I was trying to use the stress_energy_storage parameter in TmunuBase to determine when to schedule or not a routine calculating the magnetic pressure (and friends). If storage is allocated for Tmunu then the magnetic pressure is calculated in the same routine. Otherwise, a separate routine would calculate the magnetic pressure. Keeping the routines always separate wouldn't be efficient when we do need the calculation and storage of Tmunu. Anyway, in order to do so, I needed to set stress_energy_storage as a restricted parameter (patch attached) in TmunuBase. Is there any reason for keeping this parameter private?