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#pragma once

#include <thrust/detail/seq.h>
#include <thrust/system/hip/detail/par.h>

BEGIN_NS_THRUST
namespace hip_rocprim
{
    template <int PAR>
    struct has_par : thrust::detail::true_type
    {
    };

    template <>
    struct has_par<0> : thrust::detail::false_type
    {
    };

    template <class Policy>
    struct cvt_to_seq_impl
    {
        typedef thrust::detail::seq_t seq_t;

        static seq_t THRUST_HIP_FUNCTION doit(Policy&)
        {
            return seq_t();
        }
    }; // cvt_to_seq_impl

#if 0
template <class Allocator>
struct cvt_to_seq_impl<
    thrust::detail::execute_with_allocator<Allocator,
                                           execute_on_stream_base> >
{
  typedef thrust::detail::execute_with_allocator<Allocator,
                                                 execute_on_stream_base>
      Policy;
  typedef thrust::detail::execute_with_allocator<
      Allocator,
      thrust::system::detail::sequential::execution_policy>
      seq_t;


    static seq_t THRUST_HIP_FUNCTION
    doit(Policy& policy)
    {
        return seq_t(policy.m_alloc);
    }
};    // specialization of struct cvt_to_seq_impl
#endif

    template <class Policy>
    typename cvt_to_seq_impl<Policy>::seq_t THRUST_HIP_FUNCTION cvt_to_seq(Policy& policy)
    {
        return cvt_to_seq_impl<Policy>::doit(policy);
    }

#if __THRUST_HAS_HIPRT__
    #define THRUST_HIPRT_DISPATCH par
#else
    #define THRUST_HIPRT_DISPATCH seq
#endif

} // namespace hip_rocprim
END_NS_THRUST