Floating point/math support implementation
Carsten Haitzler (The Rasterman)
raster at rasterman.com
Wed Sep 17 13:50:49 CEST 2008
On Wed, 17 Sep 2008 12:29:27 +0300 Kostis Anagnostopoulos <ankostis at gmail.com>
> On Wed 17 Sep 2008 00:57:15 Carsten Haitzler wrote:
> > On Tue, 16 Sep 2008 23:17:52 +0200 "Anton Persson" <don.juanton at gmail.com>
> > babbled:
> > > Hi,
> > >
> > > I have a few questions about the math support. I've noticed that
> > > math functions such as sin() are very slow on the OpenMoko. How
> > > is the math support implemented? Are all floating point operations
> > > implemented in software, or is there hardware support for float
> > > multiplication, and trigonometric functions?
> > no fpu. so no hardware. software only. avoid floating point math where you
> > can.
> Would it be thinkable to use the OpenRISC processors embedded into Glamo chip?
simple version: no. no specs on how to use it or even if it can do any fp. just
avoid fp math. do it some other way. (MUCH easier than trying to use the
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The Rasterman (Carsten Haitzler) raster at rasterman.com
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