From f807807ed11c662db3af853ec9b7209a601157a9 Mon Sep 17 00:00:00 2001
From: hedaoyuan <hedaoyuan@github.com>
Date: Mon, 4 Sep 2017 10:26:03 +0800
Subject: [PATCH] Fix the namespace of the im2col functor.

---
 paddle/operators/math/im2col.cc | 2 ++
 paddle/operators/math/im2col.cu | 2 ++
 paddle/operators/math/im2col.h  | 2 ++
 3 files changed, 6 insertions(+)

diff --git a/paddle/operators/math/im2col.cc b/paddle/operators/math/im2col.cc
index bcc18af0364..a5fcf6da8cc 100644
--- a/paddle/operators/math/im2col.cc
+++ b/paddle/operators/math/im2col.cc
@@ -15,6 +15,7 @@ limitations under the License. */
 #include "paddle/operators/math/im2col.h"
 
 namespace paddle {
+namespace operators {
 namespace math {
 
 /*
@@ -243,4 +244,5 @@ template class Col2ImFunctor<kOCF, platform::CPUPlace, float>;
 template class Col2ImFunctor<kOCF, platform::CPUPlace, double>;
 
 }  // namespace math
+}  // namespace operators
 }  // namespace paddle
diff --git a/paddle/operators/math/im2col.cu b/paddle/operators/math/im2col.cu
index 2caa7c5ec26..23d38546105 100644
--- a/paddle/operators/math/im2col.cu
+++ b/paddle/operators/math/im2col.cu
@@ -16,6 +16,7 @@ limitations under the License. */
 #include "paddle/platform/cuda_helper.h"
 
 namespace paddle {
+namespace operators {
 namespace math {
 
 template <class T>
@@ -353,4 +354,5 @@ template class Col2ImFunctor<kOCF, platform::GPUPlace, float>;
 template class Col2ImFunctor<kOCF, platform::GPUPlace, double>;
 
 }  // namespace math
+}  // namespace operators
 }  // namespace paddle
diff --git a/paddle/operators/math/im2col.h b/paddle/operators/math/im2col.h
index f6b428e2894..1065cd3d85e 100644
--- a/paddle/operators/math/im2col.h
+++ b/paddle/operators/math/im2col.h
@@ -18,6 +18,7 @@ limitations under the License. */
 #include "paddle/platform/device_context.h"
 
 namespace paddle {
+namespace operators {
 namespace math {
 
 /* The storage format of the coldata in the Im2ColFunctor and Col2ImFunctor. */
@@ -85,4 +86,5 @@ class Col2ImFunctor {
 };
 
 }  // namespace math
+}  // namespace operators
 }  // namespace paddle
-- 
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