Popcnt32
Calculate population count (popcnt) on a 32-bit number, branch free
Install / Use
/learn @emilbayes/Popcnt32README
popcnt32
Calculate population count (popcnt) on a 32-bit number, branch free
Usage
var popcnt32 = require('popcnt32')
popcnt32(0b1) // 1
popcnt32(0b1000001) // 2
API
const ones = popcnt32(int)
Return number of 1-bits in int. Int is implicitly cast to a 32-bit unsigned
int. This means popcnt32(-1) === 32 while popcnt32(1) === 1
Install
npm install popcnt32
License
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