.. agreed but this looks too awful (and is mostly a joke!)

    return a >= b.nextDown.nextDown.nextDown.nextDown && a <= b.nextUp.
nextUp.nextUp.nextUp

Thanks, friends, for your insights and info .. Gavin

On Thu, Jun 29, 2017 at 3:30 PM, Taylor Swift via swift-users <
swift-users@swift.org> wrote:

>
>> (b) one ULP is almost never a tolerance you want to use. It’s much too
>> small for almost all computations, and too large for most of the remaining
>> ones.
>>
>> – Steve
>>
>
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