From: "David McClain" <dmcclain1@mindspring.com>
To: <caml-list@inria.fr>
Subject: [Caml-list] Complex Arithmetic
Date: Wed, 28 Mar 2001 09:14:08 -0700 [thread overview]
Message-ID: <000901c0b7a2$20e18750$210148bf@dylan> (raw)
Hi!
I want to thank all of you on this topic for helping point out the wider
meaning of Kahan's statement. After getting some sleep I now realize the
"Eureka!" that I missed in the wider sense, along with every other language
(that I know about) that uses rectangular mapping of the complex plane. I
need to stop working all night into the red-eye zone so that these things
become a bit more apparent on first glimpse...
Indeed a rectangular representation *IS* insufficient and something which
also encodes the Riemann sheet is needed to properly handle all
possibilities.
Will I fix NML in this regard? Probably not... simply because letter-perfect
complex arithmetic is so rarely needed in practice. But I might play around
with a limited class of compelx numbers that do things correctly. I wouldn't
want to hose down the performance of my FFT's and such.
- DM
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next reply other threads:[~2001-03-28 16:14 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-03-28 16:14 David McClain [this message]
-- strict thread matches above, loose matches on Subject: below --
2001-03-28 7:37 David McClain
2001-03-28 7:21 David McClain
2001-03-28 7:47 ` Bruce Hoult
2001-03-28 8:16 ` David McClain
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