dmd v2.104.0 (2023-06-02T08:46:32Z)
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ispow2
dmd
backend
util2
If c is a power of 2, return that power else -1.
extern (
C
++) nothrow @
safe
int
ispow2
(
ulong
c
)
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UTIL_PH
If c is a power of 2, return that power else -1.