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