Hi,
I am starting to use Rcpp and got into some issues with basic examples.
I am trying to run this:
#include <Rcpp.h>
using namespace Rcpp;
// [[Rcpp::export]]NumericVector timesTwo(NumericVector x) { return x * 2;}
It works fine when I use it like:> evalCpp(timesTwo(2))[1] 4
But as soon as I use a vector, I get some weird error message:
> v=as.vector(c(2,2))> evalCpp(timesTwo(v))g++ -m64
> -I"C:/PROGRA~1/R/R-32~1.3/include" -DNDEBUG
> -I"C:/Users/Hubert/Documents/R/win-library/3.2/Rcpp/include"
> -I"C:/Users/Hubert/AppData/Local/Temp/RtmpaujML3"
> -I"d:/RCompile/r-compiling/local/local323/include" -O2 -Wall
> -mtune=core2 -c file33c329d4fd2.cpp -o file33c329d4fd2.ofile33c329d4fd2.cpp:
> In function 'SEXPREC* get_value()':file33c329d4fd2.cpp:7:6: error:
> redefinition of 'SEXPREC* get_value()'file33c329d4fd2.cpp:6:6: error:
> 'SEXPREC* get_value()' previously defined heremake: *** [file33c329d4fd2.o]
> Error 1Warning message:l'exécution de la commande 'make -f
> "C:/PROGRA~1/R/R-32~1.3/etc/x64/Makeconf" -f
> "C:/PROGRA~1/R/R-32~1.3/share/make/winshlib.mk"
> SHLIB_LDFLAGS='$(SHLIB_CXXLDFLAGS)' SHLIB_LD='$(SHLIB_CXXLD)'
> SHLIB="sourceCpp_10.dll" WIN=64 TCLBIN=64 OBJECTS="file33c329d4fd2.o"'
> renvoie un statut 2 Error in sourceCpp(code = code, env = env, rebuild =
> rebuild, showOutput = showOutput, : Error 1 occurred building shared
> library.
I tried to find a solution but got nothing.
Can someone please help me?
Thanks
Philippe
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