[R] problems linking c++ code

[Prof Brian Ripley]

On 10 Sep 2001, Allan Strand wrote:

....

> Do you know of examples of c++ code interfaced through the
> .Call/.Extern system?

The Matrix library on CRAN, for one.  Most people seem to use the R
internals in C and link to other C++ functions through extern "C" exports.

Matrix has

extern "C" {
#include <R.h>
#include <Rinternals.h>
...
}

-- 
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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