- Contemporary messages sorted: [ by date ] [ by thread ] [ by subject ] [ by author ] [ by messages with attachments ]

From: Markus Kuhn <Markus.Kuhn_at_cl.cam.ac.uk>

Date: Mon, 30 Oct 2000 15:25:43 +0000

"Clive D.W. Feather" wrote on 2000-10-25 20:37 UTC:

*> This new UTS would have a second whose length is either 1.000, 0.999,
*

*> or 1.001 SI seconds. No new problems.
*

I agree with everything, except for a tiny detail: The UTS proposal has

modified seconds that are exactly 1, 1000/999 or 1000/1001 SI seconds

long. That is slightly different from exactly 1.000, 0.999, or 1.001 SI

seconds. You could indeed also define UTS such that the modified seconds

are exactly 999/1000 and 1001/1000 ms long, but I consciously chose the

other option. It just depends on whether you prefer finite length UTS

decimal fractions at the beginning of each UTC second (as I do) or

finite UTC decimal fractions at the beginning of every UTS second.

Perhaps a matter of taste, which table representation you want to be

more intuitive. I looked for but could not find a really nice definition

of UTS such that both table representations have finite decimal

fractions.

Markus

Date: Mon, 30 Oct 2000 15:25:43 +0000

"Clive D.W. Feather" wrote on 2000-10-25 20:37 UTC:

I agree with everything, except for a tiny detail: The UTS proposal has

modified seconds that are exactly 1, 1000/999 or 1000/1001 SI seconds

long. That is slightly different from exactly 1.000, 0.999, or 1.001 SI

seconds. You could indeed also define UTS such that the modified seconds

are exactly 999/1000 and 1001/1000 ms long, but I consciously chose the

other option. It just depends on whether you prefer finite length UTS

decimal fractions at the beginning of each UTC second (as I do) or

finite UTC decimal fractions at the beginning of every UTS second.

Perhaps a matter of taste, which table representation you want to be

more intuitive. I looked for but could not find a really nice definition

of UTS such that both table representations have finite decimal

fractions.

Markus

-- Markus G. Kuhn, Computer Laboratory, University of Cambridge, UK Email: mkuhn at acm.org, WWW: <http://www.cl.cam.ac.uk/~mgk25/>Received on Mon Oct 30 2000 - 07:25:39 PST

*
This archive was generated by hypermail 2.3.0
: Sat Sep 04 2010 - 09:44:54 PDT
*