Le 17/09/2021 à 19:16, Carter Schonwald a écrit :
Hey Barak, is Common Lisp the only extant language to take those issues seriously or are there other examples or better ones?
// tan / atan troubles cited by Barak.
Common Lisp??
But even the ugly Python reacts better to such examples:
>>> from
numpy import *
>>> rr, ii = 1.0e-20+0j, 1.0e-20j
>>>
tan(rr),arctan(rr)
((1e-20+0j), (1e-20+0j))
>>> tan(ii),arctan(ii)
(1e-20j, 1e-20j)
==
This works also with cmath (with arctan as atan).
Jerzy Karczmarczuk
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