Fw: [ODE] Re: Deterministic simulation on multiple clients

[George Birbilis]

indeed, FPU word seems something many apps/frameworks like to mess with

----- Original Message ----- 
From: "James Dolan" <...>
Subject: Re: [ODE] Re: Deterministic simulation on multiple clients


> Thats assuming the FPU word has not been messed with (or it has been
> set to a specific state before physics). Even Direct3D likes to change
> its state.
>
> -james
>
>
> On Sun, 20 Mar 2005 22:59:24 +0200, George Birbilis <birbilis at kagi.com>
wrote:
> > >> Also are you sure that even identical hardware won't give you
> > >> different rounding errors?
> > >
> > > Well, I am no expert in hardware, but I think it is quite unlikely
that
> > > rounding is non-deterministic.
> >
> > nope, it should be deterministic if standard IEEE math datatypes like
single
> > and double are used
> >
> > -----
> > George Birbilis (birbilis at kagi.com)
> > Microsoft Most Valuable Professional
> > MVP J# for 2004 & 2005
> > http://www.kagi.com/birbilis
> > --------------
> >
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