I want to slice through a 1D NumPy from within a C extension. I see all sorts of helper functions in the C API for creating fresh arrays, reshaping, indexing particular values, etc.. But I don't see anything like PyArray_Slice1D(array, start, stop, step). Does such a thing exist?
You can use Python API: create a slice object by PySlice_New()
and then call PyObject_GetItem()
:
PyObject* PySlice_New(PyObject *start, PyObject *stop, PyObject *step)
PyObject* PyObject_GetItem(PyObject *o, PyObject *key)
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