On Sat, May 17, 2008 at 01:04:03PM -0700, Spencer Graves wrote:
> Dear Professors Ripley and Murdoch:
>
> Thanks very much for the suggestion to upgrade my Rtools. That
> fixed the problem.
>
> Another question: How do people typically debug problems linking
> to legacy Fortran? For example, is there a reasonable (open source)
> debugger for gfortran? In the DierckxSpline package, Sundar Dorai-Raj
> and I link R to Fortran written by Paul Dierckx in 1979, last updated in
> 1987. We've encountered segmentation errors killing R, which are
> difficult to diagnose.
Look at valgrind, which is also documented in the R Extensions manual.
Dirk
> >>making DLL ...
--
Three out of two people have difficulties with fractions.
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