(j3.2006) Interval arithmetic

Toon Moene toon at moene.org
Fri Mar 13 07:14:44 EDT 2009


Van Snyder wrote:

> As a consequence of my involvement with P1788, I have concluded that it
> is impossible in general to provide reliable interval arithmetic with
> other than an intrinsic type.
> 
> The killer is register spill.  When a compiler has a value in a register
> that is wider than the memory representation of that variable,

Didn't we finally get rid of this abomination by the definition of 
floating point arithmetic in the x86-64 architecture.

I don't want to be stuck in the '80s

Kind regards,

-- 
Toon Moene - e-mail: toon at moene.org (*NEW*) - phone: +31 346 214290
Saturnushof 14, 3738 XG  Maartensdijk, The Netherlands
At home: http://moene.org/~toon/
Progress of GNU Fortran: http://gcc.gnu.org/gcc-4.4/changes.html


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