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// Copyright (c) 2013 Kyle Lutz <>
// Distributed under the Boost Software License, Version 1.0
// See accompanying file LICENSE_1_0.txt or copy at
// See for more information.


#include <boost/compute/system.hpp>
#include <boost/compute/command_queue.hpp>
#include <boost/compute/algorithm/lower_bound.hpp>

namespace boost {
namespace compute {

/// Returns \c true if \p value is in the sorted range [\p first,
/// \p last).
/// Space complexity: \Omega(1)
template<class InputIterator, class T>
inline bool binary_search(InputIterator first,
                          InputIterator last,
                          const T &value,
                          command_queue &queue = system::default_queue())
    InputIterator position = lower_bound(first, last, value, queue);

    return position != last && == value;

} // end compute namespace
} // end boost namespace