50 lines
1.5 KiB
C++
50 lines
1.5 KiB
C++
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//---------------------------------------------------------------------------//
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// Copyright (c) 2013 Kyle Lutz <kyle.r.lutz@gmail.com>
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//
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// Distributed under the Boost Software License, Version 1.0
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// See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt
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//
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// See http://boostorg.github.com/compute for more information.
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//---------------------------------------------------------------------------//
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#ifndef BOOST_COMPUTE_EXPERIMENTAL_CLAMP_RANGE_HPP
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#define BOOST_COMPUTE_EXPERIMENTAL_CLAMP_RANGE_HPP
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#include <iterator>
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#include <boost/compute/lambda.hpp>
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#include <boost/compute/algorithm/transform.hpp>
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namespace boost {
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namespace compute {
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namespace experimental {
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template<class InputIterator, class OutputIterator>
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inline OutputIterator
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clamp_range(InputIterator first,
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InputIterator last,
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OutputIterator result,
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typename std::iterator_traits<InputIterator>::value_type lo,
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typename std::iterator_traits<InputIterator>::value_type hi,
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command_queue &queue)
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{
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using ::boost::compute::lambda::_1;
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using ::boost::compute::lambda::_2;
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using ::boost::compute::lambda::clamp;
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return ::boost::compute::transform(
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first,
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last,
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result,
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clamp(_1, lo, hi),
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queue
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);
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}
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} // end experimental namespace
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} // end compute namespace
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} // end boost namespace
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#endif // BOOST_COMPUTE_EXPERIMENTAL_CLAMP_RANGE_HPP
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