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exp (huge :+ 0) #5

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davjam opened this issue Oct 13, 2021 · 0 comments

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davjam commented Oct 13, 2021 •

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is currently Infinity :+ NaN, hence not matching real function exp huge. Should it be Infinity :+ 0.

(and should exp (Inf :+ 0) be Infinity :+ NaN?)

The imag part is calculated as exp huge * sin 0.

Whether this is "correct" depends on whether 0 is really zero, or if it's underflow, and there's no way to tell.

The issue also impacts sin, cos, sinh, cosh.

Suggest leaving it as is for now, given the change is at least debatable.

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