[R] How to look within .Internal ?

[David Winsemius]

I think it a problem that is local to you.

In particular the optim.c code appears available.
<https://svn.r-project.org/R/trunk/src/main/optim.c>

Perhaps you should determine how to force your browser to refresh a  
page.

-- 
David Winsemius

On Dec 7, 2008, at 1:13 PM, megh wrote:

>
> https://svn.r-project.org/R/trunk/src/main is not opening for last  
> few days.
> Is there any problem with this or the materials were moved to  
> different
> address?
>
>
> Duncan Murdoch-2 wrote:
>>
>> On 11/19/2008 10:13 AM, megh wrote:
>>> In the optim() function there is a syntax :
>>>
>>> res <- .Internal(optim(par, fn1, gr1, method, con, lower,
>>>
>>> Here how can I see the inside-codes of ".Internal" function ?
>>
>>
>> You need the R source code.  Then find src/main/names.c, and look up
>> "optim".  It will tell you the C name of the function being called.
>>
>> In this case, for the R-devel version, you'll find this on names.c  
>> line
>> 853:
>>
>> {"optim",	do_optim,	0,	11,	7,	{PP_FUNCALL, PREC_FN,	0}},
>>
>> So you need to find the do_optim function.  It's in src/main/optim.c.
>>
>> You can browse these source files on
>>
>> https://svn.r-project.org/R/trunk/src/main
>>
>> Duncan Murdoch
>>
>> ______________________________________________
>> R-help at r-project.org mailing list
>> https://stat.ethz.ch/mailman/listinfo/r-help
>> PLEASE do read the posting guide
>> http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>>
>>
>
> -- 
> View this message in context: http://www.nabble.com/How-to-look-within-.Internal---tp20581897p20883880.html
> Sent from the R help mailing list archive at Nabble.com.
>
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.