Mail Archives: djgpp/1997/03/04/20:36:54
On 4 Mar 1997, Bryan Murphy wrote:
> I'm curious as to what advantages fixed point arithmatic has
> over floating point in relation to today's Pentiums and Pentium
> pro's. I know traditionally Fixed point has been quicker, but
> is it losing that advantage? Does MMX also promote the use of
> floating point over fixed point? A lot of programs are being
> written using floating point now a days, and I'm curious if I
> should follow.
>
Which brings up another point: wasn't Quake targeted at Pentiums and up?
then why is there a slew of 16.16 fixedpoint code in it? doesn't the
Pentium run FP faster than integer??? (snarl.. this is one of the reasons
I've hit a snag on my Quake-on-SGI-and-SPARC port -- those &*%^^ fixed
point routines are in Intel assembly <ack>)
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