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| author | bunnei <bunneidev@gmail.com> | 2022-03-10 00:34:42 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-03-10 00:34:42 +0100 |
| commit | 9a97ef46478c999fc1220f0963847667dae795ce (patch) | |
| tree | 8367047d071fae6c273faf0e6a61120e6c087f05 /src/common/bit_util.h | |
| parent | Merge pull request #7975 from bunnei/ldr-fix (diff) | |
| parent | cpu_detect: Add missing `lzcnt` detection (diff) | |
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Diffstat (limited to '')
| -rw-r--r-- | src/common/bit_util.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/common/bit_util.h b/src/common/bit_util.h index f50d3308a..f37538e06 100644 --- a/src/common/bit_util.h +++ b/src/common/bit_util.h @@ -57,4 +57,11 @@ requires std::is_integral_v<T> return static_cast<T>(1ULL << ((8U * sizeof(T)) - std::countl_zero(value - 1U))); } +template <size_t bit_index, typename T> +requires std::is_integral_v<T> +[[nodiscard]] constexpr bool Bit(const T value) { + static_assert(bit_index < BitSize<T>(), "bit_index must be smaller than size of T"); + return ((value >> bit_index) & T(1)) == T(1); +} + } // namespace Common |