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bit_util: Implement MostSignificantBit

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MerryMage 2018-06-28 21:44:35 +01:00
parent 95ad0d0a66
commit b00fe23b91
1 changed files with 5 additions and 0 deletions
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5
src/common/bit_util.h
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@ -151,6 +151,11 @@ inline size_t LowestSetBit(T value) {
return result; return result;
} }
template <typename T>
inline bool MostSignificantBit(T value) {
return Bit<BitSize<T>() - 1, T>(value);
}
template <typename T> template <typename T>
inline T Replicate(T value, size_t element_size) { inline T Replicate(T value, size_t element_size) {
ASSERT_MSG(BitSize<T>() % element_size == 0, "bitsize of T not divisible by element_size"); ASSERT_MSG(BitSize<T>() % element_size == 0, "bitsize of T not divisible by element_size");