[Rcpp-devel] How to call a function from an R package in cpp code

Amina Shahzadi aminashahzadi at gmail.com
Tue Oct 11 04:54:00 CEST 2016

Hi Rcpp Friends

I want to use dgev(x,shape=1,scale=1,location=0,log=FALSE) function of an R
package "FAdist" in the framework of Rcpp. How can I call that?

For example for the Poisson distribution which is basic function of R I
have written the following code.

#include <Rcpp.h>
using namespace Rcpp;


NumericVector poiss(NumerixVector x, double lam, int give_log)
        return R::dpois(x, lam, give_log);

Thank you
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