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: Andrew Dunstan <andrew.dunstan@2ndquadrant.com>
Cc: Michael Paquier <michael@paquier.xyz>, Postgres hackers <pgsql-hackers@lists.postgresql.org>, laetitia.avrot@gmail.com
Date: 2019-03-14T03:18:27Z
Lists: pgsql-hackers 
Andrew Dunstan <andrew.dunstan@2ndquadrant.com> writes:
> Or we could possibly call the function and then turn a result of -0 into 0?

But -0 is the correct output if the input is -0.  So that approach
requires distinguishing -0 from 0, which is annoyingly difficult.

			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().