def __init__(self, prec):
if isinstance(prec, PrecisionDeg2):
self.__prec = prec.__prec
self.__type = prec.__type
elif isinstance(prec, (int, Integer)):
self.__prec = prec
self.__type = "diag_max"
elif isinstance(prec, (frozenset, set, tuple, list)) \
and all([_is_triple_of_integers(a) for a in prec]):
self.__prec = frozenset(prec)
self.__type = "tuples"
else:
raise TypeError("self must be an integer or " +
"a collection of tuples of integers.")
def __init__(self, tpl):
(self._n, self._r, self._m) = tpl
if not _is_triple_of_integers(tpl):
raise TypeError("tpl must be a triple of integers.")
self._t = tpl
