/usr/include/boost/compute/algorithm
Edit: /usr/include/boost/compute/algorithm/transform.hpp (3252B)
//---------------------------------------------------------------------------//
// Copyright (c) 2013 Kyle Lutz
//
// 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_TRANSFORM_HPP
#define BOOST_COMPUTE_ALGORITHM_TRANSFORM_HPP
#include
#include
#include
#include
#include
#include
#include
#include
namespace boost {
namespace compute {
/// Transforms the elements in the range [\p first, \p last) using
/// operator \p op and stores the results in the range beginning at
/// \p result.
///
/// For example, to calculate the absolute value for each element in a vector:
///
/// \snippet test/test_transform.cpp transform_abs
///
/// Space complexity: \Omega(1)
///
/// \see copy()
template
inline OutputIterator transform(InputIterator first,
InputIterator last,
OutputIterator result,
UnaryOperator op,
command_queue &queue = system::default_queue())
{
BOOST_STATIC_ASSERT(is_device_iterator::value);
BOOST_STATIC_ASSERT(is_device_iterator::value);
return copy(
::boost::compute::make_transform_iterator(first, op),
::boost::compute::make_transform_iterator(last, op),
result,
queue
);
}
/// \overload
template
inline OutputIterator transform(InputIterator1 first1,
InputIterator1 last1,
InputIterator2 first2,
OutputIterator result,
BinaryOperator op,
command_queue &queue = system::default_queue())
{
BOOST_STATIC_ASSERT(is_device_iterator::value);
BOOST_STATIC_ASSERT(is_device_iterator::value);
BOOST_STATIC_ASSERT(is_device_iterator::value);
typedef typename std::iterator_traits::difference_type difference_type;
difference_type n = std::distance(first1, last1);
return transform(
::boost::compute::make_zip_iterator(boost::make_tuple(first1, first2)),
::boost::compute::make_zip_iterator(boost::make_tuple(last1, first2 + n)),
result,
detail::unpack(op),
queue
);
}
} // end compute namespace
} // end boost namespace
#endif // BOOST_COMPUTE_ALGORITHM_TRANSFORM_HPP