lux/yuzu
1
0
Fork 0
mirror of https://git.h3cjp.net/H3cJP/yuzu.git synced 2024-11-15 16:32:53 +00:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #7695 from Morph1984/is-pow2

Browse source 
common: bit_util: Add IsPow2 helper function
This commit is contained in:
bunnei 2022-01-20 18:06:11 -08:00 committed by GitHub
parent e781f6e767 d92b5fc435
commit ef7c50b276
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 6 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
src/common/bit_util.h
View file

@ -45,6 +45,12 @@ template <typename T>
return static_cast<u32>(log2_f + static_cast<u64>((value ^ (1ULL << log2_f)) != 0ULL)); return static_cast<u32>(log2_f + static_cast<u64>((value ^ (1ULL << log2_f)) != 0ULL));
} }
template <typename T>
requires std::is_unsigned_v<T>
[[nodiscard]] constexpr bool IsPow2(T value) {
return std::has_single_bit(value);
}
template <typename T> template <typename T>
requires std::is_integral_v<T> requires std::is_integral_v<T>
[[nodiscard]] T NextPow2(T value) { [[nodiscard]] T NextPow2(T value) {