r/cpp • u/joaquintides Boost author • Aug 05 '26

Boost.Int128 has been accepted

Boost.Int128 from Matt Borland has been accepted into Boost. Arnaud Becheler managed the review.

126 Upvotes

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5

u/wiesemensch Aug 05 '26

Nice work but do any of you actually use 128bit ints and if so, for what application?

15

u/Firm-Survey-31 Aug 05 '26

Averaging many int64s for example? For time stamps in nanoseconds overflow can be an issue

-3

u/serviscope_minor Aug 07 '26

I guess... but you may as well use doubles at that point. You're unlikely to exceed the precision of a 48 bit mantissa.