Date: Mon, 4 Feb 2002 11:44:35 -0800 (PST) From: Ed Symanzik <zik@msu.edu> To: freebsd-gnats-submit@FreeBSD.org Subject: misc/34617: /usr/bin/units mangles temperature conversion Message-ID: <200202041944.g14JiZ346652@freefall.freebsd.org>
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>Number: 34617
>Category: misc
>Synopsis: /usr/bin/units mangles temperature conversion
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Mon Feb 04 11:50:01 PST 2002
>Closed-Date:
>Last-Modified:
>Originator: Ed Symanzik
>Release: 4.4
>Organization:
Michigan State University
>Environment:
FreeBSD hardy.cl.msu.edu 4.4-STABLE FreeBSD 4.4-STABLE #32: Thu Oct 11 10:19:10 EDT 2001 root@:/usr/src/sys/compile/ZIK i386
>Description:
units results for temperature conversions is incorrect.
units will not accept non-positive numbers.
The problem is that temperature scales do not intersect
at zero. There should be a way to note this in units.lib.
Perhaps
degC K +273
degF 5|9 degC +32
>How-To-Repeat:
> units
497 units, 54 prefixes
You have: 20 degC
You want: K
* 20
/ 0.05
You have: 32 degF
You want: degC
* 17.777778
/ 0.05625
You have: 0 degF
units: unit reduces to zero
You have: -9 degC
unknown unit '-'
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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