On Thu, Oct 2, 2014 at 4:25 PM, Ei-ji Nakama <nak...@ki.rim.or.jp> wrote:
> Hello
>
> > The value generated by Fortran's .TRUE. evaluates as "truthy" -- as in
> > all(z[[1]]) -- but is neither equal to nor identical to TRUE. Its numeric
> > conversion to -1 is most unusual, every other system I've tried converts
> to
> > +1.
>
> Please read the -fpscomp logicals option of ifort.
>
Wow that's an interesting read, and the line
"Intel recommends that you avoid coding practices that
depend on the internal representation of LOGICAL values"
says it all with regard to R and Fortran LOGICALS, I think!
Barry
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