eference" href="#mp_par_struct"
    title="mp_par_struct {.bycopy.} = object
  fixed*: cint               ## 1 = fixed; 0 = free
  limited*: array[2, cint]   ## 1 = low/upper limit; 0 = no limit
  limits*: array[2, cdouble] ## lower/upper limit boundary value
  parname*: cstring          ## Name of parameter, or 0 for none
  step*: cdouble             ## Step size for finite difference
  relstep*: cdouble          ## Relative step size for finite difference
  side*: cint ## Sidedness of finite difference de