[R] Re: Problem: creating shared objects using lapack and blas

About this list Date view Thread view Subject view Author view Attachment view

From: Zhu Wang (zhuw@mail.smu.edu)
Date: Sat 29 May 2004 - 15:13:30 EST


Message-id: <1085807609.4753.3.camel@zwang.stat.smu.edu>

To solve my own problem, it seems better to follow instructions in
"Writing R Extensions" to build a library. I am making progress.

Thanks,

Zhu Wang

Statistical Science Department
Southern Methodist University
Dallas, TX 75275-0332

On Fri, 2004-05-28 at 13:11, Zhu Wang wrote:
> I am having trouble with creating shared objects with Fortran files,
> which use numerical libraries Lapack and Blas. I have read the section
> in "Writing R Extensions" but could not find what I needed and I am not
> at the stage to create a library.
>
> What I did was
>
> $R CMD SHLIB --output=car file1.f file2.f ... file50.f -llapack -lblas
>
> No error message so far,
>
> But
>
> $>dyn.load("./car")
> Error in dyn.load(x, as.logical(local), as.logical(now)) :
> unable to load shared library "/home/zwang/R/pkg/car/src/./car":
> /home/zwang/R/pkg/car/src/./car: undefined symbol: slamch_
>
> I think the way I used to link Lapack and Blas was not correct, even
> though it worked fine when I used for running Fortran code before.
>
> Thanks for any advice.
>
> Zhu Wang
>
> Statistical Science Department
> Southern Methodist University
> Dallas, TX 75275-0332

--

______________________________________________ R-help@stat.math.ethz.ch mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html


About this list Date view Thread view Subject view Author view Attachment view

This archive was generated by hypermail 2.1.3 : Mon 31 May 2004 - 23:05:14 EST