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[leo kirotawa]

And you can find more here:
http://stackoverflow.com/questions/248693/double-negation-in-c-code


On Mon, Oct 21, 2013 at 5:20 PM, Nav Kamal <navkamal90 at gmail.com> wrote:

> I cam across a line which goes like this :
>
> #define likely(condition) (__builtin__ expect (!!(condition),1))
>
> Please somebody explain the double negation used in this macro.
>
> Regards
> Navkamal Rakra
>
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>


-- 
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Leônidas S. Barbosa (Kirotawa)
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