Struct dsi_bitstream::codes::CodesStats

pub struct CodesStats {
    pub unary: AtomicUsize,
    pub gamma: AtomicUsize,
    pub delta: AtomicUsize,
    pub zeta: [AtomicUsize; 10],
    pub golomb: [AtomicUsize; 20],
}

Keeps track of the space needed to store a stream of integers using different codes.

This structure can be used to determine empirically which code provides the best compression for a given stream.

Fields

unary: AtomicUsize

gamma: AtomicUsize

delta: AtomicUsize

zeta: [AtomicUsize; 10]

golomb: [AtomicUsize; 20]

Implementations

impl CodesStats

pub fn update(&self, n: u64) -> u64

Update the stats with the lengths of the codes for n and return back n for convenience.

pub fn get_best_code(&self) -> (Code, usize)

Return the best code for the stream and its space usage.

Trait Implementations

impl Debug for CodesStats

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for CodesStats

fn default() -> CodesStats

Returns the “default value” for a type.