in src/scalar.rs [1352:1360]
fn non_adjacent_form_random() {
let mut rng = rand::thread_rng();
for _ in 0..1_000 {
let x = Scalar::random(&mut rng);
for w in &[5, 6, 7, 8] {
non_adjacent_form_iter(*w, &x);
}
}
}