Print more detailled warning.

theano/sandbox/cuda/opt.py

@@ -670,8 +670,10 @@ def local_gpu_careduce(node):
                         if unreshaped_reduce.type == node.outputs[0].type:
                             return [unreshaped_reduce]
                         else:
-                            print >> sys.stderr, \
-                                "WARNING: local_gpu_careduce got type wrong"
+                            print >> sys.stderr, (
+                                "WARNING: local_gpu_careduce got type wrong",
+                                unreshaped_reduce.type, node.outputs[0].type,
+                                node)
                             return None
 
     return False