[Rd] R and C++ code

[Sandrine Coelho]

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
>> 
>> ______________________________________________
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