factor

Author	SHA1	Message	Date
John Benediktsson	a2d5f8e9ad	math.cardinality: relax the comparison so tests run more successfully.	2017-01-05 09:06:33 -08:00
John Benediktsson	5376587fb3	math.cardinality: adding some tests.	2017-01-04 14:16:58 -08:00