// tracing: off
import { MASK } from "../Config" // Bit Ops

/**
 * Hamming weight.
 *
 * Taken from: http://jsperf.com/hamming-weight
 */

export function popcount(x) {
  x -= (x >> 1) & 0x55555555
  x = (x & 0x33333333) + ((x >> 2) & 0x33333333)
  x = (x + (x >> 4)) & 0x0f0f0f0f
  x += x >> 8
  x += x >> 16
  return x & 0x7f
}
export function hashFragment(shift, h) {
  return (h >>> shift) & MASK
}
export function toBitmap(x) {
  return 1 << x
}
export function fromBitmap(bitmap, bit) {
  return popcount(bitmap & (bit - 1))
}
//# sourceMappingURL=index.js.map
