| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Andrew Dunstan <andrew(dot)dunstan(at)2ndquadrant(dot)com> |
| Cc: | Michael Paquier <michael(at)paquier(dot)xyz>, Postgres hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, laetitia(dot)avrot(at)gmail(dot)com |
| Subject: | Re: pgsql: Add support for hyperbolic functions, as well as log10(). |
| Date: | 2019-03-14 03:18:27 |
| Message-ID: | 2503.1552533507@sss.pgh.pa.us |
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| Lists: | pgsql-committers pgsql-hackers |
Andrew Dunstan <andrew(dot)dunstan(at)2ndquadrant(dot)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
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