healpy.pixelfunc.isnsideok

healpy.pixelfunc.isnsideok(nside)

Returns True if nside is a valid nside parameter, False otherwise.

Parameters:

nside : int, scalar or array-like

integer value to be tested

Returns:

ok : bool, scalar or array-like

True if given value is a valid nside, False otherwise.

Examples

>>> import healpy as hp
>>> hp.isnsideok(13)
False

>>> hp.isnsideok(32)
True

>>> hp.isnsideok([1, 2, 3, 4, 8, 16])
array([ True,  True, False,  True,  True,  True], dtype=bool)