anchor.diff:    use bl_IO_module
     use probdata_module, only: com_P, com_S, vel_P, vel_S, mass_P, mass_S
     use prob_params_module, only: center
  +  use meth_params_module, only: rot_period
   
     implicit none
   
  
positive.code: 
    close (un)
  
  end subroutine problem_checkpoint
  
  
  
negative.code:   ! called by ALL processors during restart 
  
    use bl_IO_module
    use probdata_module, only: com_P, com_S, vel_P, vel_S, mass_P, mass_S, problem
    use prob_params_module, only: center
    use meth_params_module, only: rot_period
  
    implicit none
  
  