In a package, i type a function name and got the following message:
...
 tmp <- .Fortran("master", x = as.double(x), y = as.double(y), 
            sort = as.logical(sort), rw = as.double(rw), npd = as.integer(npd), 
            ntot = as.integer(ntot), nadj = integer(tadj), madj = as.integer(madj), 
            ind = integer(npd), tx = double(npd), ty = double(npd), 
            ilist = integer(npd), eps = as.double(eps), delsgs = double(tdel), 
            ndel = as.integer(ndel), delsum = double(ntdel), 
            dirsgs = double(tdir), ndir = as.integer(ndir), dirsum = double(ntdir), 
            nerror = integer(1))
...
does it mean this function is using something from FORTRAN?
Thanks a lot!


		
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