@spiceErrorCheck<EOL>def insrtd(item, inset):
assert isinstance(inset, stypes.SpiceCell)<EOL>if hasattr(item, "<STR_LIT>"):<EOL><INDENT>for d in item:<EOL><INDENT>libspice.insrtd_c(ctypes.c_double(d), ctypes.byref(inset))<EOL><DEDENT><DEDENT>else:<EOL><INDENT>item = ctypes.c_double(item)<EOL>libspice.insrtd_c(item, ctypes.byref(inset))<EOL><DEDENT>
Insert an item into a double precision set.

http://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/insrtd_c.html

:param item: Item to be inserted.
:type item: Union[float,Iterable[float]]
:param inset: Insertion set.
:type inset: spiceypy.utils.support_types.SpiceCell