From 8bd759007a29aaece5e85b90362d8c886a8a7e5b Mon Sep 17 00:00:00 2001
From: chengduoZH <zhaochengduo@163.com>
Date: Thu, 28 Dec 2017 12:53:00 +0800
Subject: [PATCH] refine CosSimDyFunctor

---
 paddle/operators/cos_sim_op.cu | 2 --
 paddle/operators/cos_sim_op.h  | 2 +-
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/paddle/operators/cos_sim_op.cu b/paddle/operators/cos_sim_op.cu
index 42194d7a05..86dc04995a 100644
--- a/paddle/operators/cos_sim_op.cu
+++ b/paddle/operators/cos_sim_op.cu
@@ -57,8 +57,6 @@ struct CosSimDyFunctor<platform::CUDADeviceContext, T> {
   }
 };
 
-template struct CosSimDyFunctor<platform::CUDADeviceContext, float>;
-
 }  // namespace operators
 }  // namespace paddle
 
diff --git a/paddle/operators/cos_sim_op.h b/paddle/operators/cos_sim_op.h
index a913e576f9..7641ca15f1 100644
--- a/paddle/operators/cos_sim_op.h
+++ b/paddle/operators/cos_sim_op.h
@@ -56,7 +56,7 @@ struct CosSimFunctor {
         tep_x = x[i];
         tep_y = y_[i];
         xx += tep_x * tep_x;
-        yy += tep_y * tep_y;  // only need
+        yy += tep_y * tep_y;
         xy += tep_x * tep_y;
       }
       xx = sqrt(xx);
-- 
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