cdef extern from *:
    ctypedef signed long long   npy_int64
    ctypedef class numpy.ndarray [object PyArrayObject, check_size ignore]:
            """Returns a pointer to the dimensions/shape of the array.
            """
ctypedef npy_int64      int64_t
cdef extern from "numpy/ndarrayobject.h":
    ctypedef int64_t npy_timedelta
cdef inline npy_timedelta get_timedelta64_value(object obj) noexcept nogil:
    """
    """
