Struct ProjectionCache 

pub struct ProjectionCache {
    pub directions: Vec<Vec<f32>>,
    pub num_projections: usize,
    pub dim: usize,
}

Cache for random projection directions

Fields

directions: Vec<Vec<f32>>

Random unit directions [P × dim]

num_projections: usize

Number of projections

dim: usize

Dimension

Implementations

impl ProjectionCache

pub fn new(dim: usize, num_projections: usize, seed: u64) -> Self

Create new projection cache with P random directions

pub fn project(&self, vector: &[f32]) -> Vec<f32>

Project a single vector onto all directions Returns [P] projected values

pub fn project_into(&self, vector: &[f32], out: &mut [f32])

Project a single vector into pre-allocated buffer

Trait Implementations

impl Clone for ProjectionCache

fn clone(&self) -> ProjectionCache

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ProjectionCache

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

Formats the value using the given formatter.