ref: e50f96a4a3c4974f784fa764a29c873a58cca150
parent: cbcfbe1b2987386ff21075d32f12633458556708
author: Johann <johannkoenig@google.com>
date: Mon Mar 5 11:50:33 EST 2012
Move SAD and variance functions to common The MFQE function of the postprocessor depends on these Change-Id: I256a37c6de079fe92ce744b1f11e16526d06b50a