Function warmup_indices

crates/openquant/src/sb_bagging.rs:99–101

(rng: &mut StdRng, n_labels: usize, n: usize)

) -> Vec<usize> {
    if bootstrap_features {
        (0..max_features).map(|_| rng.gen_range(0..n_features)).collect()
    } else {
        let mut all: Vec<usize> = (0..n_features).collect();
        all.shuffle(rng);
        all.into_iter().take(max_features).collect()
    }