[R] A request

Prof Brian D Ripley ripley at stats.ox.ac.uk
Tue Apr 2 13:17:47 CEST 2002

On Tue, 2 Apr 2002, Ko-Kang Kevin Wang wrote:

> Which brings me to this question.  Does R understands Fortran 90, or do we
> must use Fortran 77?  Fortran 77 is extremely horrible and difficult to
> learn, as I learnt more advanced languages like Java and HTML first!

R doesn't care: it only uses compiled code in shared libraries/DLLs.

Unfortunately you cannot assume that users have an F95 (or F90) compiler.
In particular, gcc does not provide one, so Linux and Windows users do not
(necessarily) have one, and MacOS uses f2c which does not handle F90/5
constructs, AFAIK.  We are hard enough pressed to assume Fortran
(which R used not to).

I use f95 on Solaris, which works well with R (better than f77 because of
the enhanced libraries).

Brian D. Ripley,                  ripley at stats.ox.ac.uk
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 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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