Re: DLL package troubles

[Urs Wagner <wagner@itp.phys.ethz.ch>]

Thanks

The problem was the working directory. I used the source command. I 
changed it to an absolute file path.
Another questing for me how can I change the current director in the 
command shell?
Thanks

Urs

Sundar Dorai-Raj wrote:

> Urs Wagner wrote:
>
> > Hello
> >
> > Who can help? I have my troubles with the dll's. The sample library 
> > gausssdl is loaded but the function call
> > to the C function gaussSeidel does not work.
> >
> > Thanks
> >
> > Urs
> >
> >  > sys.time({x1<-gaussSeidel(A,b)})         # timing the S version
> > Timing stopped at: 0.0159999999999982 0.0160000000005311
> > Problem: Couldn't find a function definition for "gaussSeidel"
> > Use traceback() to see the call stack
> >  >  sys.time({x2<-.Call('gaussSeidel',A,b)}) # timing the .Call version
> > [1] 0 0
> >  >  all.equal(x1,x2)                         # Should return T
> > Problem: Object "x1" not found
> > Use traceback() to see the call stack
> >
> >  > search()
> > ...
> > [9] "sgui"                         "maps"                        [11] 
> > "gausssdl"                     "main"                      
>
> It appears you do not have an S-PLUS function called "gaussSeidel". Try
>
> gaussSeidel <- function(A, b) {
>   .Call("gaussSeidel", A, b)
> }
> x1 <- gaussSeidel(A, b)
>
> --sundar
>
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