Building Embedded Systems: Programmable Hardware

© Changyi Gu 2016

Changyi Gu, Building Embedded Systems, 10.1007/978-1-4842-1919-5_12

12. Fixed Point Math

Changyi Gu¹ 

(1)San Diego, California, USA

In rating ease of description as very important, we are essentially asserting a belief in quantitative knowledge—a belief that most of the key questions in our world sooner or later demand answers to ‘by how much?' rather than merely to ‘in which direction?'

—Exploratory Data Analysis, by John Wilder Tukey, 1977

I firmly believe that mathematics should be a big part of engineering. It is because every engineering project has risks associated with it, and knowing how to take calculated risks is what sets an engineer apart from the layman.

So this chapter is dedicated to math, or to be precise, fixed point ...