From bdcbc66a5cca656e1cbdfa97668f3e400a7cb08d Mon Sep 17 00:00:00 2001
From: Benoit Steiner <benoit.steiner.goog@gmail.com>
Date: Tue, 22 Dec 2015 17:51:55 -0800
Subject: [PATCH] Don't attempt to vectorize mean reductions of integers since
 we can't use SSE or AVX instructions to divide 2 integers.

---
 unsupported/Eigen/CXX11/src/Tensor/TensorFunctors.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/unsupported/Eigen/CXX11/src/Tensor/TensorFunctors.h b/unsupported/Eigen/CXX11/src/Tensor/TensorFunctors.h
index 34ba4e392..f94ffa020 100644
--- a/unsupported/Eigen/CXX11/src/Tensor/TensorFunctors.h
+++ b/unsupported/Eigen/CXX11/src/Tensor/TensorFunctors.h
@@ -93,7 +93,7 @@ template <typename T> struct SumReducer
 
 template <typename T> struct MeanReducer
 {
-  static const bool PacketAccess = true;
+  static const bool PacketAccess = !NumTraits<T>::IsInteger;
   static const bool IsStateful = true;
 
   EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE