ations.  If maxiter == MP_NO_ITER,
                 ##                     then basic error checking is done, and parameter
                 ##                     errors/covariances are estimated based on input
                 ##                     parameter values, but no fitting iterations are done.
                 ## 		     Default: 200
                 ## 
  maxfev*: cint ## Maximum number of function evaluations, or 0 for no limit
                ## 		     Default: 0 (no limit)
  nprint*: cint     