[Nek5000-users] Link Fortran90 code via Fortran Interface

[nek5000-users at lists.mcs.anl.gov]

I guess you could just use common blocks also in the Fortran90 code.

Philipp

On 2016-02-11 18:00, nek5000-users at lists.mcs.anl.gov wrote:
> Hi Philipp,
>
> You should be able to define subprograms in a separate F90 file and call
> them from the usr file.  Then, just compile your new file and add it to
> the link line using the "USR_LFLAGS" option in makenek. However, it
> could be a bit tricky to access global data stored Nek5000's common
> blocks, so I'd strongly suggest making those routines self-contained
> with all data passing via arguments.  This approach can be used to link
> in C or C++ code as well, as they are all object compatible.
>
> The usr file itself needs to be F77, if for no other reason than the
> include files ('SIZE', for example) are in F77 format.
>
> Depending on your problem, you may be able to use NekBox, which is
> written in F90 and uses F90 for the usr file.  NekBox is more of a
> prototyping code than a production code, so its functionality is
> limited.  See:
> https://github.com/Nek5000/NekBox
>
> Max
>
> On Thu, Feb 11, 2016 at 8:35 AM <nek5000-users at lists.mcs.anl.gov
> <mailto:nek5000-users at lists.mcs.anl.gov>> wrote:
>
>     Hi Neks,
>
>     Is it possible to link Fortran90 code via the Fortran Interface
>     (b3d.usr).
>
>     Best regards, Philipp Weiss
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