Hi Duncan, Thanks for your reply. Would you know of a code + compiler combination that works in R, so I can get a feel for the process?
Thanks, rcoder Duncan Murdoch-2 wrote: > > On 23/08/2008 8:44 PM, rcoder wrote: >> Hi everyone, >> >> I've created a dll for a fortran subroutine, and when I call the >> subroutine >> in R (via a wrapped function) a standard program shutdown windows error >> prompt immediately pops up: the program has encountered a problem and >> needs >> to be shut down... send message / don't send message to MS... etc. >> >> When I click "Don't send", the R consol does not then shut down, and >> appears >> to continue to execute, and task manager does not indicate "not >> responding". >> The problem is the execution takes too long, and I think the program is >> just >> hanging rather than executing. I have tested with different fortran code, >> and the same thing happens, so I don't think it is anything to do with >> that >> side of things. >> >> I created fortran code in a text editor, compiled using Plato3 IDE, then >> converted the file into a dll using gFortran. I place the dll in the R >> directory and it load in the console. The problem seems to occur when >> defining the data types in R, for the variables in the fortran routine. >> >> I was just wondering if anyone has experienced anything similar when >> trying >> to call fortran subroutines in R? > > I haven't seen that, and haven't used that particular compiler, but it > has the symptoms of a mismatch in calling conventions. Does your > compiler pass arguments in registers? R uses what Windows calls the > cdecl calling convention in external calls. > > Some old advice on using non-standard compilers is available here: > > http://www.stats.uwo.ca/faculty/murdoch/software/compilingDLLs > > I haven't updated it in a few years, but I think it is still current. > > Duncan Murdoch > > ______________________________________________ > R-devel@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel > > -- View this message in context: http://www.nabble.com/problem-running-dll-in-R-tp19126733p19146333.html Sent from the R devel mailing list archive at Nabble.com. ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
