Struct CooIndices 

pub struct CooIndices {
    pub rows: Vec<usize>,
    pub cols: Vec<usize>,
    pub extra_dims: Vec<Vec<usize>>,
}

COO (Coordinate) format sparse tensor indices

Fields

rows: Vec<usize>

Row indices (length = nnz)

cols: Vec<usize>

Column indices (length = nnz)

extra_dims: Vec<Vec<usize>>

Higher dimension indices for tensors with ndim > 2

Implementations

impl CooIndices

pub fn new_2d(rows: Vec<usize>, cols: Vec<usize>) -> Self

Create new COO indices for 2D tensor

pub fn new_nd(indices: Vec<Vec<usize>>) -> Self

Create new COO indices for N-D tensor

pub fn nnz(&self) -> usize

Get number of non-zero elements

pub fn ndim(&self) -> usize

Get number of dimensions

pub fn is_sorted(&self) -> bool

Check if indices are sorted in lexicographic order

pub fn sort(&mut self) -> Vec<usize>

Sort indices in lexicographic order, returning permutation

Trait Implementations

impl Clone for CooIndices

fn clone(&self) -> CooIndices

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for CooIndices

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

Formats the value using the given formatter.