message: Remove DGMult from private methods for device use.
diff: @@ -127,7 +127,6 @@ public:
  void Mult(const Vector &x, Vector &y) const;
  void MultTranspose(const Vector &x, Vector &y) const;
  -private:
  /** DGMult and DGMultTranspose use the extended L-vector to perform the
  computation. */
  void DGMult(const Vector &x, Vector &y) const;
  