Re: [Rd] function not in load table

[Toralf Kirsten]

Hi Martin, Vadim,
<snip>
really C, not C++ ?
[or did you compile by a C++ compiler instead of C ?]
I ask because for C++ that's really a FAQ
It's really a C function.
    Toralf> wy.result <- wy.grps(data1=X1, grpdata=groups, nres=10000, 
    Toralf> alpha1=0.05, alpha2=0.05)
    Toralf> Error in .C("wy_grps_R", as.double(X), as.integer(n1), as.integer(n2),  :
    Toralf> C function name not in load table
    Toralf> Execution halted

this really means that there's no exported C function named 'wy_grps_R'
from the dyn.loaded C code.
Do
        nm -g  izbi.so
inside izbi/src/ in the shell to check.

I checked the exported function as you mentioned above and I can see the 
function named 'wy_grps_R' in the list (as you can see below)
...
00004d80 T uvarWYdist
00004790 T wy_clust_R
000045a0 T wy_grps_R   <---
00004450 T wy_uvar_R
...
The T in the second column means it is available in the code segment, right.

    Toralf> My .First.lib.R is as follows:
    Toralf> .First.lib <- function(libname, pkgname) {
    Toralf> library.dynam("izbi", package = pkgname, lib.loc = libname)
    Toralf> data(COLS, package=pkgname)
    Toralf> data(ROWS, package=pkgname)
    Toralf> if (exists(".Dyn.libs")) remove(".Dyn.libs")
not sure if the above is a good idea.
What do you want it for?
What do you think what is not a good practice?
The COLS and ROWS are R objects which we use in R programs to replace 
the 1 and 0 used as col and row parameter.
Do you think we should use the command
dyn.load("<compiled_code.so>")
for each C file instead of
library.dynam(...)?

I also tried to specify the package name in this manner
result <- .C("wy_grps_R",
             as.double(X),
             as.integer(n1),
             as.integer(n2),
             as.integer(p),
             as.integer(unlist(grpidx)),
             as.integer(grplen),
             as.integer(grpnum),
             as.character(WYFUN),
             as.double(alpha2),
             as.character(MINMAXFUN),
             WYdist=double(nres),
             as.integer(nres),
             test.value=double(grpnum),
             p.value=double(grpnum),
             PACKAGE="izbi")
Unfortunately it didn't solve the problem.
Many Thanks for your help,
Toralf
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