Hi !
I apologie in advance if this question has already been answered but I have yet
to find a solution to my problem.
I recently started to learn Rcpp using the book « Seamless R and C++
Integration with Rcpp » by Dirk Eddelbuettel.
Using the Fibonacci C code from the book, I tried to reproduce the example to
get a feeling of how to work with Rcpp. More precisely, I wrote the following C
code in a file that I called « fibonacci.cpp ».
#include <Rcpp.h>
using namespace Rcpp;
//[[Rcpp::export]]
int fibonacci(const int x) {
if(x < 2){
return(x);
}else{
return fibonacci(x-1)+fibonacci(x-2);
}
}
Following, I called this file using the following command line:
sourceCpp("fibonacci.cpp")
What I get in return is a series of 80 warnings. Although, these warning may be
helpful to answer this question, to keep this message concise I will not
attached them here. However, if you feel they maybe helpful, let me know and I
will send them along.
Note that I am currently working on a Macbook Pro with the new OS (El Capitan).
Following the advice given on the CRAN, I organized the Makevar file using
clang as follow:
CC=clang
CXX=clang++
CFLAGS=-mtune=native -g -O2 -Wall -pedantic -Wconversion
CXXFLAGS=-mtune=native -g -O2 -Wall -pedantic -Wconversion
FLIBS=-lgfortran
Any reasons, why I get so many warnings ?
Thanks in advance for your answer !
Have a good day !
Guillaume
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