[R] Call C routine problem

[Roger Peng]

Is there a question about R here?

I haven't used S-PLUS in a long long time but it seems like you need to
load your C function *before* you call it in S-PLUS.

-roger
_______________________________
UCLA Department of Statistics
rpeng at stat.ucla.edu
http://www.stat.ucla.edu/~rpeng

On Wed, 5 Feb 2003, pingzhao wrote:

> When I call C function from Splus, I often meet this problem:
> "Problem: Couldn't find a function definition for "Stest" "
> 
> My c function is saved as 'test.c' (the function is also named as 'test'
> My splus function is saved as 'Stest', such as
> 
> Stest <-
> function(d,f)
> {
> .C("test",
> as.integer(d),
> as.single(f))
> }
> 
> 
> Assume my files (test.c and Stest) have been stored in the directory ''work''
> I have done the following steps in this directory:
> (1) Splus CHAPTER test.c
> (2) Splus make
> (3) Splus
> (4) d<-10
> f<-rep(0,d)
> result<-Stest(d,f)
> 
> then the error message is :
> Problem: Couldn't find a function definition for "Stest"
> 
> What am I wrong???
> 
> Thank you for your help in advance!!!
> 
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