A correctness proof of sorting by means of formal procedures

M.M. Fokkinga

doi:10.1016/0167-6423(87)90009-8

A correctness proof of sorting by means of formal procedures

M.M. Fokkinga

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Abstract

We consider a recursive sorting algorithm in which, in each invocation, a new variable and a new procedure (using the variable globally) are defined and the procedure is passed to recursive calls. This algorithm is proved correct with Hoare-style pre- and postassertions. We also discuss the same algorithm expressed as a functional program.

Original language	Undefined
Article number	10.1016/0167-6423(87)90009-8
Pages (from-to)	263-269
Number of pages	7
Journal	Science of computer programming
Volume	9
Issue number	3
DOIs	https://doi.org/10.1016/0167-6423(87)90009-8
Publication status	Published - Dec 1987

Keywords

IR-66237
EWI-6293

Access to Document

10.1016/0167-6423(87)90009-8

Cite this

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title = "A correctness proof of sorting by means of formal procedures",

abstract = "We consider a recursive sorting algorithm in which, in each invocation, a new variable and a new procedure (using the variable globally) are defined and the procedure is passed to recursive calls. This algorithm is proved correct with Hoare-style pre- and postassertions. We also discuss the same algorithm expressed as a functional program.",

keywords = "IR-66237, EWI-6293",

author = "M.M. Fokkinga",

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year = "1987",

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doi = "10.1016/0167-6423(87)90009-8",

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AB - We consider a recursive sorting algorithm in which, in each invocation, a new variable and a new procedure (using the variable globally) are defined and the procedure is passed to recursive calls. This algorithm is proved correct with Hoare-style pre- and postassertions. We also discuss the same algorithm expressed as a functional program.

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U2 - 10.1016/0167-6423(87)90009-8

DO - 10.1016/0167-6423(87)90009-8

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