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Re: [Bug-gnulib] ABS macro

From: Oskar Liljeblad
Subject: Re: [Bug-gnulib] ABS macro
Date: Mon, 19 Jul 2004 11:40:55 +0200
User-agent: Mutt/1.5.6+20040523i

On Friday, July 16, 2004 at 19:52, Bruno Haible wrote:

> Like Paul, I don't see a major benefit of this macro.
> - abs, labs, etc. are what a normal C programmer already uses,
>   without portability problems.
> - type generic math functions (as in <tgmath.h>) are still very uncommon
>   in C.
> - The speed of execution is not an argument either, because GCC already
>   compiles abs() calls inline.
> So what's the point that I missed?

I guess the only point is that they're type/size independent, at least
if you are using integer numbers. Having to pick a function among abs,
labs and llabs isn't a problem though.


Oskar Liljeblad (address@hidden)

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