Remove unused approximate excitation level (AEL) code #2672
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Description
Remove the approximate excitation level (AEL) code. It is not called anywhere C++-side, it is not
PSI_API
and I do not think it is exported to Py-side. So dead code as far as I can tell.Plus, it might also be somehow broken as well, judging by this comment:
There is an AEL expert option for the
ccdensity
module, however as far as I can tell setting it true would not do anything at all, as there is no code that would call the AEL function removed by this PR. Therefore this PR also removes the defunct option.Please note that this PR does not touch the AEL calculation in
cclambda/projections.cc
, as it is completely unrelated.If this is merged I will submit the file to psi4attic. This is another shard of the #2642 mega-PR that can be merged independently.
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