tree 33ea65245540a56795a99cc250254c75b30d0b93
parent 45ac14fac74ebb4bcc1faea744c0f5c4276b08a9
author Sameer Agarwal <sameeragarwal@google.com> 1369159194 -0700
committer Sameer Agarwal <sameeragarwal@google.com> 1369174341 -0700

Add profiling to covariance estimation.

Prevent GetCovarianceBlock from being called before
Compute or when Compute failed.

Change-Id: I5c28d27a88081e230d316c5e365d3e21d6e23376