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"Ron Parker" <ron### [at] povray org> wrote in message
news:slr### [at] fwi com...
> On Tue, 10 Apr 2001 15:57:09 +0100, Scott Hill wrote:
> > A systems floating point numbers may well be 64-bit, but POVs
aren't -
> >not under Windows, anyhow - take a look at the source - it uses nothing
but
> >32-bit floats, which according to the MSDN, gives 6-7 sig. digits and a
>
> I suspect you need to look at the source again. Most important stuff is
> declared as DBL, which is a typedef for double. On x86en, that's 64 bits.
> The only things I can think of that are floats are color components, which
> don't need 64 bits of resolution anyway.
>
Well, as I don't have a copy of the source handy I'll have to take your
word for it. However, I'm sure when I looked at the source (to self : or was
it the MegaPOV source ?) everything used SNGL - I remember because I started
going through changing everything to DBL. My memory could be in error, but
if it is, I've got no idea what is I could be miss-remembering.
Odd.
--
Scott Hill
Software Engineer.
NC Graphics (Cambridge) Ltd.
Web : http://www.ncgraphics.co.uk
E-mail : sco### [at] ncgraphics net
ICQ : 110661991
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