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| author | Maxim Yurchuk <maxim-yurchuk@ydb.tech> | 2024-11-20 17:37:57 +0000 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-11-20 17:37:57 +0000 |
| commit | f76323e9b295c15751e51e3443aa47a36bee8023 (patch) | |
| tree | 4113c8cad473a33e0f746966e0cf087252fa1d7a /contrib/libs/cxxsupp/libcxx/include/experimental/__simd/utility.h | |
| parent | 753ecb8d410a4cb459c26f3a0082fb2d1724fe63 (diff) | |
| parent | a7b9a6afea2a9d7a7bfac4c5eb4c1a8e60adb9e6 (diff) | |
| download | ydb-f76323e9b295c15751e51e3443aa47a36bee8023.tar.gz | |
Merge pull request #11788 from ydb-platform/mergelibs-241120-1113
Library import 241120-1113
Diffstat (limited to 'contrib/libs/cxxsupp/libcxx/include/experimental/__simd/utility.h')
| -rw-r--r-- | contrib/libs/cxxsupp/libcxx/include/experimental/__simd/utility.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/contrib/libs/cxxsupp/libcxx/include/experimental/__simd/utility.h b/contrib/libs/cxxsupp/libcxx/include/experimental/__simd/utility.h index 0dba345e05..847d006629 100644 --- a/contrib/libs/cxxsupp/libcxx/include/experimental/__simd/utility.h +++ b/contrib/libs/cxxsupp/libcxx/include/experimental/__simd/utility.h @@ -19,6 +19,7 @@ #include <__type_traits/is_volatile.h> #include <__type_traits/void_t.h> #include <__utility/declval.h> +#include <__utility/integer_sequence.h> #include <cstdint> #include <limits> @@ -71,6 +72,25 @@ inline constexpr bool __can_broadcast_v = (!__is_vectorizable_v<_Up> && is_convertible_v<_Up, _Tp>) || is_same_v<_Up, int> || (is_same_v<_Up, unsigned int> && is_unsigned_v<_Tp>); +template <class _Tp, class _Generator, std::size_t _Idx, class = void> +inline constexpr bool __is_well_formed = false; + +template <class _Tp, class _Generator, std::size_t _Idx> +inline constexpr bool + __is_well_formed<_Tp, + _Generator, + _Idx, + std::void_t<decltype(std::declval<_Generator>()(integral_constant<size_t, _Idx>()))>> = + __can_broadcast_v<_Tp, decltype(std::declval<_Generator>()(integral_constant<size_t, _Idx>()))>; + +template <class _Tp, class _Generator, std::size_t... _Idxes> +_LIBCPP_HIDE_FROM_ABI constexpr bool __can_generate(index_sequence<_Idxes...>) { + return (true && ... && __is_well_formed<_Tp, _Generator, _Idxes>); +} + +template <class _Tp, class _Generator, std::size_t _Size> +inline constexpr bool __can_generate_v = experimental::__can_generate<_Tp, _Generator>(make_index_sequence<_Size>()); + } // namespace parallelism_v2 _LIBCPP_END_NAMESPACE_EXPERIMENTAL |