@extra-integer/log-2 v2.0.49

Finds log-base-2. :package: :smiley_cat: :running: :vhs: :moon: :scroll: :newspaper: :blue_book:

Alternatives: log2, log10. Similar: log2, pow2, isPow2, nextPow2, prevPow2.

This is part of package extra-integer.

integer.log2(x);
// x: an int32

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

integer.log2(64);
// 6

integer.log2(31);
// 4

integer.log2(1);
// 0

References

• DeBruijn method: Bit Twiddling Hacks
• bit-twiddle: @mikolalysenko