July 2002
Intermediate to advanced
320 pages
8h 15m
English
Content preview from Hacker's Delight
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9-1. Preliminaries
This chapter and the following one give a number of tricks and algorithms involving “computer division” of integers. In mathematical formulas we use the expression x/y to denote ordinary rational division, x ÷ y to denote signed computer division of integers (truncating toward 0), and
to denote unsigned computer division of integers. Within C code, x/y of course denotes computer division, unsigned if either operand is unsigned, and signed if both operands are signed.
Division is a complex process, and the algorithms involving it are often not very elegant. It is even a matter of judgment as to just how signed integer division ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.