Function rans_decode_renorm

nodedb-codec/src/rans.rs:252–258

(mut state: u32, stream: &[u8], pos: &mut usize)

}

fn rans_decode_renorm(mut state: u32, stream: &[u8], pos: &mut usize) -> u32 {
    while state < RANS_L && *pos > 0 {
        *pos -= 1;
        state = (state << 8) | stream[*pos] as u32;
    }
    state
}

// ---------------------------------------------------------------------------
// Frequency table operations