Elisp function that performs numeric computations

[fatiparty]

Jan 20, 2022, 10:52 by help-gnu-emacs@gnu.org:

> Jan 19, 2022, 23:29 by mbork@mbork.pl:
>
>>
>> (defun test (depth maxdepth rptdepth)
>>
>>> "Compute depth to use."
>>>  (interactive)
>>>  
>>>  (let* ( (j rptdepth)
>>>  (w (- maxdepth j))
>>>  (p (+ w 1))
>>>  (r (mod (- depth maxdepth 1) p) )
>>>  (o (+ j r)) )
>>>  o))
>>>
> I would like to adapt the function a little bit more.   If depth <= maxdepth
> I want to set o=depth instead of performing the computation shown for the
> variable o.
>
> I would like to use an if statement to set o to depth.  The current 
> computation will
> go with the else  statement.  How does one go about using the let* construct 
> in the
> else part of the conditional.  Would I need to use a progn for this?
>