!  -*-f90-*-  (for emacs)    vim:set filetype=fortran:  (for vim)
  private
 
  public :: register_particles_spin, initialize_particles_spin
  public :: init_particles_spin
  public :: pencil_criteria_par_spin
  public :: dps_dt, dps_dt_pencil
  public :: read_particles_spin_init_pars, write_particles_spin_init_pars
  public :: read_particles_spin_run_pars, write_particles_spin_run_pars
  public :: rprint_particles_spin
  public :: calc_liftforce