popCount32
popCount32(
value):number
Defined in: packages/core/src/number/bit/pop-count32.ts:10
Counts the set bits in the low 32 bits of value (Hamming weight).
SWAR (SIMD-within-a-register): sums adjacent bit-pairs, then nibbles, then bytes, then all four bytes in one multiply — no loop, no lookup table.
Parameters
Section titled “Parameters”number
The value to count; only its low 32 bits are considered.
Returns
Section titled “Returns”number
The number of set bits, from 0 to 32.