From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
Cc: | Dean Rasheed <dean(dot)a(dot)rasheed(at)gmail(dot)com>, Peter Eisentraut <peter_e(at)gmx(dot)net>, Noah Misch <noah(at)leadboat(dot)com>, Michael Paquier <michael(dot)paquier(at)gmail(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: [COMMITTERS] pgsql: Add trigonometric functions that work in degrees. |
Date: | 2016-04-26 15:36:46 |
Message-ID: | 8396.1461685006@sss.pgh.pa.us |
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Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> On Tue, Apr 26, 2016 at 11:26 AM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> The next time somebody proposes that we can get exact results out of
>> floating-point arithmetic, I'm going to run away screaming.
> And you wonder why I avoid floating point variables like the plague...!
Float variables are fine for their intended use-case. The problem is
with trying to guarantee identical results across all platforms.
regards, tom lane
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