#define STENCIL_ORDER (6)
#define NGHOST (STENCIL_ORDER / 2)
#define LDENSITY (1)
#define LHYDRO (1)
#define LMAGNETIC (0)
#define LENTROPY (0)
#define LTEMPERATURE (0)
#define LFORCING (0)
#define LUPWD (0)