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 <[email protected]> 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 > > _______________________________________________ > Kernelnewbies mailing list > [email protected] > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies > > -- ---------------------------------------------- Leônidas S. Barbosa (Kirotawa)
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