Issues interfacing between C++ and Fortran

[FortranFan]

@ivanpribec

…
Correct way to wrap a C++ object into C

… Instead, I ended up using the approach demonstrated in this blog post. If I understand correctly, by casting the C++ objects into void * we loss the type safety of C++. However, once I wrap the C layer back into Fortran I can reestablish the type safety. …

I personally think that is the only approach that is viable in terms of 2 considerations important to me: a) be standard-conforming and b) be readable and maintainable even if it involves verbosity.

Here’s an example with the opaque (void *) pointer I had provided on another forum a while ago.