Re: [RFC][PATCH] fix abs() macro to work with types wider than int

[Randy Dunlap <randy.dunlap@oracle.com>]

John Anthony Kazos Jr. wrote:
> > > > I think it's like it is just to be consistent with abs() in C,
> > > > which also contains labs() and llabs().
> > > >   
> > > We actually had labs() before (few months ago), but since it was not 
> > > used, and if it would it seemed better to just fix abs(), it was 
> > > removed. So I think this is the appropriate way to go.
> > Sounds like when someone actually needs labs() or llabs()
> > they can submit a patch for however they would like to use it.
>
> However they would like to use *abs()? What different ways are possible to 
> take the arithmetic absolute value? I see record of many cases where 
> dozens of authors have macros that then get collapsed to include files. So 
> why not avoid that annoyance this time and -start- with it in the include 
> files?
>
> Can there even be any reason beyond unnecessary pedantics to have 
> [l[l]]abs?

See Paragraph 1 above.  We do lots of functions in a manner that is
like C (or libc) so that we don't confuse developers.

--
~Randy
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