I sent you an overly complicated reply. Take a look at R/include/R_ext/Arith.h where REAL_NA is defined...
On Mon, Feb 7, 2011 at 5:33 PM, Dominick Samperi <djsamp...@gmail.com> wrote: > R has its own way of representing NA's. See, for example, the fts > package at CRAN, > in particular, the file src/tslib/tslib/utils/numeric.traits.hpp. > > Dominick > > On Mon, Feb 7, 2011 at 5:23 PM, WEI ZHANG <aweizh...@gmail.com> wrote: >> I would like to know how can I pass NA from C++ to R. >> >> For example, for any integer in C++ , if == -999, I would like to set to NA >> to pass to R. >> >> >> >> Thanks. >> >> >> >> _______________________________________________ >> Rcpp-devel mailing list >> Rcpp-devel@lists.r-forge.r-project.org >> https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/rcpp-devel >> >> > _______________________________________________ Rcpp-devel mailing list Rcpp-devel@lists.r-forge.r-project.org https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/rcpp-devel