tree 8435586d6e86796bb5f653ba2c910d726382985e
parent bf9c6b76067e2710e6935236f4f5f3e4b594bb4d
author Jingning Han <jingning@google.com> 1481757990 -0800
committer Jingning Han <jingning@google.com> 1481833159 +0000

Add 2x4 and 4x2 variance functions

Change-Id: Ic2fbc66e9212da32930c6a8ba1a749e3a37c5b9a