Re: [R-pkg-devel] Using FORTRAN libraries and compiler options

2019-11-14 Thread Dirk Eddelbuettel
On 14 November 2019 at 16:42, Rampal S. Etienne wrote: | I couldn't find a call to dgemm in the mvtnorm package. Do you have | other suggestions for packages that may be calling this? The mirror of CRAN at GitHub allows convenient search. Looking for 'user:cran dgemm' give 620+ code hits; the

Re: [R-pkg-devel] Using FORTRAN libraries and compiler options

2019-11-11 Thread Avraham Adler
If I’m not mistaken, dgemm is a BLAS call. That should be accessible from Fortran via an external call. I think the mvtnorm package calls BLAS/LAPACK from Fortran if that helps. Avi On Mon, Nov 11, 2019 at 6:40 AM Rampal S. Etienne wrote: > Hello, > > I am using FORTRAN code with the deSolve

Re: [R-pkg-devel] Using FORTRAN libraries and compiler options

2019-11-11 Thread Erin Hodgess
Hello! Have you tried compiling with the -lblas -llapack options, please? Then you can use the appropriate subroutine. Thanks, Erin On Mon, Nov 11, 2019 at 9:40 AM Rampal S. Etienne wrote: > Hello, > > I am using FORTRAN code with the deSolve package. However, the code > still runs slowly.