Draft: AST-1370: Reimplementation of H5 facet solutions cache with xtensor. (!138) · Merge requests · ResearchAndDevelopment / schaapcommon

Draft merge request, no code style included.
Please, analyze the general implementation.
Verify this implementation works for H5 files different from those used for reproduce the problem.
To test WSClean using this branch, pull this WSClean branch: https://gitlab.com/aroffringa/wsclean/-/tree/ast-1370-applying-h5parm-solutions-painfully-slow It should use download this branch of schaapcommon under 'external' directory.

Draft: AST-1370: Reimplementation of H5 facet solutions cache with xtensor.