# HG changeset patch
# User Frederic Bastien <bastienf@iro.umontreal.ca>
# Date 1244749472 14400
# Node ID 72ce8288a2835f6a2ff56ea67552d08002f4de17
# Parent  164a76c8346f8bb58da61e986d09269414dfa611
small optimisation

diff -r 164a76c8346f -r 72ce8288a283 pylearn/algorithms/sandbox/DAA_inputs_groups.py
--- a/pylearn/algorithms/sandbox/DAA_inputs_groups.py	Thu Jun 11 13:35:31 2009 -0400
+++ b/pylearn/algorithms/sandbox/DAA_inputs_groups.py	Thu Jun 11 15:44:32 2009 -0400
@@ -19,6 +19,7 @@
     if type == 'l1':
         return T.sum(T.abs(param))
     if type == 'l2':
+        return T.sum(param*param)#faster...
         return T.sum(T.pow(param,2))
     raise NotImplementedError('Only l1 and l2 regularization are currently implemented')