October 2004
Intermediate to advanced
336 pages
6h 27m
English
Content preview from Find the Bug A Book of Incorrect ProgramsBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 1. Bug Classification
This chapter covers the classification of bugs used in this book. It is based on a classification done by the computer scientist Donald Knuth. Each bug type is identified with the notation C.subcategory, where C is the initial of one of the main categories (A, D, F, or B) and subcategory is a descriptive name.
More details and explanations of these classifications can be found in Appendix A, “Classification of Bugs.” Types of bugs marked with an [*] do not appear in any of the examples.
A–Algorithm. The algorithm that the programmer designed is incorrect.
A.off-by-one. The program makes a calculation that is off by one.
A.logic. The algorithm has a logical flaw.
A.validation. Variables are not properly checked to ensure ...
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