Comment (by Zach Etienne):

@Roland Haas We have decided to go in a different direction from this pull request. We are currently NRPy-fying GiRaFFE in a way that pulls each component of GiRaFFE into a unit test that validates against the original version. Having the entire GiRaFFE written & documented in Jupyter notebooks (where one need only run the Jupyter notebooks to generate the entire thorn/thorn family, and every equation is NRPy-fied + documented with a hyperlink to the relevant paper) will be most sustainable moving forward.

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Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/2064/add-giraffe-to-the-einstein-toolkit