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

Michael Paquier <michael@paquier.xyz> writes:
> On Tue, Mar 12, 2019 at 07:55:14PM +0000, Tom Lane wrote:
>> Add support for hyperbolic functions, as well as log10().

> jacana is not a fan of this commit, and failed on float8:
> https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=jacana&dt=2019-03-13%2000%3A00%3A27
> @@ -476,7 +476,7 @@
> SELECT asinh(float8 '0');
>  asinh
> -------
> -     0
> +    -0
> (1 row)

Yeah.  I warned Laetitia about not testing corner cases, but
it hadn't occurred to me that zero might be a corner case :-(

I'm inclined to leave it as-is for a day or so and see if any
other failures turn up, before deciding what to do about it.

            regards, tom lane