Struct Cosine 

pub struct Cosine;

Cosine distance, defined as 1 − cosine_similarity(a, b).

Range is [0, 2]. Returns 1.0 if either vector has zero norm (chosen over NaN for HNSW compatibility).

Trait Implementations

impl Clone for Cosine

fn clone(&self) -> Cosine

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Cosine

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

Formats the value using the given formatter.

impl Default for Cosine

fn default() -> Cosine

Returns the “default value” for a type.

impl Metric for Cosine

type Point = Vec<f32>

The point type this metric measures distances between.

fn distance(&self, a: &Self::Point, b: &Self::Point) -> f32

Compute the distance between two points.

fn dim(&self, point: &Self::Point) -> usize

Return the number of dimensions / components of point.

impl Copy for Cosine