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#pragma once

#if THRUST_DEVICE_COMPILER == THRUST_DEVICE_COMPILER_HIP
#include <thrust/system/hip/config.h>
#include <thrust/system/hip/detail/execution_policy.h>
#include <thrust/system/hip/detail/transform.h>
#include <thrust/functional.h>
#include <thrust/distance.h>

THRUST_NAMESPACE_BEGIN
namespace hip_rocprim
{
namespace __copy
{
    template <class Derived, class InputIt, class OutputIt>
    OutputIt THRUST_HIP_FUNCTION
    device_to_device(execution_policy<Derived>& policy,
                     InputIt                    first,
                     InputIt                    last,
                     OutputIt                   result)
    {
        typedef typename thrust::iterator_traits<InputIt>::value_type InputTy;
        return hip_rocprim::transform(policy, first, last, result, thrust::identity<InputTy>());
    }
} // namespace __copy
} // namespace hip_rocprim
THRUST_NAMESPACE_END
#endif