Book info:Hacker's Delight
By Henry S. Warren,
Addison Wesley Publications
ebook format: CHM
Publisher: Addison-Wesley Professional; 1st edition
Language: English
ISBN: 0201914654
Paperback: 306 pages
Data: July 17, 2002
Description: These are the timesaving techniques relished by computer hackers--those devoted and persistent code developers who seek elegant and efficient ways to build better software. The truth is that much of the computer programmer's job involves a healthy mix of arithmetic and logic. In Hacker's Delight, veteran programmer Hank Warren shares the tricks he has collected from his considerable experience in the worlds of application and system programming. Most of these techniques are eminently practical, but a few are included just because they are interesting and unexpected. The resulting work is an irresistible collection that will help even the most seasoned programmers better their craft.
This is a collection of small programming tricks that author have come across over many years. Most of them will work only on computers that represent integers in two's-complement form. Although a 32-bit machine is assumed when the register length is relevant, most of the tricks are easily adapted to machines with other register sizes. This book does not deal with large tricks such as sophisticated sorting and compiler optimization techniques. Rather, it deals with small tricks that usually involve individual computer words or instructions, such as counting the number of 1-bits in a word. Such tricks often use a mixture of arithmetic and logical instructions.
Download the digital version of this book.
Topics covered include:
* A broad collection of useful programming tricks
* Small algorithms for common tasks
* Power-of-2 boundaries and bounds checking
* Rearranging bits and bytes
* Integer division and division by constants
* Some elementary functions on integers
* Gray code
* Hilbert's space-filling curve
* And even formulas for prime numbers!
This book is for anyone who wants to create efficient code. Hacker's Delight will help you learn to program at a higher level--well beyond what is generally taught in schools and training courses--and will advance you substantially further than is possible through ordinary self-study alone.
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