As the author of 3 of the 5 methods in optim, I think you may be wasting your time if this is for performance. My reasons are given in
http://www.jstatsoft.org/v60/i02 Note that most of the speed benefits of compilation are found in the objective and gradient function, with generally more minor improvements in the method. JN On 14-10-22 06:00 AM, r-devel-requ...@r-project.org wrote: > Date: Tue, 21 Oct 2014 20:14:03 +0800 (CST) > From: ?? <2012111...@njau.edu.cn> > To: R-devel@r-project.org > Subject: [Rd] How can I use R-function in My C++ project ? > Message-ID: <1f74c14.d1e7.14932a0ddbf.coremail.2012111...@njau.edu.cn> > Content-Type: text/plain; charset="UTF-8" > > Dear seniors: > I am a student in Nanjing Agricultural University of China. > > > I want to use the function "optim" of package stats in my C++ project. I > have got the R.dll , R.def and R.lib, > > > but I can't find the function prototypes of "optim" in R.def. > > How can I do ? Is the Method I call R function in C++ with R.dll > feasible ? I hope to get your help ! Thanks > > > for reading my question. > > > Yours sincerely, > > > Bo Huang > [[alternative HTML version deleted]] ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel