Function bucket_count_afl

hail-fuzz/src/coverage.rs:265–277

(count: u8)

/// that each bit in the output byte corresponds to a range of counts.
#[rustfmt::skip]
const fn bucket_count_afl(count: u8) -> u8 {
    match count {
        0         => 0b0000_0000,
        1         => 0b0000_0001,
        2         => 0b0000_0010,
        3         => 0b0000_0100,
        4..=7     => 0b0000_1000,
        8..=15    => 0b0001_0000,
        16..=31   => 0b0010_0000,
        32..=127  => 0b0100_0000,
        128..=255 => 0b1000_0000,
    }
}

/// Modified that avoids treating smaller counts as interesting if we already have inputs that reach
/// larger counts.