diff --git a/Eigen/src/LU/FullPivLU.h b/Eigen/src/LU/FullPivLU.h
index 50d1bb41b..344ec8926 100644
--- a/Eigen/src/LU/FullPivLU.h
+++ b/Eigen/src/LU/FullPivLU.h
@@ -53,7 +53,7 @@ template<typename _MatrixType> struct traits<FullPivLU<_MatrixType> >
   * Output: \verbinclude class_FullPivLU.out
   *
   * This class supports the \link InplaceDecomposition inplace decomposition \endlink mechanism.
-  * 
+  *
   * \sa MatrixBase::fullPivLu(), MatrixBase::determinant(), MatrixBase::inverse()
   */
 template<typename _MatrixType> class FullPivLU
@@ -320,7 +320,7 @@ template<typename _MatrixType> class FullPivLU
       return m_usePrescribedThreshold ? m_prescribedThreshold
       // this formula comes from experimenting (see "LU precision tuning" thread on the list)
       // and turns out to be identical to Higham's formula used already in LDLt.
-                                      : NumTraits<Scalar>::epsilon() * m_lu.diagonalSize();
+          : NumTraits<Scalar>::epsilon() * RealScalar(m_lu.diagonalSize());
     }
 
     /** \returns the rank of the matrix of which *this is the LU decomposition.
diff --git a/unsupported/Eigen/CXX11/src/Tensor/TensorBlock.h b/unsupported/Eigen/CXX11/src/Tensor/TensorBlock.h
index 4a3e1ac17..f111964dd 100644
--- a/unsupported/Eigen/CXX11/src/Tensor/TensorBlock.h
+++ b/unsupported/Eigen/CXX11/src/Tensor/TensorBlock.h
@@ -60,7 +60,7 @@ struct cond<RowMajor> {
  *  - kSkewedInnerDims: 100 blocks of size 100x1 (or 1x100 depending on a column
  *                      or row major layout)
  */
-enum class TensorBlockShapeType {
+enum TensorBlockShapeType {
   kUniformAllDims,
   kSkewedInnerDims,
 };
diff --git a/unsupported/Eigen/CXX11/src/Tensor/TensorExecutor.h b/unsupported/Eigen/CXX11/src/Tensor/TensorExecutor.h
index 4bc18bd97..d9b61dc70 100644
--- a/unsupported/Eigen/CXX11/src/Tensor/TensorExecutor.h
+++ b/unsupported/Eigen/CXX11/src/Tensor/TensorExecutor.h
@@ -113,12 +113,9 @@ class TensorExecutor<Expression, DefaultDevice, Vectorizable,
   EIGEN_DEVICE_FUNC
   static EIGEN_STRONG_INLINE void run(const Expression& expr,
                          const DefaultDevice& device = DefaultDevice()) {
-    typedef TensorBlock<ScalarNoConst, StorageIndex, NumDims, Evaluator::Layout>
-        TensorBlock;
+    typedef TensorBlock<ScalarNoConst, StorageIndex, NumDims, Evaluator::Layout> TensorBlock;
+    typedef TensorBlockMapper<ScalarNoConst, StorageIndex, NumDims, Evaluator::Layout> TensorBlockMapper;
     typedef typename TensorBlock::Dimensions TensorBlockDimensions;
-    typedef TensorBlockMapper<ScalarNoConst, StorageIndex, NumDims,
-                              Evaluator::Layout>
-        TensorBlockMapper;
 
     Evaluator evaluator(expr, device);
     Index total_size = array_prod(evaluator.dimensions());
@@ -262,11 +259,8 @@ class TensorExecutor<Expression, ThreadPoolDevice, Vectorizable, /*Tileable*/ tr
 
   static EIGEN_STRONG_INLINE void run(const Expression& expr,
                          const ThreadPoolDevice& device) {
-    typedef TensorBlock<ScalarNoConst, StorageIndex, NumDims, Evaluator::Layout>
-        TensorBlock;
-    typedef TensorBlockMapper<ScalarNoConst, StorageIndex, NumDims,
-                              Evaluator::Layout>
-        TensorBlockMapper;
+    typedef TensorBlock<ScalarNoConst, StorageIndex, NumDims, Evaluator::Layout> TensorBlock;
+    typedef TensorBlockMapper<ScalarNoConst, StorageIndex, NumDims, Evaluator::Layout> TensorBlockMapper;
 
     Evaluator evaluator(expr, device);
     StorageIndex total_size = array_prod(evaluator.dimensions());
diff --git a/unsupported/Eigen/CXX11/src/Tensor/TensorMorphing.h b/unsupported/Eigen/CXX11/src/Tensor/TensorMorphing.h
index 6f9294ccf..a32743677 100644
--- a/unsupported/Eigen/CXX11/src/Tensor/TensorMorphing.h
+++ b/unsupported/Eigen/CXX11/src/Tensor/TensorMorphing.h
@@ -521,8 +521,7 @@ struct TensorEvaluator<const TensorSlicingOp<StartIndices, Sizes, ArgType>, Devi
 
   typedef typename internal::remove_const<Scalar>::type ScalarNoConst;
 
-  typedef internal::TensorBlock<ScalarNoConst, Index, NumDims, Layout>
-      TensorBlock;
+  typedef internal::TensorBlock<ScalarNoConst, Index, NumDims, Layout> TensorBlock;
   typedef typename TensorBlock::Dimensions TensorBlockDimensions;
 
   EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE TensorEvaluator(const XprType& op, const Device& device)
@@ -799,8 +798,7 @@ struct TensorEvaluator<TensorSlicingOp<StartIndices, Sizes, ArgType>, Device>
 
   typedef typename internal::remove_const<Scalar>::type ScalarNoConst;
 
-  typedef internal::TensorBlock<ScalarNoConst, Index, NumDims, Layout>
-      TensorBlock;
+  typedef internal::TensorBlock<ScalarNoConst, Index, NumDims, Layout> TensorBlock;
   typedef typename TensorBlock::Dimensions TensorBlockDimensions;
 
   EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE TensorEvaluator(const XprType& op, const Device& device)