Date: Fri, 30 Jul 1999 09:32:59 +0930 From: Greg Lehey <grog@lemis.com> To: Luigi Rizzo <luigi@labinfo.iet.unipi.it> Cc: "Brian F. Feldman" <green@FreeBSD.org>, des@flood.ping.uio.no, cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/netinet ip_fw.c Message-ID: <19990730093259.A93194@freebie.lemis.com> In-Reply-To: <199907291156.NAA06494@labinfo.iet.unipi.it>; from Luigi Rizzo on Thu, Jul 29, 1999 at 01:56:50PM %2B0200 References: <Pine.BSF.4.10.9907291008390.13541-100000@janus.syracuse.net> <199907291156.NAA06494@labinfo.iet.unipi.it>
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On Thursday, 29 July 1999 at 13:56:50 +0200, Luigi Rizzo wrote:
>> On 29 Jul 1999, Dag-Erling Smorgrav wrote:
>>
>>> Brian Feldman <green@FreeBSD.org> writes:
>>>> Log:
>>>> 8 -> NBBy
>>>
>>> "number of bits by byte"?
>>
>> Yep, that's exactly what it is. NBBY is much preferred to hardcoding 8 :)
>
> ok, so now we have to replace all explicit occurrence of other
> universal constants when used in a non-numeric context such as
>
> 0 -> ZERO
> 1 -> ONE
> 2 -> NSOB "Number of States of One Bit"
> 10 -> NFTH "Number of Fingers in Two Hands"
Or, to quote fortune:
The primary purpose of the DATA statement is to give names to
constants; instead of referring to pi as 3.141592653589793 at every
appearance, the variable PI can be given that value with a DATA
statement and used instead of the longer form of the constant. This
also simplifies modifying the program, should the value of pi change.
-- FORTRAN manual for Xerox Computers
Greg
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