Re: GPS Leap Second Scheduled!
H. Peter Anvin (hpa@transmeta.com)
14 Sep 1998 03:56:41 GMT
Followup to: <35FC906B.60BF4B98@his.com>
By author: Feuer <feuer@his.com>
In newsgroup: linux.dev.kernel
>
> H. Peter Anvin wrote:
>
> > Followup to: <35FC716F.B875BF67@his.com>
> > By author: Feuer <feuer@his.com>
> > In newsgroup: linux.dev.kernel
> > > > >
> > > > > Why would you have the TAI-UTC difference instead of just TAI?
> > > > > The part of your message below was very confusing to me.
> > > > >
> > > > Because it is smaller (fewer bits needed) than another timefield, and
> > > > an important piece of information in itself.
> > > >
> > > > time_t needs to be UTC, there really is no choice.
> > > >
> > >
> > > I don't see how much impact the size of this particular structure
> > > really has on anything. How is that UTC-TAI difference so important
> > > if you are not studying the rotation of the earth? As I said before
> > > (in the part you snipped), people interested in making calendars and
> > > showing the time on the screen will want UTC, those who want to
> > > measure the time between two events will want TAI. I would find it
> > > very annoying (and confusing) to have to a) add or subtract two
> > > numbers to get what I want b) remember whether I'm adding or
> > > subtracting.
> > >
> >
> > Tough.
> >
>
> Now what was that supposed to mean? And since when are you making the
> decision?
>
It is supposed to mean that whether or not it's "annoying and
confusing" to you have very little relevance to anyone else.
-hpa
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