@extra-bit/scan-reverse

Finds index of first set bit from MSB. :package: :smiley_cat: :running: :vhs: :moon: :scroll: :newspaper: :blue_book:

Usage no npm install needed!

<script type="module">
  import extraBitScanReverse from 'https://cdn.skypack.dev/@extra-bit/scan-reverse';
</script>

Alternatives: scan, scanReverse.

This is part of package extra-bit.

bit.scanReverse(x);
// x: an int32

const bit = require("extra-bit");

bit.scanReverse(13);
// 13 (1101 ⇒ 3)

bit.scanReverse(5);
// 2 (101 ⇒ 2)

bit.scanReverse(1);
// 0 (1 ⇒ 0)