 $fortin
  difmag = 0.1
  iorder = 2
  xcloud  = 0.00
  ycloud  = 0.00
  radius = 1.25
  denfact = .1
  shockpos  = -3
  rmach     = 1.25
  gamamb     = 1.4
  gamcld     = 1.666667
  smallp = 1.d-06
  smallr = 1.d-06
  smallr = 1.d-06

  dengrad = .1
  tol_int = -.05
  pertmag = 0.01
  pertmag = 0.0

 $end

