Re: DLL package troubles

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

OK the working directory can be changed with the menu command File 
Chaptes New Working Chapter.
The next problem is how can I do this in the Commands shell.

Thanks

Urs

Urs Wagner wrote:

> 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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