4 commits

Author	SHA1	Message	Date
opiopan	e3c59e39cf	expand test and fix many issues	2019-04-07 22:22:33 +09:00
opiopan	cb420e39e2	fix a rotaion issue	2019-04-03 00:30:00 +09:00
opiopan	690df56bb7	add rotation fuction	2019-03-23 21:59:13 +09:00
opiopan	9febca7da6	initial commit	2019-03-21 22:00:32 +09:00