Revert "refine ZeroGradFunctor in activation_op.h"

This reverts commit 1eeb11ef61.
7 years ago · 748e204eff
parent 64292f07d2
commit 748e204eff
1 changed files with 1 additions and 1 deletions
--- 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) = out.constant(static_cast<T>(0));
+    dx.device(d) = static_cast<T>(0) / out;
  }
 };