Jean Delvare wrote:
quoted text
> !!(value & (1 << offset))
> is more efficiently written
> (value >> offset) & 1
>   

... but not more efficiently implemented.

Your version requires code to do the shift on live data at runtime.  
David's version lets the compiler create the mask once, at compile-time.



b.g.

-- 
Bill Gatliff
bgat@billgatliff.com

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