Horton

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

Tom Lane <tgl@sss.pgh.pa.us>

View thread View on postgr.es
From: Tom Lane <tgl@sss.pgh.pa.us>
To: Dean Rasheed <dean.a.rasheed@gmail.com>
Cc: Michael Paquier <michael@paquier.xyz>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>, laetitia.avrot@gmail.com
Date: 2019-03-14T04:41:27Z
Lists: pgsql-hackers 
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

Commits

  1. Further adjust the tests for the hyperbolic functions.

  2. Adjust the tests for the hyperbolic functions.

  3. Rethink how to test the hyperbolic functions.

  4. Add support for hyperbolic functions, as well as log10().