Paul.Zimmermann at loria.fr
Wed Jun 10 00:55:17 CEST 2009
> From: David Harvey <dmharvey at cims.nyu.edu>
> Date: Mon, 8 Jun 2009 23:58:34 -0400
> Hi folks,
> I have written up some work I've been doing on middle products,
> please see
> I expect this could yield improved constants in GMP for various
> styles of division, square root etc.
> Any comments, constructive or destructive, are welcome.
as a first application, I suggest trying the middle product for the
inverse computation. See for example Algorithm 43 (ApproximateReciprocal)
from , more precisely T = A*X_h at step 5.
 Modern Computer Arithmetic, Richard Brent and Paul Zimmermann,
version 0.2.1, March 2009, http://www.loria.fr/~zimmerma/mca/mca-0.2.1.pdf.
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