Backed out changeset 2f3d685e0c

This was implementing deep changes that after discussion on the mailing list seem to need further discussion/thinking.

Eigen/src/Core/Matrix.h

@@ -318,6 +318,9 @@ class Matrix
     void swap(MatrixBase<OtherDerived> EIGEN_REF_TO_TEMPORARY other)
     { this->_swap(other.derived()); }
 
+    inline int innerStride() const { return 1; }
+    inline int outerStride() const { return this->innerSize(); }
+
     /////////// Geometry module ///////////
 
     template<typename OtherDerived>