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 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
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 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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#pragma once


#if THRUST_DEVICE_COMPILER == THRUST_DEVICE_COMPILER_NVCC
#include <thrust/system/cuda/detail/copy_if.h>

BEGIN_NS_THRUST
namespace cuda_cub {

// in-place
  
template <class Derived,
          class InputIt,
          class StencilIt,
          class Predicate>
InputIt __host__ __device__
remove_if(execution_policy<Derived> &policy,
          InputIt                    first,
          InputIt                    last,
          StencilIt                  stencil,
          Predicate                  predicate)
{
  return cuda_cub::copy_if(policy, first, last, stencil, first, detail::not1(predicate));
}

template <class Derived,
          class InputIt,
          class Predicate>
InputIt __host__ __device__
remove_if(execution_policy<Derived> &policy,
          InputIt                    first,
          InputIt                    last,
          Predicate                  predicate)
{
  return cuda_cub::copy_if(policy, first, last, first, detail::not1(predicate));
}


template <class Derived,
          class InputIt,
          class T>
InputIt __host__ __device__
remove(execution_policy<Derived> &policy,
       InputIt                    first,
       InputIt                    last,
       const T &                  value)
{
  detail::equal_to_value<T> pred(value);
  return cuda_cub::remove_if(policy, first, last, pred);
}

// copy

template <class Derived,
          class InputIt,
          class StencilIt,
          class OutputIt,
          class Predicate>
OutputIt __host__ __device__
remove_copy_if(execution_policy<Derived> &policy,
               InputIt                    first,
               InputIt                    last,
               StencilIt                  stencil,
               OutputIt                   result,
               Predicate                  predicate)
{
  return cuda_cub::copy_if(policy, first, last, stencil, result, detail::not1(predicate));
}

template <class Derived,
          class InputIt,
          class OutputIt,
          class Predicate>
OutputIt __host__ __device__
remove_copy_if(execution_policy<Derived> &policy,
               InputIt                    first,
               InputIt                    last,
               OutputIt                   result,
               Predicate                  predicate)
{
  return cuda_cub::copy_if(policy, first, last, result, detail::not1(predicate));
}


template <class Derived,
          class InputIt,
          class OutputIt,
          class T>
OutputIt __host__ __device__
remove_copy(execution_policy<Derived> &policy,
            InputIt                    first,
            InputIt                    last,
            OutputIt                   result,
            const T &                  value)
{
  detail::equal_to_value<T> pred(value);
  return cuda_cub::remove_copy_if(policy, first, last, result, pred);
}

}    // namespace cuda_cub
END_NS_THRUST
#endif