Re: pgsql: Add support for hyperbolic functions, as well as log10().

Dean Rasheed <dean.a.rasheed@gmail.com> writes:
> I'm amazed that jacana's asinh() returned -0 for an input of +0.

Even more amusingly, it returns NaN for acosh('infinity'), cf
https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=jacana&dt=2019-03-14%2003%3A00%3A34

Presumably that means they calculated "infinity - infinity" at some
point, but why?

So far, no other failures ...

            regards, tom lane