From: WANG Cong <[email protected]>
Date: Tue, 20 Nov 2007 13:39:05 +0800
> And you mean abs() is not in glibc, then where is it? Built in gcc?
> And what's more, why not put it in glibc?
Because the compiler knows things about the inputs and can
thus apply optimizations that a static implementation in glibc
that has to handle all forms of inputs cannot.
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