From 1eeb11ef6190a7697cdce7914646a0d6163e7597 Mon Sep 17 00:00:00 2001
From: sneaxiy <sneaxiy@126.com>
Date: Tue, 12 Jun 2018 02:43:44 +0000
Subject: [PATCH] refine ZeroGradFunctor in activation_op.h

---
 paddle/fluid/operators/activation_op.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/paddle/fluid/operators/activation_op.h b/paddle/fluid/operators/activation_op.h
index 912415192..497a23333 100644
--- a/paddle/fluid/operators/activation_op.h
+++ b/paddle/fluid/operators/activation_op.h
@@ -353,7 +353,7 @@ struct ZeroGradFunctor : public BaseActivationFunctor<T> {
   template <typename Device, typename X, typename Out, typename dOut,
             typename dX>
   void operator()(Device d, X x, Out out, dOut dout, dX dx) const {
-    dx.device(d) = static_cast<T>(0) / out;
+    dx.device(d) = out.constant(static_cast<T>(0));
   }
 };
 
-- 
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