this post was submitted on 16 May 2024
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10/0 ≠ lim x->0+ 10/x
Or in other words, the thing you keep quoting does not apply in this case. Any number divided by zero is undefined, not positive infinity (or negative infinity for that matter).
It's undefined in math, but not floating point arithmetic
To be fair, it turns out not all environments implement floating-point arithmetic by the IEEE spec, meaning division by 0 can produce different results depending on where you run it. So in C++ float division by zero is undefined: https://stackoverflow.com/questions/42926763/the-behaviour-of-floating-point-division-by-zero
But I'm fairly sure (note: based on literally no research) that most environments today will behave like the IEEE spec.