Re: [Rd] LAPACK Headers

From: Hin-Tak Leung <>
Date: Thu, 14 Jun 2007 23:27:44 +0100

Try this? (this is on 2.5.0, I don't use 2.4.x anymore)

#include <R_ext/Lapack.h>

Have you actually tried grep dgesv $R_HOME/include/* $R_HOME/include/*/* to see which file to include for dgesv ??

HTL wrote:
> Hey Everyone,
> I'm running R 2.4.0 on Debian etch 4.0, and I'm trying to call some
> LAPACK functions from the C code in my package. Actually, to be
> honest I'm not really having trouble using commands such as La_dgesv
> from within my C code, but I do get warning when compiling the package
> saying:
> ***.c: In function '***':
> ***.c:37: warning: implicit declaration of function 'La_dgesv'
> ***.c:37: warning: assignment makes pointer from integer without
> a cast
> I tried using:
> #include <Rmodules/Rlapack.h>
> but it won't compile the package at all with that included,
> complaining that
> ***.h:5:30: error: Rmodules/Rlapack.h: No such file or directory
> Can someone explain to me how I should include the headers to this
> AWESOME wrapper code to the LAPACK libraries? Am I not following the
> proper protocol by using these La_* commands in my package source
> code?
> Note, I also have the following in Makevars
> TIA!
> I initially posted this question on the general list, but I didn't get
> any responses.
> ______________________________________________
> mailing list
> mailing list Received on Thu 14 Jun 2007 - 22:32:16 GMT

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