Struct SparseVector 

pub struct SparseVector {
    pub indices: Vec<u32>,
    pub values: Vec<f32>,
}

A sparse vector: parallel indices and values. Indices are dimension ids into a (possibly very large) sparse vocabulary; values are their weights.

Fields

indices: Vec<u32>

Dimension ids. After SparseVector::normalized they are sorted and unique.

values: Vec<f32>

Per-index weights, parallel to indices.

Implementations

impl SparseVector

pub fn validate(&self) -> Result<(), String>

Validate shape: equal-length, and no duplicate index after sorting.

pub fn len(&self) -> usize

Number of non-zero terms.

pub fn is_empty(&self) -> bool

Whether the vector has no terms.

pub fn normalized(&self) -> SparseVector

Return a copy with indices sorted ascending (values kept parallel). The canonical form the inverted index and dot assume.

pub fn dot(&self, other: &SparseVector) -> f32

Dot product with another sparse vector. Order-independent (builds a small lookup over self), so callers need not pre-sort.

Trait Implementations

impl Clone for SparseVector

fn clone(&self) -> SparseVector

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for SparseVector

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for SparseVector

fn deserialize<__D>( __deserializer: __D, ) -> Result<SparseVector, <__D as Deserializer<'de>>::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl PartialEq for SparseVector

fn eq(&self, other: &SparseVector) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Serialize for SparseVector

fn serialize<__S>( &self, __serializer: __S, ) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for SparseVector