[Rd] [Fwd: behavior of L-BFGS-B with trivial function triggers bug in stats4::mle]

[Ben Bolker]

Prof Brian Ripley wrote:
> On Tue, 14 Aug 2007, Peter Dalgaard wrote:
>
>> Ben Bolker wrote:
>>> Petr Savicky <savicky <at> cs.cas.cz> writes:
>>>
>>>
>>>
>>>> Could you also include a script, which reproduces the problem? Just
>>>> to see under which conditions the problem occurs and how it
>>>> looks like exactly.
>>>>
>>>> Petr Savicky.
>>>>
>>>>
>>>
>>>   The original post has such a script, just under the dashed line
>>> and above the diff/patch.  Sorry if I wasn't clear about that.
>>>
>>>
>> Patch inserted in r-devel now.
>
> And all optim() methods now work on zero-length 'par'.
>
  So my patch would now seem to be unnecessary -- keep it for 
belt-and-suspenders purposes,
or remove it to minimize code complexity?

  thanks very much!

   Ben Bolker