From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | Dean Rasheed <dean(dot)a(dot)rasheed(at)gmail(dot)com> |
Cc: | Michael Paquier <michael(at)paquier(dot)xyz>, PostgreSQL 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 04:41:27 |
Message-ID: | 6989.1552538487@sss.pgh.pa.us |
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Dean Rasheed <dean(dot)a(dot)rasheed(at)gmail(dot)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
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