def get_array_xcorr(name_or_func=None):
func = _get_registerd_func(name_or_func)<EOL>return func.array_xcorr<EOL>
Get an normalized cross correlation function that takes arrays as inputs.

See :func:`eqcorrscan.utils.correlate.array_normxcorr` for expected
function signature.

:param name_or_func: Either a name of a registered xcorr function or a
    callable that implements the standard array_normxcorr signature.
:type name_or_func: str or callable

:return: callable wth array_normxcorr interface

see also :func:`eqcorrscan.utils.correlate.get_stream_xcorr`