Lee wrote:
I would like to use modeller library in my own Fortran 90 code, and implement extensions to Modeller in Fortran 90. What is the best way of doing this ?
Implementing extensions should be straightforward enough - you can write them in any language which can link against C. See examples/c-extensions/ for examples. For Fortran 90 code, this usually involves writing a C wrapper that converts C-style arguments (pass-by-value) to and from Fortran style (pass-by-reference). (Since some Fortran 90 compilers also do weird things with name munging in modules, it's often easier to declare your F90 code outside of a module, too.)
The same C-to-Fortran conversion applies for using the Modeller library from your own code. See examples/commands/c-example.c. But I usually recommend that you embed Python in your application (or even implement your application itself as a Python module) if you want to use Modeller functionality, since the Modeller Python interface exposes a much simpler and less error-prone object-oriented API than the low-level C one (plus, many parts of Modeller functionality, such as the automodel class, are implemented entirely in Python anyway).
Ben Webb, Modeller Caretaker
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