Crate hamming

A crate to count ones, fast (aka popcount, hamming weight).

Installation

Add this to your Cargo.toml:

[dependencies]
hamming = "0.1"

Examples

assert_eq!(hamming::weight(&[1, 0xFF, 1, 0xFF]), 1 + 8 + 1 + 8);

Functions

weight

Computes the Hamming weight of x, that is, the population count, or number of 1.