Floating point problem

Grant Edwards grant.b.edwards at gmail.com
Sat Apr 18 14:59:50 EDT 2020


On 2020-04-18, Dennis Lee Bieber <wlfraed at ix.netcom.com> wrote:

> At the very least, one was taught to not test for equality of two
> floating point values (which also implies one did not test for the
> negation of equality). One either tested for difference
> (greater/less than) or for a delta between values being less than
> some threshold.

> 	while abs( v - 1.0) > 0.05:

Then the trick is choosing the threshold without doing a day's worth
of trial-and-error test runs.

--
Grant





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