[R] library

[Nicholas Lee]

On Wed, 7 Apr 1999, Prof Brian D Ripley wrote:

> On Wed, 7 Apr 1999, Guido Masarotto wrote:
> 
> > On Wed, Apr 07, 1999 at 05:16:31PM +0100, Prof Brian D Ripley wrote:
> > > On Wed, 7 Apr 1999, Heberto Ghezzo wrote:
> > > 
> > > Sounds to me as if you need to use call_R and pass the function (not its
> > > name) as an argument to .C("Setup_system", ....
> > > 
> > > Now, there are not many examples of call_R/call_S about.  Read the
> > > appropriate section in the Blue Book rather carefully.
> > 
> > 
> >   Not many, but one small which shows exactly this sort of things
> >   is the R dynload demo. Look to demos/dynload/zero.[cR]
> 
> That _is_ the example from the Blue book: you will need to read the book
> (very, very carefully in my experience) to understand the incantations in
> the C source.

You might want to try:
http://www.mathsoft.co.uk/splus/download/cfortran.pdf

There is an example in there which is reasonibly clear. 


The c/fortran bit of glm code in Splus, uses some special magic stuff with
frames and memcpys.  I've got some example code of that here is that might
be a better type of solution.  Although I have try this stuff in R, and it
might not work.

Nicholas



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