On 02/20/2013 05:05 PM, Andrew Morton wrote:
> I wonder if we should add some generic facility to handle this:
>
> /*
> * Query whether an unsigned type is `negative' when we don't know its size
> */
> #define msb_is_set(v) { implementation goes here ;) }
>
> Maybe not justified, dunno...
I do think that if you have to resort to using something like that there's
something terribly wrong with the code somewhere else, and that other thing
should be fixed first.
Maybe digging into the timers code and seeing why this is needed there will
prove me wrong...
Thanks,
Sasha
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