[Rd] Problem with dyn.load...or else...
Thu Jul 7 16:16:15 CEST 2005
At 19:46 2005-07-06, you wrote:
>Marie-Hélène Ouellette wrote:
>>I'm working on Mac OS X and R-2.1.0 (by the way, sorry for the multiple
>>emails last time, had a technical problem, and thanks for the
>>I have a .R function which calls a .C function. The R function's name is
>>K_MEANSR.R and the other is K_MEANSC.C.
>>I compile it with 'R CMD SHLIB K_MEANSC.C' in the terminal. I get both
>>.so and .o files.
>>I use the function
>> > dyn.load ('K_MEANSC.so')
>>with no error. We can, I believe, see here that it is loaded:
>> > getLoadedDLLs()
>>I then source the R code:
>> > source(file.choose())
>>Construct a matrix that I will use for the analysis:
>> > tab<-c(1,1,3,4,6,6,3,5,7,67,5,6,65,3,5,1,5,42,3,567,6,4,7,7)
>> > tab<-matrix(tab,6,4)
>>And try to use the function:
>> > K_MEANSR(tab,centers=c(2,4))
>>Error in .C("K_MEANSC", xrows = as.integer(xrows), xcols =
>> "C" function name not in load table
>>Everything that is printed on the screen is correct, but why does it says
>>that 'K_MEANSC' function is not in load table??? It then just stops at
>>that stage of the .R function.
>What does your declaration of the function look like in the K_MEANSC.C
>file? R needs to know the name of the exported function, not the name of
>the .so file.
It's in the form:
So the name of my .C function is also K_MEANSC...
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