Re: Floating point error

• Date: Wed, 13 Mar 1996 12:10:43 PST
• From:
  Pavel Curtis <pavel@parc.xerox.com>
• cc: moo-cows.PARC@xerox.com
• In-Reply-to: "Brian Buchanan's message of \"Tue, 12 Mar 1996 15:48:45 PST\" <199603122348.PAA17846@wasteland.calbbs.com> "

Brian Buchanan writes:
> It appears that there's a problem with floating point in 1.8.0p1...
> On a MOO running 1.8.0beta3 and on another running beta2:
> ;1.6
> => 1.6
> On a MOO running 1.8.0p1 and on ANOTHER running p1:
> ;1.6
> => 1.6000000000000001

This is, indeed, an issue in the release and not just in any particular
operating system.  The change (in 1.8.0) was to add a couple more digits to the
output of floating-point numbers (DBL_DIG + 2 instead of just DBL_DIG, for
those who know what that means).  I was trying to be sure of getting all of the
information in the number, especially for DB saving, but I may have gone too
far.  I'll look into it for 1.8.0p2.

	Pavel

• Floating point error
• From: Brian Buchanan <brian@wasteland.calbbs.com>

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