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From: John H. on 9 Dec 2009 05:59
On Dec 7, 1:58 pm, ImpalerCore <jadil...(a)gmail.com> wrote:
> I have some macros that use the construct '~((-1) << (WIDTH))' to
> generate masks.

You might consider looking at std::bitset to see if it meets your
needs:
http://www.sgi.com/tech/stl/bitset.html


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