Struct PcaMatrix 

pub struct PcaMatrix { /* private fields */ }

Implementations

impl PcaMatrix

pub fn new( d_in: u32, d_out: u32, eigen_power: f32, random_rotation: bool, ) -> Result<Self>

pub fn eigen_power(&self) -> f32

pub fn random_rotation(&self) -> bool

Trait Implementations

impl Drop for PcaMatrix

fn drop(&mut self)

Executes the destructor for this type.

impl LinearTransform for PcaMatrix

fn inner_linear_ptr(&self) -> *mut FaissLinearTransform

fn transform_transpose(&self, n: usize, y: &[f32], x: &mut [f32])

fn set_is_orthonormal(&mut self)

fn have_bias(&self) -> bool

fn is_orthonormal(&self) -> bool

impl VectorTransform for PcaMatrix

fn inner_ptr(&self) -> *mut FaissVectorTransform

fn is_trained(&self) -> bool

fn d_in(&self) -> u32

fn d_out(&self) -> u32

fn train(&mut self, n: usize, x: &[f32]) -> Result<()>

fn apply(&self, n: usize, x: &[f32]) -> Result<Vec<f32>>

fn apply_noalloc(&self, n: usize, x: &[f32], xt: &mut [f32])

fn reverse_transform(&self, n: usize, xt: &[f32], x: &mut [f32])