Comment (by Samuel Cupp):

I ported all the changes made to GRHayLHD and GRHayLID to the X versions and added a test to GRHayLHDX. I also checked that the test looks the same for both versions (as much as they can with cell/vertex differences).

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Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/2745/inclusion-of-grhayl-library-and-associated