derek.holloway
7502bf64a4
CodeQL / Analyze (actions) (push) Canceled after 0s
CodeQL / Analyze (python) (push) Canceled after 0s
pre-commit / pre-commit (push) Canceled after 0s
Multi-Arch CI / setup (push) Canceled after 0s
Publish build_manylinux_x86_64 images / publish_build_manylinux_x86_64 (push) Canceled after 0s
Setup (Multi-Arch) / setup (push) Canceled after 0s
Multi-Arch CI / Linux::${{ fromJSON(needs.setup.outputs.linux_build_config || '{}').build_variant_label || 'skip' }} (push) Canceled after 0s
Publish TheRock Docker image / build-and-push-image (push) Canceled after 0s
Publish no_rocm_image_ubi10 image / publish_no_rocm_image_ubi10 (push) Canceled after 0s
Multi-Arch CI / Windows::${{ fromJSON(needs.setup.outputs.windows_build_config || '{}').build_variant_label || 'skip' }} (push) Canceled after 0s
Publish TheRock Docker image / build-and-push-image (push) Canceled after 0s
Multi-Arch CI / Manifest Diff (push) Canceled after 0s
TheRock Manifest Diff Report / Generate Manifest Diff Report (push) Canceled after 0s
Multi-Arch CI / CI Summary (push) Canceled after 0s
Publish no_rocm_image_ubuntu24_04 images / publish_no_rocm_image_ubuntu24_04 (push) Canceled after 0s
Publish no_rocm_image_ubuntu24_04_ocl_rt images / publish_no_rocm_image_ubuntu24_04_ocl_rt (push) Canceled after 0s
Publish TheRock Docker image / build-and-push-image (push) Canceled after 0s
Publish TheRock Docker image / build-and-push-image (push) Canceled after 0s
Publish no_rocm_image_ubuntu24_04 images / publish_no_rocm_image_ubuntu24_04_rocgdb (push) Canceled after 0s
Publish no_rocm_image_ubuntu24_04_rocgdb images / publish_no_rocm_image_ubuntu24_04_rocgdb (push) Canceled after 0s
Publish no_rocm_image_ubuntu24_04 images / publish_no_rocm_image_ubuntu24_04_ocl_rt (push) Canceled after 0s
Publish TheRock Docker image / build-and-push-image (push) Canceled after 0s
Unit Tests / Unit Tests :: ubuntu-24.04 (push) Canceled after 0s
Unit Tests / Unit Tests :: windows-2022 (push) Canceled after 0s
Publish no_rocm_image_ubuntu24_04 images / publish_no_rocm_image_ubuntu24_04_media (push) Canceled after 0s
Unit Tests / Unit Tests Summary (push) Canceled after 0s
Publish no_rocm_image_ubuntu24_04 images / publish_no_rocm_image_ubuntu24_04_openmpi (push) Canceled after 0s
74 lines
2.9 KiB
C++
74 lines
2.9 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// Part of libcu++, the C++ Standard Library for your entire system,
|
|
// under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
// SPDX-FileCopyrightText: Copyright (c) 2024 NVIDIA CORPORATION & AFFILIATES.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef _LIBCUDACXX___BIT_BIT_CAST_H
|
|
#define _LIBCUDACXX___BIT_BIT_CAST_H
|
|
|
|
#include <cuda/std/detail/__config>
|
|
|
|
#if defined(_CCCL_IMPLICIT_SYSTEM_HEADER_GCC)
|
|
# pragma GCC system_header
|
|
#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_CLANG)
|
|
# pragma clang system_header
|
|
#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_MSVC)
|
|
# pragma system_header
|
|
#endif // no system header
|
|
|
|
#include <cuda/std/__type_traits/enable_if.h>
|
|
#include <cuda/std/__type_traits/is_extended_floating_point.h>
|
|
#include <cuda/std/__type_traits/is_trivially_copyable.h>
|
|
#include <cuda/std/__type_traits/is_trivially_default_constructible.h>
|
|
#include <cuda/std/cstring>
|
|
|
|
_LIBCUDACXX_BEGIN_NAMESPACE_STD
|
|
|
|
#if defined(_CCCL_BUILTIN_BIT_CAST)
|
|
# define _LIBCUDACXX_CONSTEXPR_BIT_CAST constexpr
|
|
# define _LIBCUDACXX_HAS_CONSTEXPR_BIT_CAST() 1
|
|
#else // ^^^ _CCCL_BUILTIN_BIT_CAST ^^^ / vvv !_CCCL_BUILTIN_BIT_CAST vvv
|
|
# define _LIBCUDACXX_CONSTEXPR_BIT_CAST
|
|
# define _LIBCUDACXX_HAS_CONSTEXPR_BIT_CAST() 0
|
|
# if _CCCL_COMPILER(GCC, >=, 8)
|
|
// GCC starting with GCC8 warns about our extended floating point types having protected data members
|
|
_CCCL_DIAG_PUSH
|
|
_CCCL_DIAG_SUPPRESS_GCC("-Wclass-memaccess")
|
|
# endif // _CCCL_COMPILER(GCC, >=, 8)
|
|
#endif // !_CCCL_BUILTIN_BIT_CAST
|
|
|
|
template <
|
|
class _To,
|
|
class _From,
|
|
enable_if_t<(sizeof(_To) == sizeof(_From)), int> = 0,
|
|
enable_if_t<_CCCL_TRAIT(is_trivially_copyable, _To) || _CCCL_TRAIT(__is_extended_floating_point, _To), int> = 0,
|
|
enable_if_t<_CCCL_TRAIT(is_trivially_copyable, _From) || _CCCL_TRAIT(__is_extended_floating_point, _From), int> = 0>
|
|
_CCCL_NODISCARD _LIBCUDACXX_HIDE_FROM_ABI _LIBCUDACXX_CONSTEXPR_BIT_CAST _To bit_cast(const _From& __from) noexcept
|
|
{
|
|
#if defined(_CCCL_BUILTIN_BIT_CAST)
|
|
return _CCCL_BUILTIN_BIT_CAST(_To, __from);
|
|
#else // ^^^ _CCCL_BUILTIN_BIT_CAST ^^^ / vvv !_CCCL_BUILTIN_BIT_CAST vvv
|
|
static_assert(_CCCL_TRAIT(is_trivially_default_constructible, _To),
|
|
"The compiler does not support __builtin_bit_cast, so bit_cast additionally requires the destination "
|
|
"type to be trivially constructible");
|
|
_To __temp;
|
|
_CUDA_VSTD::memcpy(&__temp, &__from, sizeof(_To));
|
|
return __temp;
|
|
#endif // !_CCCL_BUILTIN_BIT_CAST
|
|
}
|
|
|
|
#if !defined(_CCCL_BUILTIN_BIT_CAST)
|
|
# if _CCCL_COMPILER(GCC, >=, 8)
|
|
_CCCL_DIAG_POP
|
|
# endif // _CCCL_COMPILER(GCC, >=, 8)
|
|
#endif // !_CCCL_BUILTIN_BIT_CAST
|
|
|
|
_LIBCUDACXX_END_NAMESPACE_STD
|
|
|
|
#endif // _LIBCUDACXX___BIT_BIT_CAST_H
|