From: stt@houdini.camb.inmet.com (Tucker Taft)
Subject: Re: how to do bit-wise operation on none modular types?
Date: 1999/03/03
Date: 1999-03-03T00:00:00+00:00 [thread overview]
Message-ID: <F81LB1.L19.0.-s@inmet.camb.inmet.com> (raw)
In-Reply-To: 7bjjck$25t7@news1.newsguy.com
Samuel Mize (smize@imagin.net) wrote:
: Do you get some advantage from the "more direct route" that compensates
: for it being somewhat less clear? I would expect the type conversion
: to be a "view conversion" (terminology check) and so not to require
: a copy, so both code fragments would be equally efficient.
Personally, I find "X mod 16#10000#" *more* clear than "X and 16#FFFF#"
because bitwise "and" is working on the representation, whereas
"mod" is working on the value, but vive la difference.
Note that "mod" works properly whether X is negative or positive.
: Best,
: Sam Mize
--
-Tucker Taft stt@averstar.com http://www.averstar.com/~stt/
Technical Director, Distributed IT Solutions (www.averstar.com/tools)
AverStar (formerly Intermetrics, Inc.) Burlington, MA USA
next prev parent reply other threads:[~1999-03-03 0:00 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-03-03 0:00 how to do bit-wise operation on none modular types? bill
1999-03-03 0:00 ` Tucker Taft
1999-03-03 0:00 ` Samuel Mize
1999-03-03 0:00 ` Tucker Taft [this message]
1999-03-04 0:00 ` Tom Moran
1999-03-04 0:00 ` fraser
1999-03-04 0:00 ` robert_dewar
1999-03-05 0:00 ` bourguet
1999-03-05 0:00 ` robert_dewar
1999-03-03 0:00 ` fraser
1999-03-04 0:00 ` Samuel Mize
1999-03-05 0:00 ` fraser
1999-03-04 0:00 ` dennison
1999-03-03 0:00 ` dennison
1999-03-03 0:00 ` Tarjei Tj�stheim Jensen
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