Darafei "Komяpa" Praliaskouski <me@komzpa.net> writes:
> If it happens because NaN > Infinity, then the check should be not for
> isnan, but for if (low>high){swap(high, low)}.
Yeah, the same idea had occurred to me. It'd still need a comment, but
at least it's slightly more apparent what we're trying to ensure.
regards, tom lane
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