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+//---------------------------------------------------------------------------//
+// 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_UNIQUE_HPP
+#define BOOST_COMPUTE_ALGORITHM_UNIQUE_HPP
+
+#include <boost/compute/system.hpp>
+#include <boost/compute/command_queue.hpp>
+#include <boost/compute/algorithm/unique_copy.hpp>
+#include <boost/compute/container/vector.hpp>
+#include <boost/compute/functional/operator.hpp>
+
+namespace boost {
+namespace compute {
+
+/// Removes all consecutive duplicate elements (determined by \p op) from the
+/// range [first, last). If \p op is not provided, the equality operator is
+/// used.
+///
+/// \param first first element in the input range
+/// \param last last element in the input range
+/// \param op binary operator used to check for uniqueness
+/// \param queue command queue to perform the operation
+///
+/// \return \c InputIterator to the new logical end of the range
+///
+/// \see unique_copy()
+template<class InputIterator, class BinaryPredicate>
+inline InputIterator unique(InputIterator first,
+ InputIterator last,
+ BinaryPredicate op,
+ command_queue &queue = system::default_queue())
+{
+ typedef typename std::iterator_traits<InputIterator>::value_type value_type;
+
+ vector<value_type> temp(first, last, queue);
+
+ return ::boost::compute::unique_copy(
+ temp.begin(), temp.end(), first, op, queue
+ );
+}
+
+/// \overload
+template<class InputIterator>
+inline InputIterator unique(InputIterator first,
+ InputIterator last,
+ command_queue &queue = system::default_queue())
+{
+ typedef typename std::iterator_traits<InputIterator>::value_type value_type;
+
+ return ::boost::compute::unique(
+ first, last, ::boost::compute::equal_to<value_type>(), queue
+ );
+}
+
+} // end compute namespace
+} // end boost namespace
+
+#endif // BOOST_COMPUTE_ALGORITHM_UNIQUE_HPP