Struct CsrView 

pub struct CsrView<'a> {
    pub indptr: &'a [i64],
    pub indices: &'a [i32],
    pub data: &'a [f32],
    pub n_dims: usize,
}

A borrowed CSR matrix: row r holds indices[indptr[r]..indptr[r + 1]] with data values.

Fields

indptr: &'a [i64]

indices: &'a [i32]

data: &'a [f32]

n_dims: usize

Implementations

impl<'a> CsrView<'a>

pub fn from_spmat(bytes: &'a [u8]) -> Result<Self, SparseIndexError>

Reads the big-ann-benchmarks spmat layout: int64 rows, cols and nnz, then int64 indptr, int32 indices and float32 data. bytes must be 8-byte aligned (a memory map is).

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

Checks lengths, monotone offsets and coordinate range.

pub fn row(&self, r: usize) -> (&'a [i32], &'a [f32])

Coordinates and values of row r.

Trait Implementations

impl<'a> Clone for CsrView<'a>

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<'a> Copy for CsrView<'a>