# HG changeset patch
# User Joseph Turian <turian@gmail.com>
# Date 1220476489 14400
# Node ID 2bb67e978c28a4f6d49020b8d0e7dd8c942b94e2
# Parent  0961d4b56ec50bd7ffdee640e364962aaea1de78
updated doc

diff -r 0961d4b56ec5 -r 2bb67e978c28 cost.py
--- a/cost.py	Wed Sep 03 17:08:54 2008 -0400
+++ b/cost.py	Wed Sep 03 17:14:49 2008 -0400
@@ -13,5 +13,6 @@
 def cross_entropy(target, output, axis=1):
     """
     @todo: This is essentially duplicated as nnet_ops.binary_crossentropy
+    @warning: OUTPUT and TARGET are reversed in nnet_ops.binary_crossentropy
     """
     return -T.mean(target * T.log(output) + (1 - target) * T.log(1 - output), axis=axis)
diff -r 0961d4b56ec5 -r 2bb67e978c28 nnet_ops.py
--- a/nnet_ops.py	Wed Sep 03 17:08:54 2008 -0400
+++ b/nnet_ops.py	Wed Sep 03 17:14:49 2008 -0400
@@ -611,6 +611,7 @@
     @note: We do not sum, crossentropy is computed by component.
     @todo: Rewrite as a scalar, and then broadcast to tensor.
     @todo: This is essentially duplicated as cost.cross_entropy
+    @warning: OUTPUT and TARGET are reversed in cost.cross_entropy
     """
     return -(target * tensor.log(output) + (1 - target) * tensor.log(1 - output))