from typing import assert_type import numpy as np import numpy.typing as npt nd: npt.NDArray[np.int64] # reshape assert_type(nd.reshape(None), npt.NDArray[np.int64]) assert_type(nd.reshape(4), np.ndarray[tuple[int], np.dtype[np.int64]]) assert_type(nd.reshape((4,)), np.ndarray[tuple[int], np.dtype[np.int64]]) assert_type(nd.reshape(2, 2), np.ndarray[tuple[int, int], np.dtype[np.int64]]) assert_type(nd.reshape((2, 2)), np.ndarray[tuple[int, int], np.dtype[np.int64]]) assert_type(nd.reshape((2, 2), order="C"), np.ndarray[tuple[int, int], np.dtype[np.int64]]) assert_type(nd.reshape(4, order="C"), np.ndarray[tuple[int], np.dtype[np.int64]]) # resize does not return a value # transpose assert_type(nd.transpose(), npt.NDArray[np.int64]) assert_type(nd.transpose(1, 0), npt.NDArray[np.int64]) assert_type(nd.transpose((1, 0)), npt.NDArray[np.int64]) # swapaxes assert_type(nd.swapaxes(0, 1), npt.NDArray[np.int64]) # flatten assert_type(nd.flatten(), np.ndarray[tuple[int], np.dtype[np.int64]]) assert_type(nd.flatten("C"), np.ndarray[tuple[int], np.dtype[np.int64]]) # ravel assert_type(nd.ravel(), np.ndarray[tuple[int], np.dtype[np.int64]]) assert_type(nd.ravel("C"), np.ndarray[tuple[int], np.dtype[np.int64]]) # squeeze assert_type(nd.squeeze(), npt.NDArray[np.int64]) assert_type(nd.squeeze(0), npt.NDArray[np.int64]) assert_type(nd.squeeze((0, 2)), npt.NDArray[np.int64])