# HG changeset patch
# User James Bergstra <bergstrj@iro.umontreal.ca>
# Date 1238442282 14400
# Node ID 15a317a02f0811cedaf59caace7520cf6088d466
# Parent  719194960d180a03e5a8349452c0460077f46a2a
added sgd_minimizer back into sgd

diff -r 719194960d18 -r 15a317a02f08 pylearn/algorithms/sgd.py
--- a/pylearn/algorithms/sgd.py	Mon Mar 30 12:26:01 2009 -0400
+++ b/pylearn/algorithms/sgd.py	Mon Mar 30 15:44:42 2009 -0400
@@ -38,3 +38,11 @@
     def _instance_initialize(self, obj):
         pass
 
+def sgd_minimizer(stepsize=None):
+    """Curry the stepsize argument to StochasticGradientDescent, providing standard minimizer interface
+    
+    :returns: standard minimizer constructor f(args, cost, params, gradient=None)
+    """
+    def f(args, cost, params, gradient=None):
+        return StochasticGradientDescent(args, cost, params, gradient, stepsize)
+    return f