Struct MmapNpyArray2U8 

pub struct MmapNpyArray2U8 { /* private fields */ }

Memory-mapped NPY array for u8 values (used for residuals).

This struct provides zero-copy access to 2D u8 arrays stored in NPY format.

Implementations

impl MmapNpyArray2U8

pub fn from_npy_file(path: &Path) -> Result<Self>

Load a 2D u8 array from an NPY file.

pub fn shape(&self) -> (usize, usize)

Get the shape of the array.

pub fn nrows(&self) -> usize

Get the number of rows.

pub fn ncols(&self) -> usize

Get the number of columns.

pub fn slice_rows(&self, start: usize, end: usize) -> ArrayView2<'_, u8>

Get a view of rows [start..end] as ArrayView2.

pub fn view(&self) -> ArrayView2<'_, u8>

Get a view of the entire array.

pub fn row(&self, idx: usize) -> &[u8]

Get a single row as a slice.