Understanding Floating Point Numbers
People learn in different ways, but sometimes the establishment fixates on explaining a concept in one way. If that’s not your way you might be out of luck. If you have trouble internalizing floating point number representations, the Internet is your friend. [Fabian Sanglard] (author of Game Engine Black Book: Wolfenstein 3D) didn’t like the traditional presentation of floating point numbers, so he decided to explain them a different way.
Instead of thinking of an exponent and a mantissa — the traditional terms — [Fabian] calls the exponent as a “window” that determines the range of the number between two …read more
