Re: [Rd] How to use a C code in R

From: Prof Brian Ripley <>
Date: Fri 21 Jan 2005 - 14:51:51 EST

LAPACK is in Fortran. See `Writing R Extensions' from the definition of what $(LAPACK_LIBS) provides, and for details of the corresponding C headers.

There are lot of examples amongst CRAN packages of calling LAPACK from C.

On Thu, 20 Jan 2005 wrote:

> I have a c code which uses clapack. I want to integrate R with this code. It
> said that I create a R package including my c code. Then build it with putting
> PKG_LIBS = $(LAPACK_LIBS). I want to know the interface LAPACK_LIBS is Fortran
> or C? If it is written in Fortran, how can I build them together? If I can
> build them together, I still use the function in cLapack or the function in
> LAPACK_LIBS? Could you tell me how I can do in detail?

Brian D. Ripley,        
Professor of Applied Statistics,
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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