&extern 

  run_prefix = "react_ignition_"

  small_temp = 1d5
  small_dens = 1d5

  burner_verbose = .false.

  ! Set which jacobian to use
  ! 1 = analytic jacobian 
  ! 2 = numerical jacobian 
  jacobian   = 2
 
  renormalize_abundances = F

  rtol_spec = 1.0d-6
  rtol_enuc = 1.0d-6
  rtol_temp = 1.0d-6
  atol_spec = 1.0d-6
  atol_enuc = 1.0d-6
  atol_temp = 1.0d-6

  tmax    = 1.0d0 

  density      = 1.d9
  temperature  = 1.d9

  X1  = 1.0d0
  X2  = 0.0d0
  X3  = 0.0d0

/
