Using DEAP with C++

[Pietro Fusco]

Hi everyone,

I was wondering if it is possible to use DEAP with C++.

Thanks.

[François-Michel De Rainville]

You'll find an example of including c++ code in deap in the tools/_hypervolume directory. However, this is a more general question about Python and C++ integration.

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[Pietro Fusco]

Dear François-Michel De Rainville,

many thanks for your feedback.

Perhaps, I would like to underline that I would like to know if it is possible to use DAAP into a C++ program and not vice-versa.

Best regards,

[François-Michel De Rainville]

I think what you are looking for is this

https://docs.python.org/3/extending/embedding.html

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[Pietro Fusco]

Yes, you are right. 

One step ahead is about using DEAP in a C++.

Is it possible?

Regards 

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[EBo]

I have no projects I need to use DEAP at the moment, BUT...

Several years ago, I taught a section of NASA Goddard's Python Bootcamp
on interlanguage communication - with examples communicating between
python, Fortran, and C (I do not remember if I included C++ as well, but
I do know I had demo code for Python=>C and C=>python). So, it should
be possible. In fact, one of the big projects I did nearly a decade
ago, the evaluation function was in Fortran (and could take several
hours per run). In that hack, I set up the standard output to be
something similar to YAML or maybe it was Key/Data pairs. Anyway, I
grabbed that output from via Popen, and then fed it into my statistics.
So, there are ways to do it directly, and indirectly.

Anyway, it is not clear from your earlier email what you are trying to
accomplish. DEAP does not have a lot of overhead as things go, so there
is little advantage to make it run inside of C++. On the other hand,
there are cases where the evaluation function can take hours for each
individual, and you can have huge savings by exporting that to
C/C++/Fortran, etc. So, give us some more information, and I/we will
see if we can be of more assistance.

EBo --

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