[Rcpp-devel] Avoiding having to write .h files

Romain François romain at r-enthusiasts.com
Tue Feb 25 12:39:05 CET 2014


Why do you want to avoid writing headers. I guess you could use extern 

For example, in foo1.cpp : 

double fun1(){
  return 2.0 ;

In foo2.cpp ;

extern double fun1() ;

double fun2(){
  return fun1() + 2; 


Le 25 févr. 2014 à 12:28, Søren Højsgaard <sorenh at math.aau.dk> a écrit :

> Dear all,
> If in a package I have foo1.cpp with function fun1 and foo2.cpp with fun2 (which uses fun1 from foo1.cpp) then I must write foo1.h and include in foo2.cpp. Right? Is there another approach so that I do not have to write these header files?
> Using Rcpp::interfaces(r,cpp) should take care of that (according to the Rcpp-attributes vignette, at least that is my understanding) but I have seen on the list that there is a bug in this feature with the current Rcpp version (and also with the devel version on github).
> Cheers 
> Søren

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