Class NDArray

constructor

• new NDArray(handle, isView, lib, ctx): NDArray

• Parameters

  • handle: number

  • isView: boolean

  • lib: FFILibrary

  • ctx: RuntimeContext

  Returns NDArray

device

dtype

isView

ndim

shape

copyFrom

• copyFrom(data): NDArray

• Copy data from another NDArray or javascript array. The number of elements must match.

  Parameters

  • data: number[] | Float32Array | NDArray

    The source data array.

  Returns NDArray

  this

copyFromRawBytes

• copyFromRawBytes(data): NDArray

• Copy data from raw bytes.

  Parameters

  • data: Uint8Array

    Uint8Array of bytes.

  Returns NDArray

  this

dispose

• dispose(): void

• Dispose the internal resource This function can be called multiple times, only the first call will take effect.

  Returns void

getDataPtr

• getDataPtr(): number

• Get dataPtr of NDarray

  Returns number

  The handle.

getHandle

• getHandle(requireNotNull?): number

• Get handle of ndarray, check it is not null.

  Parameters

  • requireNotNull: boolean = true

    require handle is not null.

  Returns number

  The handle.

toArray

• toArray(): Uint8Array | Int32Array | Float32Array | Float64Array | Int8Array

• Return a TypedArray copy of the NDArray, the specific type depends on the dtype of the NDArray.

  Returns Uint8Array | Int32Array | Float32Array | Float64Array | Int8Array

  The result array.

toRawBytes

• toRawBytes(): Uint8Array

• Return a copied Uint8Array of the raw bytes in the NDArray.

  Returns Uint8Array

  The result array.

view

• view(shape, dtype?): NDArray

• Create a view of the array.

  Parameters

  • shape: number[]

    The shape of the view.

  • Optional dtype: string

    The data type of the new array.

  Returns NDArray

  The new sliced ndarray.