 @@ +//---------------------------------------------------------------------------// +// Copyright (c) 2014 Roshan <thisisroshansmail@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_PARTITION_POINT_HPP +#define BOOST_COMPUTE_ALGORITHM_PARTITION_POINT_HPP + +#include <boost/compute/system.hpp> +#include <boost/compute/command_queue.hpp> +#include <boost/compute/algorithm/detail/binary_find.hpp> + +namespace boost { +namespace compute { + +/// +/// \brief Partition point algorithm +/// +/// Finds the end of true values in the partitioned range [first, last) +/// \return Iterator pointing to end of true values +/// +/// \param first Iterator pointing to start of range +/// \param last Iterator pointing to end of range +/// \param predicate Unary predicate to be applied on each element +/// \param queue Queue on which to execute +/// +/// \see partition() and stable_partition() +/// +template<class InputIterator, class UnaryPredicate> +inline InputIterator partition_point(InputIterator first, + InputIterator last, + UnaryPredicate predicate, + command_queue &queue = system::default_queue()) +{ + return detail::binary_find(first, last, not1(predicate), queue); +} + +} // end compute namespace +} // end boost namespace + +#endif // BOOST_COMPUTE_ALGORITHM_PARTITION_POINT_HPP |