(+ *:) ^:20~1j1
|NaN error
| (+*:)^:20~1j1
(+ *:) ^:20~2
_
I think that earlier versions of J returned infinity on overflow instead of
NaN. Current version of J retained that convention only for real numbers and
returns NaN on complex overflows.
This is even more surprising since there seems to be "complex infinity" which
apparently goes unutilized:
(+ *:) :: _: ^:20~1j1
_j_
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