text: /*
   *  Copyright 2008-2018 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.
   */
  
  
  /*! \file device_make_unique.h
   *  \brief A factory function for creating `unique_ptr`s to device objects.
   */
  
  #pragma once
  
  #include <thrust/detail/config.h>
  #include <thrust/detail/cpp11_required.h>
  
  #if THRUST_CPP_DIALECT >= 2011
  
  #include <thrust/allocate_unique.h>
  #include <thrust/device_new.h>
  #include <thrust/device_ptr.h>
  #include <thrust/device_allocator.h>
  #include <thrust/detail/type_deduction.h>
  
  THRUST_NAMESPACE_BEGIN
  
  ///////////////////////////////////////////////////////////////////////////////
  
  template <typename T, typename... Args>
  __host__
  auto device_make_unique(Args&&... args)
    THRUST_TRAILING_RETURN(decltype(
      uninitialized_allocate_unique<T>(device_allocator<T>{})
    ))
  {
  #if !defined(THRUST_DOXYGEN) // This causes Doxygen to choke for some reason.
    // FIXME: This is crude - we construct an unnecessary T on the host for
    // `device_new`. We need a proper dispatched `construct` algorithm to
    // do this properly.
    auto p = uninitialized_allocate_unique<T>(device_allocator<T>{});
    device_new<T>(p.get(), T(THRUST_FWD(args)...));
    return p;
  #endif
  }
  
  ///////////////////////////////////////////////////////////////////////////////
  
  THRUST_NAMESPACE_END
  
  #endif // THRUST_CPP_DIALECT >= 2011
  