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by eqvinox
566 days ago
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In IEEE 754 math, x/0 for x < 0 is in fact negative infinity. >>> np.float64(-1.)/0.
-inf
>>> np.float64(1.)/0.
inf
And you're exactly right, 0/0 is NaN in 754 math exactly because it approaches negative infinity, zero (from 0/x), and positive infinity at the same time. |
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