[R] question about F77_NAME()
Prof Brian D Ripley
ripley at stats.ox.ac.uk
Fri Feb 8 16:06:00 CET 2002
On Fri, 8 Feb 2002, Liaw, Andy wrote:
> Dear R-help,
> Sorry if this is way obvious. (It just wasn't for me...)
> Do all parameters passed to Fortran routines from C need to be declared as
> pointers? In various header files (e.g., Linpack.h), that seems to be the
Yes. Fortran passes by reference.
> Also, what type should I declare in front of F77_NAME() for a subroutine?
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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