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| author | mikhnenko <mikhnenko@yandex-team.com> | 2024-03-27 10:35:27 +0300 |
|---|---|---|
| committer | mikhnenko <mikhnenko@yandex-team.com> | 2024-03-27 10:47:39 +0300 |
| commit | 9b902baa4a858f2176c82aa0b20f88232f0da0d8 (patch) | |
| tree | 7165a551c2244c4b3c28479ac3a3f6d62346ec89 /contrib/libs/cxxsupp/libcxx/include/__bit/bit_ceil.h | |
| parent | a1c989e67e438005fa0c34ed0e910536c8941862 (diff) | |
| download | ydb-9b902baa4a858f2176c82aa0b20f88232f0da0d8.tar.gz | |
Update libcxx to 10 Oct 2023 dc129d6f715cf83a2072fc8de8b4e4c70bca6935
97ce40d276e44357a49b7a945af841896126dca8
Diffstat (limited to 'contrib/libs/cxxsupp/libcxx/include/__bit/bit_ceil.h')
| -rw-r--r-- | contrib/libs/cxxsupp/libcxx/include/__bit/bit_ceil.h | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/contrib/libs/cxxsupp/libcxx/include/__bit/bit_ceil.h b/contrib/libs/cxxsupp/libcxx/include/__bit/bit_ceil.h index 706d446359..9eae5c391a 100644 --- a/contrib/libs/cxxsupp/libcxx/include/__bit/bit_ceil.h +++ b/contrib/libs/cxxsupp/libcxx/include/__bit/bit_ceil.h @@ -21,13 +21,13 @@ _LIBCPP_BEGIN_NAMESPACE_STD -#if _LIBCPP_STD_VER >= 20 +#if _LIBCPP_STD_VER >= 17 -template <__libcpp_unsigned_integer _Tp> -_LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI constexpr _Tp bit_ceil(_Tp __t) noexcept { +template <class _Tp> +_LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI constexpr _Tp __bit_ceil(_Tp __t) noexcept { if (__t < 2) return 1; - const unsigned __n = numeric_limits<_Tp>::digits - std::countl_zero((_Tp)(__t - 1u)); + const unsigned __n = numeric_limits<_Tp>::digits - std::__countl_zero((_Tp)(__t - 1u)); _LIBCPP_ASSERT_UNCATEGORIZED(__n != numeric_limits<_Tp>::digits, "Bad input to bit_ceil"); if constexpr (sizeof(_Tp) >= sizeof(unsigned)) @@ -39,7 +39,15 @@ _LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI constexpr _Tp bit_ceil(_Tp __t) noex } } -#endif // _LIBCPP_STD_VER >= 20 +# if _LIBCPP_STD_VER >= 20 + +template <__libcpp_unsigned_integer _Tp> +_LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI constexpr _Tp bit_ceil(_Tp __t) noexcept { + return std::__bit_ceil(__t); +} + +# endif // _LIBCPP_STD_VER >= 20 +#endif // _LIBCPP_STD_VER >= 17 _LIBCPP_END_NAMESPACE_STD |