O'Reilly logo

Jim Blinn's Corner: Notation, Notation, Notation by Jim Blinn

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Chapter Eight

Floating-Point Tricks

July–August 1997

u08-04-9781558608603

“Oh, you work with computers? Gee, I can't even balance my checking account!”

Don't you just love it when some friend comes up with this one? So much of what we do with computers has nothing to do with arithmetic. Word processing, painting, stuff that even mathphobes can appreciate. But in the rendering game there's no substitute for nice juicy numbers. And what kinds of numbers are they?

There are basically two popular numeric types inside a computer, floating point and fixed point (which I have sometimes referred to as scaled integers). In my career of number crunching, I've oscillated back and ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required