[Rd] R and C++ code
Sandrine Coelho
scoelho at univ-tlse1.fr
Tue May 18 16:37:56 CEST 2004
I work under windows XP, so i haven't file "X_main.so".
Torsten Hothorn wrote:
>> Hello,
>> I want to use a C++ library under R, but I have problems.
>> I have readen the manual: "Writing R Extensions" and the setion "
>> Interfacing C++ code". I have created :
>> //X.cpp
>> #include "X.h"
>> #include <iostream>
>>
>> X::X()
>> {
>> std::cout << "constructor X" << std::endl;
>> }
>>
>> X::~X()
>> {
>> }
>>
>>
>> //X.h
>> #ifndef X_H
>> #define X_H
>>
>> class X
>> {
>> public:
>> X();
>>
>> ~X();
>> };
>> #endif
>>
>> //X_main.cpp
>> #include "X.h"
>>
>> extern "C" {
>>
>> void X_main(){
>> X x;
>> }
>> }
>>
>>
>> //essai.R
>
> did you load the shared library via
>
> dyn.load("X_main.so")
>
> ?
>
> Torsten
>
>> foo<-function()
>> {.C("X_main");}
>>
>> When I execute the file essai.R, the R console returns:
>>
>> Error in .C("X_main") : C function name not in load table.
>>
>> If you can help me.
>> Thank you.
>>
>> Sandrine
>>
>> ______________________________________________
>> R-devel at stat.math.ethz.ch mailing list
>> https://www.stat.math.ethz.ch/mailman/listinfo/r-devel
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