int PyArray_NDIM()
Array API
Array structure and data access
These macros all access the PyArrayObject structure members. The input argument, arr, can be any PyObject * that is directly interpretable as a PyArrayObject * (any instance of the PyArray_Type and its sub-types).
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int PyArray_NDIM(PyArrayObject *arr) -
The number of dimensions in the array.
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npy_intp *PyArray_DIMS(PyArrayObject *arr) -
Returns a pointer to the dimensions/shape of the array.