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author | LC <mathew1800@gmail.com> | 2020-11-20 00:39:30 -0500 |
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committer | GitHub <noreply@github.com> | 2020-11-20 00:39:30 -0500 |
commit | e883101999c41e87299058846416750e13990007 (patch) | |
tree | 66053ee433c90413d9ea7cd16a01a31df4462f48 | |
parent | 1889b641d90188a3e890e2b1409f37e042e946b4 (diff) | |
parent | 3f2e605dd12e91f81dd8debf46e69accab3aa1d0 (diff) |
Merge pull request #4952 from ReinUsesLisp/bit-cast
common/bit_cast: Add function matching std::bit_cast without constexpr
-rw-r--r-- | src/common/CMakeLists.txt | 1 | ||||
-rw-r--r-- | src/common/bit_cast.h | 22 |
2 files changed, 23 insertions, 0 deletions
diff --git a/src/common/CMakeLists.txt b/src/common/CMakeLists.txt index 207c7a0a6..d20e6c3b5 100644 --- a/src/common/CMakeLists.txt +++ b/src/common/CMakeLists.txt @@ -102,6 +102,7 @@ add_library(common STATIC atomic_ops.h detached_tasks.cpp detached_tasks.h + bit_cast.h bit_field.h bit_util.h cityhash.cpp diff --git a/src/common/bit_cast.h b/src/common/bit_cast.h new file mode 100644 index 000000000..a32a063d1 --- /dev/null +++ b/src/common/bit_cast.h @@ -0,0 +1,22 @@ +// Copyright 2020 yuzu emulator team +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include <cstring> +#include <type_traits> + +namespace Common { + +template <typename To, typename From> +[[nodiscard]] std::enable_if_t<sizeof(To) == sizeof(From) && std::is_trivially_copyable_v<From> && + std::is_trivially_copyable_v<To>, + To> +BitCast(const From& src) noexcept { + To dst; + std::memcpy(&dst, &src, sizeof(To)); + return dst; +} + +} // namespace Common |