Creates interface for ufunc functions #5399
Merged
+876
−329
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Also closes #5253.
This creates an interface for functions that fall into numpy's "ufunc" category, enabling the optional use of the "where" and "out" parameters.
Four functions are rewritten to use this interface: ceil, floor, trunc, and arctan2.
Note: Proper handling of "where" and "out" causes problems with alignment_verification tests, as these were written when our handling of those parameters didn't match numpy. So I've also updated the alignment tests for ceil, floor, and trunc, and included a comment that further tests will need updating as the functions themselves are.