Struct Chamfer 

pub struct Chamfer;

Asymmetric Chamfer distance for multi-vector similarity.

Computes the sum of per-query-vector maximum similarities:

Chamfer(Q, D) = Σᵢ minⱼ -IP(qᵢ, dⱼ)

Implements PureDistanceFunction for matrix view types.

Trait Implementations

impl Clone for Chamfer

fn clone(&self) -> Chamfer

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Chamfer

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

Formats the value using the given formatter.

impl<const NBITS: usize> PureDistanceFunction<QueryMatRef<'_, MinMaxMeta<NBITS>>, MatRef<'_, MinMaxMeta<NBITS>>> for Chamfer

where Unsigned: Representation<NBITS>, InnerProduct: for<'a, 'b> PureDistanceFunction<BitSlice<'a, NBITS, Unsigned>, BitSlice<'b, NBITS, Unsigned>, MathematicalResult<u32>>,

fn evaluate( query: QueryMatRef<'_, MinMaxMeta<NBITS>>, doc: MatRef<'_, MinMaxMeta<NBITS>>, ) -> f32

impl<T: Copy> PureDistanceFunction<QueryMatRef<'_, Standard<T>>, MatRef<'_, Standard<T>>> for Chamfer

where InnerProduct: for<'a, 'b> PureDistanceFunction<&'a [T], &'b [T], f32>,

fn evaluate( query: QueryMatRef<'_, Standard<T>>, doc: MatRef<'_, Standard<T>>, ) -> f32

impl Copy for Chamfer