| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Joseph Koshakow <koshy44(at)gmail(dot)com> |
| Cc: | Ashutosh Bapat <ashutosh(dot)bapat(dot)oss(at)gmail(dot)com>, "Gregory Stark (as CFM)" <stark(dot)cfm(at)gmail(dot)com>, jian he <jian(dot)universality(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Infinite Interval |
| Date: | 2023-03-25 19:58:51 |
| Message-ID: | 2775294.1679774331@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Joseph Koshakow <koshy44(at)gmail(dot)com> writes:
> In terms of adding/subtracting infinities, the IEEE standard is pay
> walled and I don't have a copy. I tried finding information online but
> I also wasn't able to find anything useful. I additionally checked to see
> the results of C++, C, and Java, and they all match which increases my
> confidence that we're doing the right thing. Does anyone happen to have
> a copy of the standard and can confirm?
I think you can take it as read that simple C test programs on modern
platforms will exhibit IEEE-compliant handling of float infinities.
regards, tom lane
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