Fixed point matrix representation considered harmful

Keith Packard keithp at
Wed Mar 19 08:25:39 PDT 2008

On Wed, 2008-03-19 at 16:10 +0100, Joerg Sonnenberger wrote:
> On Tue, Mar 18, 2008 at 08:52:10PM -0700, Keith Packard wrote:
> > I propose that we add the ability to transmit matrices across the wire
> > in floating point form, and that we store them internally in the server
> > in floating point form.
> What guaranties do you want to put on precision for the
> *implementation*? Is the server free to use any floating point data type
> it wants to use?

I think we would let it even continue to use the current fixed point
representation internally. Render doesn't offer precise pixelization
guarantees anymore...

keith.packard at
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