The template expression code is very interesting, but it
does not work as expected under
Windows/g++/MinGW/32bit/Rterm.exe. The problem
does not appear when I use Rgui.exe, or if I use
64bit Windows!
Consider the following C++ code called using
.Call('testsugar',1:5,1:5):
RcppExport SEXP testsugar(SEXP x_, SEXP y_) {
Rcpp::NumericVector x(x_), y(y_);
Rprintf("%d, %lf, %lf\n", (x+y).size(), (x+y)[0], (x+y)[1]);
return R_NilValue;
}
Under Linux/GCC, or 64bit Windows/g++, or
32bit Windows/g++ I get the expected result:
5, 2.0, 4.0
Under Windows/32bit/Rterm.exe I get:
5, 0.0, 0.0
(Under VC++ there are more serious problems including
corruption of other in the wrap-up function
Vector(VectorBase& other), but since VC++ is not
supported I will not elaborate here.)
Thanks,
Dominick
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