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Merge pull request #7695 from Morph1984/is-pow2
common: bit_util: Add IsPow2 helper function
pull/15/merge
bunnei
4 years ago
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1 changed files with
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src/common/bit_util.h
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@ -45,6 +45,12 @@ template <typename T> |
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return static_cast<u32>(log2_f + static_cast<u64>((value ^ (1ULL << log2_f)) != 0ULL)); |
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} |
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template <typename T> |
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requires std::is_unsigned_v<T> |
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[[nodiscard]] constexpr bool IsPow2(T value) { |
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return std::has_single_bit(value); |
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} |
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template <typename T> |
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requires std::is_integral_v<T> |
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[[nodiscard]] T NextPow2(T value) { |
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