Struct ProductQuantizer 

pub struct ProductQuantizer { /* private fields */ }

Product Quantizer

Implementations

impl ProductQuantizer

pub fn new(config: PQConfig) -> Self

Create a new product quantizer

pub fn with_dimension(dimension: usize) -> Self

Create with default config for dimension

pub fn train(&mut self, vectors: &[Vec<f32>])

Train the product quantizer

pub fn encode(&self, vector: &[f32]) -> PQCode

Encode a single vector to PQ codes

pub fn encode_batch(&self, vectors: &[Vec<f32>]) -> Vec<PQCode>

Encode multiple vectors

pub fn decode(&self, code: &PQCode) -> Vec<f32>

Decode PQ codes back to approximate vector

pub fn compute_distances(&self, query: &[f32], codes: &[PQCode]) -> Vec<f32>

Compute asymmetric distances from query to all codes

pub fn compression_ratio(&self) -> f32

Get compression ratio

pub fn config(&self) -> &PQConfig

Get configuration

pub fn is_trained(&self) -> bool

Check if trained