Date:	Thu, 15 Apr 1999 15:24:31 -0400
Message-Id:	<199904151924.PAA04730@envy.delorie.com>
From:	DJ Delorie <dj AT delorie DOT com>
To:	ajschrotenboer AT lycosmail DOT com
CC:	djgpp AT delorie DOT com
In-reply-to:	<371281AA.8968FC8@lycosmail.com> (message from Adam Schrotenboer
	on Mon, 12 Apr 1999 19:28:42 -0400)
Subject:	Re: UCLOCK_PER_SEC value
References:	<371281AA DOT 8968FC8 AT lycosmail DOT com>
Reply-To:	djgpp AT delorie DOT com
X-Mailing-List:	djgpp AT delorie DOT com
X-Unsubscribes-To:	listserv AT delorie DOT com

> I noticed that in time.h UCLOCKS_PER_SEC is defined as 1193180, but when
> I take 2^32/3600 i get approximately 1193046. I know that this isn't
> much difference, only 134, but was still wondering why this is.

Because it's not 2^32/3600; its *almost* that.  There's a note in the
uclock.c sources about it:

/* tics = about 18.2 * 65536 (1,192,755)

   actually, it's   0x1800b0 tics/day (FAQ)
                  / 24*60*60 sec/day
                  * 65536 utics/tic
		  = 1,193,180 utics/sec */

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