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0 pointsjs21y ago0 comments

IEEE 754 can represent integers larger than MAX_SAFE_INTEGER, just not all of them:

That's still going to be a greater than 0.1% chance of hitting a non-representable value though.

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It’s been a long long time. I may be remembering the ratio wrong, or we might have been clipping the range a bit.

> or we might have been clipping the range a bit

Well it's a pretty abrupt change. 53 bits work fine, at 54 bits a quarter of numbers get truncated, at 55 it's half.

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0 pointsjs21y ago0 comments

IEEE 754 can represent integers larger than MAX_SAFE_INTEGER, just not all of them:

That's still going to be a greater than 0.1% chance of hitting a non-representable value though.

It’s been a long long time. I may be remembering the ratio wrong, or we might have been clipping the range a bit.

> or we might have been clipping the range a bit

Well it's a pretty abrupt change. 53 bits work fine, at 54 bits a quarter of numbers get truncated, at 55 it's half.

j / k navigate · click thread line to collapse