From 430e0e418bb34d6a14662a29a3e6d5fb906c9610 Mon Sep 17 00:00:00 2001
From: hedaoyuan <hedaoyuan@github.com>
Date: Mon, 21 Aug 2017 10:12:25 +0800
Subject: [PATCH] Follow comments.

---
 paddle/function/CMakeLists.txt | 4 +++-
 paddle/function/EigenGemm.cpp  | 3 +--
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/paddle/function/CMakeLists.txt b/paddle/function/CMakeLists.txt
index 9187294a49..c572a9d433 100644
--- a/paddle/function/CMakeLists.txt
+++ b/paddle/function/CMakeLists.txt
@@ -5,7 +5,9 @@ list(APPEND h_files Function.h)
 list(APPEND cpp_files Function.cpp)
 list(APPEND cpp_files BufferArg.cpp)
 list(APPEND cpp_files GemmFunctor.cpp)
-list(APPEND cpp_files EigenGemm.cpp)
+if(USE_EIGEN_FOR_BLAS)
+  list(APPEND cpp_files EigenGemm.cpp)
+endif(USE_EIGEN_FOR_BLAS)
 
 if(WITH_GPU)
     file(GLOB cu_files . *OpGpu.cu)
diff --git a/paddle/function/EigenGemm.cpp b/paddle/function/EigenGemm.cpp
index 0b4220fcbe..674141ed39 100644
--- a/paddle/function/EigenGemm.cpp
+++ b/paddle/function/EigenGemm.cpp
@@ -77,8 +77,7 @@ struct EigenBlasGemm {
     } else if (alpha == T(1) && beta == T(1)) {
       c.device(device) += a.contract(b, dims);
     } else {
-      c.device(device) =
-          c.constant(alpha) * a.contract(b, dims) + c.constant(beta) * c;
+      c.device(device) = alpha * a.contract(b, dims) + beta * c;
     }
   }
 };
-- 
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