Short-circuit Logic
Roy Smith
roy at panix.com
Thu May 30 08:48:59 EDT 2013
In article <qotk3mhx78l.fsf at ruuvi.it.helsinki.fi>,
Jussi Piitulainen <jpiitula at ling.helsinki.fi> wrote:
> I wonder why floating-point errors are not routinely discussed in
> terms of ulps (units in last position).
Analysis of error is a complicated topic (and is much older than digital
computers). These sorts of things come up in the real world, too. For
example, let's say I have two stakes driven into the ground 1000 feet
apart. One of them is near me and is my measurement datum.
I want to drive a third stake which is 1001 feet away from the datum.
Do I measure 1 foot from the second stake, or do I take out my
super-long tape measure and measure 1001 feet from the datum?
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