libtai versus xtime
D. J. Bernstein
djb at cr.yp.to
Sun Oct 4 18:06:16 UTC 1998
Markus Kuhn writes:
> > > xtime_get can fail
> > In libtai, tai_now() and taia_now() always succeed.
> I think this claim is a bit unrealistic.
RTFM. These functions return their best guess as to the current time.
Accuracy is a quality-of-implementation issue.
> The only common hardware
> platform where a correct and robust implementation of your libtai is
> possible would be a GPS receiver that has been running for at least 12
> minutes with an antenna outside a building.
Where do you get these absurd ideas? libtai works with whatever clock is
available. There's nothing special about GPS.
> If it is not TAI, then please do not call it TAI,
It is TAI. See http://pobox.com/~djb/proto/tai64.txt.
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