Exactly, that is what i use. I intend to do the operation using an FFI library(i't s just a proof of concept, and there well might be performance hits) If such a function doesn't exist in libR.so, then i can write one.
Regards Saptarshi On Mon, May 20, 2013 at 10:03 AM, Gabriel Becker <gmbec...@ucdavis.edu> wrote: > Saptarshi, > > When I need to repeatedly access data from a an R vector in C I typically > just create a pointer to the data and just use that. > > double *xdat = REAL(x); > xdat[i]; //repeat as necessary > > This is also displayed in 5.9.4 of the R extensions manual. > > Is there a reason this wouldn't work for your usecase? What exactly is it > that you want to do? > > ~G > > > > > On Mon, May 20, 2013 at 9:56 AM, Saptarshi Guha <saptarshi.g...@gmail.com> > wrote: >> >> Hello, >> >> I have a double vector, x. I can access the i'th element as >> >> REAL(x)[i] >> >> Is there a function for this? I know i can write my own, but was >> seeing if one already exists. I did check Rinternals.h but didn't see >> one. >> >> Cheers >> Saptarshi >> >> ______________________________________________ >> R-devel@r-project.org mailing list >> https://stat.ethz.ch/mailman/listinfo/r-devel > > > > > -- > Gabriel Becker > Graduate Student > Statistics Department > University of California, Davis ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
