Jingning Han d5c396a902 Replace division with bit shift in choose_partitioning
This commit explicitly uses the bit shift operation instead of
division for computing block variance.

Change-Id: Id19c0ff27dd1d1ae4aceee6657e1aad0d406bd74
2014-12-11 11:06:57 -08:00
..
2014-07-07 14:52:19 -07:00