&init_pars
  cvsid='$Id: start.in,v 1.1 2004/03/26 14:23:44 brandenb Exp $'
  ip=4
/
 &hydro_init_pars          /
 &density_init_pars        /
&grav_init_pars
  grav_const=1.
/
 &entropy_init_pars        /
