rchkusr is documented in 'Writing R Extensions', as an entry point in R. Please read there exactly what it does.
On Fri, 22 Feb 2008, Guilherme Veiga da Rocha wrote: > Hi all, > > I am trying to compile a fortran routine originally written for R > from within matlab. > > It all worked fine, but the newest version of the Fortran code has a > call to rchkusr() and I now get a message that this is an undefined > symbol. > > I am under the impression that rchkusr() just serves to let the > processor take care of interruption messages (typically, the user > frantically pressing Ctrl-C to stop running). > a) Is that right? > > Another two questions are: > 1 - If I choose to keep this "interruption checkpoint" in the > routine, what library is rchkusr() in and how do I link it when > compiling the Fortran object? > 2 - True of False: If I choose to comment that line, that just means > that the user will not be able to stop running the calculations while > the processor executes the Fortran bit of the code. > > Answers to any of the a, 1, 2 questions above is welcome. > > And in case you are wondering: > - I am trying to link the Fortran to matlab so I can compare results > to other similar routines coded in matlab; > - This is in the glasso package by Friedman, Hastie, Tibshirani. > > Thanks for any help. > > Cheers, > > Guilherme Rocha > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > -- Brian D. Ripley, [EMAIL PROTECTED] Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ University of Oxford, Tel: +44 1865 272861 (self) 1 South Parks Road, +44 1865 272866 (PA) Oxford OX1 3TG, UK Fax: +44 1865 272595 ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
