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Raising interval to power zero should always give one #22

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andrewburbanks opened this issue Jul 25, 2018 · 1 comment
Open

Raising interval to power zero should always give one #22

andrewburbanks opened this issue Jul 25, 2018 · 1 comment

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@andrewburbanks
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andrewburbanks commented Jul 25, 2018 •
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Raising an interval X to the integer power zero should give the interval [1, 1] provided that X is not empty, even if X contains zero. However, the current version delivers [0, 1] if X contains zero.

Example:

interval[0]**0
interval([0.0, 1.0])
@taschini
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You're right. I'll fix that as soon as I have a little time.

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@andrewburbanks @taschini