On 2005-06-06 19:23:06 -0400, Robert Dewar wrote:
> Laurent GUERBY wrote:
> 
> >Such algorithm usually require a very detailed control of what's
> >going on at the machine level, given current high level programming
> >languages that means using assembler.
> 
> No, that's not true, you might want to look at some of Jim Demmel's
> work in this area.

Do you have a reference (URL...)?

> >Or that many programs that currently work on many OS
> >will start to work the same under Linux instead of
> >giving strange (and may be wrong) results.
> 
> But many programs that work fine on the x86 now will start breaking.
                                          ^^^

Linux/x86 only! And probably not many programs, and only programs
specific to x86. Their authors could still change the rounding
precision at the beginning of their programs if need be.

-- 
Vincent Lefèvre <[EMAIL PROTECTED]> - Web: <http://www.vinc17.org/>
100% accessible validated (X)HTML - Blog: <http://www.vinc17.org/blog/>
Work: CR INRIA - computer arithmetic / SPACES project at LORIA

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