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Mike Cowlishaw

From Wikipedia, the free encyclopedia

Michael Frederic Cowlishaw
Born
Bath, England
NationalityBritish
Alma materUniversity of Birmingham
Known forRexx, editors (STET, LEXX), Decimal arithmetic, DPD
AwardsFReng, FIET, FBCS
Scientific career
FieldsComputer science
InstitutionsUniversity of Warwick

Mike Cowlishaw is a visiting professor at the Department of Computer Science at the University of Warwick, and a Fellow of the Royal Academy of Engineering.[1] He is a retired IBM Fellow, and was a Fellow of the Institute of Engineering and Technology, and the British Computer Society. He was educated at Monkton Combe School and the University of Birmingham.

Career at IBM

Cowlishaw joined IBM in 1974 as an electronic engineer but is best known as a programmer and writer. He is known for designing and implementing the Rexx programming language (1984),[2][3] his work on colour perception and image processing that led to the formation of JPEG (1985),[4] the STET folding editor (1977), the LEXX live parsing editor with colour highlighting for the Oxford English Dictionary (1985),[5] electronic publishing, SGML applications, the IBM Jargon File IBMJARG (1990),[6] a programmable OS/2 world globe PMGlobe (1993),[7] MemoWiki based on his GoServe Gopher/http server,[8] and the Java-related NetRexx programming language (1997).

He has contributed to various computing standards, including ISO (SGML, COBOL, C, C++), BSI (SGML, C), ANSI (REXX), IETF (HTTP 1.0/RFC 1945), W3C (XML Schema), ECMA (JavaScript/ECMAScript, C#, CLI), and IEEE (754 decimal floating-point). He retired from IBM in March 2010.

Decimal arithmetic

Cowlishaw has worked on aspects of decimal arithmetic; his proposal for an improved Java BigDecimal class (JSR 13) is now included in Java 5.0, and in 2002, he invented a refinement of Chen–Ho encoding known as densely packed decimal encoding. Cowlishaw's decimal arithmetic specification formed the proposal for the decimal parts of the IEEE 754 standard, as well as being followed by many implementations, such as Python and SAP NetWeaver. His decNumber decimal package is also available as open source under several licenses and is now part of GCC, and his proposals for decimal hardware have been adopted by IBM and others. They are integrated into the IBM POWER6 and IBM System z10 processor cores, and in numerous IBM software products such as DB2, TPF (in Sabre), WebSphere MQ, operating systems, and C and PL/I compilers.[9]

Other activities

Cowlishaw wrote an emulator for the Acorn System 1, and collected related documentation.[10] Outside computing, he caved in the UK, New England, Spain,[11] and Mexico [12] and continues to cave and hike in Spain. He is a life member of the National Speleological Society (NSS), wrote articles in the 1970s and 1980s on battery technology and on the shock strength of caving ropes, and designed LED-based caving lamps.[13] His current programming projects include MapGazer.[14] and PanGazer[15]

Publications (primary author)

  • The NetRexx Language, Cowlishaw, Michael F., ISBN 0-13-806332-X, Prentice-Hall, 1997
  • The REXX Language, Cowlishaw, Michael F., in English: ISBN 0-13-780651-5, (second edition) 1990; in German: ISBN 3-446-15195-8, Carl Hanser Verlag, 1988; in Japanese: ISBN 4-7649-0136-6, Kindai-kagaku-sha, 1988
  • Decimal Floating-Point: Algorism for Computers at the Wayback Machine (archived 2003-11-16), Cowlishaw, Michael F., Proceedings 16th IEEE Symposium on Computer Arithmetic (ARITH 16), ISBN 0-7695-1894-X, pp. 104–111, IEEE Comp. Society, June 2003
  • Densely Packed Decimal Encoding, Cowlishaw, Michael F., (Summary.) IEE Proceedings – Computers and Digital Techniques ISSN 1350-2387, Vol. 149, No. 3, pp. 102–104, IEE, May 2002
  • A Decimal Floating-Point Specification, Cowlishaw, Schwarz, Smith, and Webb, Proceedings 15th IEEE Symposium on Computer Arithmetic (Arith15), ISBN 0-7695-1150-3, pp. 147–154, IEEE Comp. Society, June 2001
  • NetRexx – an alternative for writing Java classes at the Wayback Machine (archived 2004-06-02), Cowlishaw, Michael F., Proceedings of IEEE CompCon 97, ISBN 0-8186-7804-6, pp. 200–205, IEEE Press, Los Alamitos, Spring 1997
  • The Early History of REXX, Cowlishaw, Michael F., IEEE Annals of the History of Computing, ISSN 1058-6180, Vol. 16, No. 4, Winter 1994, pp. 15–24
  • A large-scale computer conferencing system, Chess and Cowlishaw, IBM Systems Journal, Vol. 26, No. 1, 1987, IBM Reprint order number G321-5291
  • LEXX – A programmable structured editor, Cowlishaw, Michael F., IBM Journal of Research and Development, Vol. 31, No. 1, 1987, IBM Reprint order number G322-0151
  • Fundamental requirements for picture presentation, Cowlishaw, Michael F., Proceedings Society for Information Display, Volume 26, No. 2 (1985)
  • The design of the REXX language, Cowlishaw, Michael F., IBM Systems Journal, Volume 23, No. 4, 1984, IBM Reprint order number G321-5228
  • The Characteristics and Use of Lead-Acid Cap Lamps, Cowlishaw, Michael F. (Speleogroup), Transactions British Cave Research Association, Volume 1, No. 4, pp. 199–214, December 1974

References

  1. ^ "List of Fellows - Royal Academy of Engineering". Archived from the original on 4 May 2018. Retrieved 3 May 2018.
  2. ^ Cowlishaw, Michael F. (1984). "The design of the REXX language" (PDF). IBM Systems Journal (PDF). 23 (4): 326–335. doi:10.1147/sj.234.0326. Retrieved 23 January 2014.
  3. ^ "The Man Behind REXX: z/Journal Visits IBM Fellow Mike Cowlishaw". Archived from the original on 5 May 2016. Retrieved 29 April 2016.
  4. ^ Cowlishaw, Michael F. (1985). "Fundamental requirements for picture presentation" (PDF). SID, vol. 26 no. 2. Proceedings of the Society for Information Display. Retrieved 19 April 2015.
  5. ^ Elliott, Jim (6 October 2003). "Description of LEXX". IBM VMARC v-943K. Retrieved 15 April 2015.
  6. ^ Cowlishaw, Michael F. (May 1990). "IBM Jargon and General Computing Dictionary Tenth Edition" (PDF). IBMJARG. Retrieved 15 April 2015.
  7. ^ Leung, Isaac (16 May 2004). "OS/2 eZine Quickies..." OS/2 ezine. Retrieved 15 April 2015.
  8. ^ Cowlishaw, Michael F. "MemoWiki". Retrieved 19 April 2015.
  9. ^ Cowlishaw, Michael F. (2015) [1981, 2008]. "General Decimal Arithmetic". Retrieved 2 January 2016.
  10. ^ Cowlishaw, Michael F. (2001). "The Acorn 6502 Microcomputer Kit". Retrieved 19 April 2015.
  11. ^ "SpeleoGroup". Web pages.
  12. ^ "SpeleoGroup Mexico expedition". Expedition log. 29 January 1979.
  13. ^ "Mike Cowlishaw". Personal web page. 13 March 2015.
  14. ^ "MapGazer - Introduction".
  15. ^ "PanGazer - introduction".
This page was last edited on 25 January 2024, at 18:49
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