| /****************************************************************************** | |
| * 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: | |
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| * 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 | |
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| * | |
| ******************************************************************************/ | |
| #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 | |