extend the DenseStorageMatrix mechanism to all expressions

Eigen/src/Array/Array.h

@@ -189,11 +189,6 @@ class Array
       other.evalTo(*this);
     }
 
-//     template<typename OtherDerived>
-//     Array& lazyAssign(const ArrayBase<OtherDerived>& other);
-//     template<typename OtherDerived>
-//     Array& lazyAssign(const MatrixBase<OtherDerived>& other);
-
     /** \sa MatrixBase::operator=(const AnyMatrixBase<OtherDerived>&) */
     template<typename OtherDerived>
     EIGEN_STRONG_INLINE Array(const AnyMatrixBase<OtherDerived> &other)

Eigen/src/Array/Replicate.h

@@ -40,6 +40,7 @@
   */
 template<typename MatrixType,int RowFactor,int ColFactor>
 struct ei_traits<Replicate<MatrixType,RowFactor,ColFactor> >
+ : ei_traits<MatrixType>
 {
   typedef typename MatrixType::Scalar Scalar;
   typedef typename ei_traits<MatrixType>::StorageType StorageType;

Eigen/src/Array/Reverse.h

@@ -43,6 +43,7 @@
   */
 template<typename MatrixType, int Direction>
 struct ei_traits<Reverse<MatrixType, Direction> >
+ : ei_traits<MatrixType>
 {
   typedef typename MatrixType::Scalar Scalar;
   typedef typename ei_traits<MatrixType>::StorageType StorageType;

Eigen/src/Array/Select.h

@@ -43,6 +43,7 @@
 
 template<typename ConditionMatrixType, typename ThenMatrixType, typename ElseMatrixType>
 struct ei_traits<Select<ConditionMatrixType, ThenMatrixType, ElseMatrixType> >
+ : ei_traits<ThenMatrixType>
 {
   typedef typename ei_traits<ThenMatrixType>::Scalar Scalar;
   typedef Dense StorageType;

Eigen/src/Array/VectorwiseOp.h

@@ -48,6 +48,7 @@ class PartialReduxExpr;
 
 template<typename MatrixType, typename MemberOp, int Direction>
 struct ei_traits<PartialReduxExpr<MatrixType, MemberOp, Direction> >
+ : ei_traits<MatrixType>
 {
   typedef typename MemberOp::result_type Scalar;
   typedef typename ei_traits<MatrixType>::StorageType StorageType;