Re: math library
Nfiedler@aol.com
Sat, 29 Mar 1997 12:35:18 -0500 (EST)
If you haven't already, buy "Flights of Fantasy" by Chris Lampton. It is an
excellent introduction to graphics programming and provides a way of doing
the mathematical transformations quickly using 256 word lookup tables and
custom matrix manipulation functions. Of course, the classic is the book by
Foley, et al. of which I forget the title (something simple like "Computer
Graphics"). However, understanding that book can be very difficult as it is
not written for the casual reader.
Nathan
In a message dated 97-03-28 23:58:56 EST, edwdig@bergen.org (Edward Di
Geronimo Jr.) writes:
> I'm confused about the math support. Can we use stuff less than 80 bits? I
> was looking into raycasting, and it needs lookup tables. With 80 bit
numbers
> I'd end up with over 100k of fixed memory. That's not gonna multitask
well.
> I don't need nearly that much precision, 32 bit is fine. Basically, what I
> need is the results of the trig functions put into lookup tables. Can I do
> this in less than 80 bit numbers?