Function match_length

crates/openquant/src/microstructural_features.rs:561–586

(message: &str, start: usize, window: usize)

}

fn match_length(message: &str, start: usize, window: usize) -> usize {
    let mut matched = 0usize;
    let start_window = start.saturating_sub(window);
    for length in 0..window {
        let end1 = start + length + 1;
        if end1 > message.len() {
            break;
        }
        let msg1 = &message[start..end1];
        for j in start_window..start {
            let end0 = j + length + 1;
            if end0 > message.len() {
                continue;
            }
            let msg0 = &message[j..end0];
            if msg0.len() != msg1.len() {
                continue;
            }
            if msg0 == msg1 {
                matched = msg1.len();
                break;
            }
        }
    }
    matched + 1
}

pub fn get_konto_entropy(message: &str, window: usize) -> f64 {
    if message.len() < 2 {