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Jonathan Campbell 2018-06-15 00:45:19 -07:00
parent b245287f09
commit c2136c51a5
1 changed files with 1 additions and 0 deletions
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include/bitop.h
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@ -297,6 +297,7 @@ template <typename T=unsigned int> static inline constexpr bool ispowerof2(const
* *
* The constexpr templated version will trigger a static_assert if v == 0. * The constexpr templated version will trigger a static_assert if v == 0.
* *
* log2(2^32 - 1) == 31 2^32 - 1 = 0xFFFFFFFF
* log2(2^31) == 31 * log2(2^31) == 31
* log2(2^30) == 30 * log2(2^30) == 30
* log2(2^16) == 16 2^16 == 65536 * log2(2^16) == 16 2^16 == 65536