On Sat, May 04, 2019 at 06:42:47PM +0200, Thomas König wrote: > > > - figure out Fortran2003 specification for C/Fortran interoperability > > -- this _sounds_ like the right solution, but I don't think many > > understand how to use it and what is implied (in particular, will > > it require making changes to LAPACK itself?) > > That would actually be fairly easy. If you declare the subroutines > BIND(C), as in > > subroutine foo(a,b) BIND(C,name="foo_") > real a > character*1 b > end > > you will get the calling signature that you already have in your C > sources. > > This also has the advantage of being standards compliant, and would be > probably be the preferred method. >
With the caveat that one may need to use the VALUE attribute to account for pass-by-value vs pass-by-reference. -- Steve ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
