# HG changeset patch
# User Pascal Lamblin <lamblinp@iro.umontreal.ca>
# Date 1297729657 18000
# Node ID 8661f8ad407a7508ac25bc6a658b4678a69c16c8
# Parent  dce602150b5fad25fdac5c236a61df8b8f68c98f
Add a cast in the chain of transformation of initial data set

diff -r dce602150b5f -r 8661f8ad407a pylearn/datasets/utlc.py
--- a/pylearn/datasets/utlc.py	Tue Feb 08 16:19:46 2011 -0500
+++ b/pylearn/datasets/utlc.py	Mon Feb 14 19:27:37 2011 -0500
@@ -67,9 +67,14 @@
 
     if normalize or normalize_on_the_fly:
         if normalize_on_the_fly:
+            # Shared variables of the original type
             train = theano.shared(train, borrow=True, name=name+"_train")
             valid = theano.shared(valid, borrow=True, name=name+"_valid")
             test = theano.shared(test, borrow=True, name=name+"_test")
+            # Symbolic variables cast into floatX
+            train = theano.tensor.cast(train, theano.config.floatX)
+            valid = theano.tensor.cast(valid, theano.config.floatX)
+            test = theano.tensor.cast(test, theano.config.floatX)
         else:
             train = numpy.asarray(train, theano.config.floatX)
             valid = numpy.asarray(valid, theano.config.floatX)