# Interface definition for thorn ReductionTest
# $Header:$

implements: ReductionTest
inherits: GRHydro grid

CCTK_REAL center_of_mass_helpers TYPE=GF TIMELEVELS=3 tags='prolongation="none"'
{
  
 dMx,dMy,dMz
}

CCTK_REAL center_of_mass TYPE=SCALAR
{
  
        Mx,My,Mz,Mr
}