mean for integer and complex vector

[romainfrancois]

#include <Rcpp.h>
using namespace Rcpp ;

Rcomplex mean_cplx( ComplexVector v ){
  return mean(v);
}

double mean_int( IntegerVector v ){
  return mean(v);
}

/*** R
  v <- 1:10 + 1i
  mean_cplx(v)

  v <- 1:10
  mean_int(v)
*/

fails to compile:

$ RcppScript /tmp/cx.cpp
cx.cpp:5:10: error: no matching function for call to 'mean'
  return mean(v);
         ^~~~
/Library/Frameworks/R.framework/Versions/3.1/Resources/library/Rcpp/include/Rcpp/sugar/functions/mean.h:59:34: note: candidate template ignored: could not match 'VectorBase' against 'Vector'
inline sugar::Mean<REALSXP,NA,T> mean( const VectorBase<REALSXP,NA,T>& t){
                                 ^
cx.cpp:9:10: error: no matching function for call to 'mean'
  return mean(v);
         ^~~~
/Library/Frameworks/R.framework/Versions/3.1/Resources/library/Rcpp/include/Rcpp/sugar/functions/mean.h:59:34: note: candidate template ignored: could not match 'VectorBase' against 'Vector'
inline sugar::Mean<REALSXP,NA,T> mean( const VectorBase<REALSXP,NA,T>& t){
                                 ^
2 errors generated.
make: *** [cx.o] Error 1
clang++ -I/Library/Frameworks/R.framework/Resources/include -DNDEBUG  -I/usr/local/include -I/usr/local/include/freetype2 -I/opt/X11/include  -I"/Library/Frameworks/R.framework/Versions/3.1/Resources/library/Rcpp/include"    -fPIC  -O3 -c cx.cpp -o cx.o
Erreur dans sourceCpp(tail(args, 1), verbose = "-v" %in% args) :
  Error 1 occurred building shared library.
Exécution arrêtée