2 commits

Author	SHA1	Message	Date
Jerry (Xinyu Hou)	c994b0a4f7	Make sure all variables are non zero #5030	2015-11-19 13:46:46 -08:00
Jerry (Xinyu Hou)	1ccc258455	Add DPI helper #5030	2015-11-19 13:46:45 -08:00