# HG changeset patch
# User Olivier Breuleux <breuleuo@iro.umontreal.ca>
# Date 1217881770 14400
# Node ID eac0a7d44ff075bc31ed483eaf4681512ee37963
# Parent  0f366ecb11ee6f862c89dab2d3f9d2ca3b4f99fd# Parent  200a5b0e24ea93527b433e65c6fdf719487c66b9
merge

diff -r 200a5b0e24ea -r eac0a7d44ff0 cost.py
--- a/cost.py	Thu Jul 31 17:25:35 2008 -0400
+++ b/cost.py	Mon Aug 04 16:29:30 2008 -0400
@@ -8,4 +8,4 @@
     return T.mean(T.sqr(target - output), axis)
 
 def cross_entropy(target, output, axis=1):
-    return -T.mean(target * T.log2(output) + (1 - target) * T.log2(1 - output), axis=axis)
+    return -T.mean(target * T.log(output) + (1 - target) * T.log(1 - output), axis=axis)