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/******************************************************************************
* Copyright (c) 2011-2022, NVIDIA CORPORATION. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* 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.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the NVIDIA CORPORATION nor the
* 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"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL NVIDIA CORPORATION BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************/
#pragma once
#ifndef USE_ROCM
#include <cub/config.cuh>
#include <cuda/std/type_traits>
#else
#include <hipcub/hipcub.hpp>
// Map ::cuda::std to the standard std namespace
namespace cuda {
namespace std = ::std;
}
#endif
namespace detail
{
#if defined(_NVHPC_CUDA)
template <typename T, typename U>
__host__ __device__ void uninitialized_copy(T *ptr, U &&val)
{
// NVBug 3384810
new (ptr) T(::cuda::std::forward<U>(val));
}
#else
template <typename T,
typename U,
typename ::cuda::std::enable_if<
::cuda::std::is_trivially_copyable<T>::value,
int
>::type = 0>
__host__ __device__ void uninitialized_copy(T *ptr, U &&val)
{
*ptr = ::cuda::std::forward<U>(val);
}
template <typename T,
typename U,
typename ::cuda::std::enable_if<
!::cuda::std::is_trivially_copyable<T>::value,
int
>::type = 0>
__host__ __device__ void uninitialized_copy(T *ptr, U &&val)
{
new (ptr) T(::cuda::std::forward<U>(val));
}
#endif
} // namespace detail
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