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Author Reynolds, John C.
Source ACM Digital Library
Content type Text
Publisher Association for Computing Machinery (ACM)
File Format PDF
Language English
Subject Domain (in DDC) Computer science, information & general works ♦ Computer programming, programs & data
Abstract The use of complete and precise assertions, developed by Floyd and Hoare, is a powerful method for avoiding programming errors. For nontrivial programs, however, such assertions become extremely tedious when written in first-order predicate calculus.In the case of array-manipulating programs, this tedium can be alleviated by several notational and conceptual devices: (1) partition diagrams, which relate intervals of subscript values; (2) pointwise extension, which reduces the need for explicit quantification; and (3) a hierarchy of useful equivalence relations among array values.The effectiveness of these ideas is illustrated by programs for binary search and for merging.
Description Affiliation: Syracuse University, Syracuse, New York (Reynolds, John C.)
Age Range 18 to 22 years ♦ above 22 year
Educational Use Research
Education Level UG and PG
Learning Resource Type Article
Publisher Date 1983-05-01
Publisher Place New York
Journal ACM SIGPLAN Notices (SIGP)
Volume Number 15
Issue Number 1
Page Count 1
Starting Page 23
Ending Page 23

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Source: ACM Digital Library