text: /*
   *  Copyright 2008-2013 NVIDIA Corporation
   *
   *  Licensed under the Apache License, Version 2.0 (the "License");
   *  you may not use this file except in compliance with the License.
   *  You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   *  Unless required by applicable law or agreed to in writing, software
   *  distributed under the License is distributed on an "AS IS" BASIS,
   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   *  See the License for the specific language governing permissions and
   *  limitations under the License.
   */
  
  #pragma once
  
  #if THRUST_DEVICE_COMPILER == THRUST_DEVICE_COMPILER_NVCC
  #include <thrust/detail/config.h>
  #include <thrust/system/cuda/config.h>
  
  #include <thrust/detail/raw_pointer_cast.h>
  #include <thrust/system/cuda/detail/execution_policy.h>
  #include <thrust/swap.h>
  
  namespace thrust
  {
  namespace cuda_cub {
  
  
  template<typename DerivedPolicy, typename Pointer1, typename Pointer2>
  inline __host__ __device__
  void iter_swap(thrust::cuda::execution_policy<DerivedPolicy> &, Pointer1 a, Pointer2 b)
  {
    // XXX war nvbugs/881631
    struct war_nvbugs_881631
    {
      __host__ inline static void host_path(Pointer1 a, Pointer2 b)
      {
        thrust::swap_ranges(a, a + 1, b);
      }
  
      __device__ inline static void device_path(Pointer1 a, Pointer2 b)
      {
        using thrust::swap;
        swap(*thrust::raw_pointer_cast(a),
             *thrust::raw_pointer_cast(b));
      }
    };
  
    if (THRUST_IS_HOST_CODE) {
      #if THRUST_INCLUDE_HOST_CODE
        war_nvbugs_881631::host_path(a, b);
      #endif
    } else {
      #if THRUST_INCLUDE_DEVICE_CODE
        war_nvbugs_881631::device_path(a, b);
      #endif
    }
  } // end iter_swap()
  
  
  } // end cuda_cub
  } // end namespace thrust
  #endif
  