popCount64
popCount64(
value):number
Defined in: packages/core/src/big-int/bit/pop-count64.ts:13
Counts the set bits in the low 64 bits of value (Hamming weight).
The 64-bit counterpart of popcount32: the same SWAR reduction with
bigint masks and a final byte-sum multiply instead of a loop.
Parameters
Section titled “Parameters”bigint
The value to count; only its low 64 bits are considered.
Returns
Section titled “Returns”number
The number of set bits, from 0 to 64.