On Mon, Jun 15, 2020 at 11:10:43PM +0000, Tom Lane wrote: > Fix power() for large inputs yet more. > > Buildfarm results for commit e532b1d57 reveal the error in my thinking > about the unexpected-EDOM case. I'd supposed this was no longer really > a live issue, but it seems the fix for glibc's bug #3866 is not all that > old, and we still have at least one buildfarm animal (lapwing) with the > bug. Hence, resurrect essentially the previous logic (but, I hope, less > opaquely presented), and explain what it is we're really doing here.
fossa seems to still be complaining after that: https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=fossa&dt=2020-06-16%2000%3A23%3A24 SELECT power(float8 '-inf', float8 '-2'); power ------- - 0 + -0 (1 row) Thanks, -- Michael
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