10 NUMBERS AND MATH
Throughout this book, I’ve been saying that FPGAs are good at performing mathematical computations quickly. I’ve also been saying that FPGAs are good at doing tasks in parallel, and that the combination of these two assets—fast math done in parallel—is one of their killer features. In low-level Verilog or VHDL code, however, working with numbers and math is full of pitfalls.
In this chapter, we’ll explore exactly how FPGAs manage mathematical calculations so you can avoid those pitfalls. To understand the details of how operations like addition, subtraction, multiplication, and division work, we also need to understand ...
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