From 00ed56430782f953ab42e549fe94938271f9e194 Mon Sep 17 00:00:00 2001
From: Yi Wang <yiwang01@baidu.com>
Date: Tue, 18 Jul 2017 16:40:22 -0700
Subject: [PATCH] Update

---
 paddle/framework/CMakeLists.txt | 3 +++
 paddle/operators/add_op.h       | 6 ++++--
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/paddle/framework/CMakeLists.txt b/paddle/framework/CMakeLists.txt
index eb34164623..a00b9c8190 100644
--- a/paddle/framework/CMakeLists.txt
+++ b/paddle/framework/CMakeLists.txt
@@ -4,8 +4,11 @@ cc_test(enforce_test SRCS enforce_test.cc DEPS enforce)
 cc_library(ddim SRCS ddim.cc DEPS eigen3)
 cc_test(ddim_test SRCS ddim_test.cc DEPS ddim)
 nv_test(dim_test SRCS dim_test.cu DEPS ddim)
+
 cc_library(tensor SRCS tensor.cc DEPS ddim place enforce paddle_memory)
 cc_test(tensor_test SRCS tensor_test.cc DEPS tensor)
+cc_test(eigen_test SRCS eigen_test.cc DEPS tensor)
+
 cc_test(variable_test SRCS variable_test.cc)
 cc_test(scope_test SRCS scope_test.cc)
 proto_library(attr_type SRCS attr_type.proto)
diff --git a/paddle/operators/add_op.h b/paddle/operators/add_op.h
index e08b3fb187..e7c106a23f 100644
--- a/paddle/operators/add_op.h
+++ b/paddle/operators/add_op.h
@@ -14,6 +14,7 @@ limitations under the License. */
 
 #pragma once
 #include "glog/logging.h"
+#include "paddle/framework/eigen.h"
 #include "paddle/framework/operator.h"
 
 namespace paddle {
@@ -29,8 +30,9 @@ public:
 
     output->mutable_data<T>(context.GetPlace());
 
-    output->flat<T>().device(*(context.GetEigenDevice<Place>())) =
-        input0.flat<T>() + input1.flat<T>();
+    framework::EigenVector<T>::From(*output).device(
+        *(context.GetEigenDevice<Place>())) =
+        framework::EigenVector<T>(*input0) + framework::EigenVector<T>(*input1);
   }
 };
 
-- 
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