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Topic: Mike Cowlishaw


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  Mike Cowlishaw - Definition, explanation
Mike Cowlishaw is an IBM Fellow based at IBM UK’s Warwick location, a Visiting Professor at the Department of Computer Science at the University of Warwick, and an elected Fellow of the Royal Academy of Engineering (roughly the equivalent of the NAE in the USA).
Cowlishaw joined IBM in 1974 as an electronic engineer but is best known as a programmer.
He is known for designing and implementing the REXX and NetRexx programming languages, and for his work on color perception, the LEXX editor for the Oxford English Dictionary, electronic publishing, PMGlobe, the IBM Jargon file (IBMJARG), Java-related languages, and decimal arithmetic.
www.calsky.com /lexikon/en/txt/m/mi/mike_cowlishaw.php   (265 words)

  
  alphaWorks : BigDecimal : Overview
Mike Cowlishaw was named an IBM Fellow in 1990, which allows him to work on projects of his own choosing.
Cowlishaw is the author of the Standard Decimal Arithmetic specifications, and he is the Specification Lead for decimal arithmetic enhancements in Java.
Cowlishaw was a founding member of the IBM Academy of Technology in 1989; he was elected to its Technology Council from 1989 to 1993 and again from 1997 to 2000.
www.alphaworks.ibm.com /tech/bigdecimal   (205 words)

  
 IEEE 754R committee minutes from May 23, 2002   (Site not responding. Last check: )
Mike Cowlishaw and Eric Schwarz testified that the current approach is to simply convert the representation to BCD for arithmetic.
Cowlishaw responded that there is a proposal circulating around IBM to increase the number of coefficient digits by one: 9 bits exponent + 16 digits significand (54 bits) for the eight byte encoding, and 16 bits exponent + 34 digits significand (114 bits) for the sixteen byte encoding.
Cowlishaw replied that the answer depends on this history of the language, but for C-based languages, where floating-point constants are historically binary, that should remain the default.
www.cs.berkeley.edu /~ejr/projects/754/meeting-minutes/02-05-23.html   (3729 words)

  
 Mike Cowlishaw - Wikipedia, the free encyclopedia
Mike Cowlishaw is an IBM Fellow based at IBM UK’s Warwick location, a Visiting Professor at the Department of Computer Science at the University of Warwick, and an elected Fellow of the Royal Academy of Engineering (roughly the equivalent of the NAE in the USA).
Cowlishaw joined IBM in 1974 as an electronic engineer but is best known as a programmer and writer.
In 2002, he published a refinement of Chen-Ho encoding known as Densely Packed Decimal encoding in IEE Proceedings -- Computers and Digital Techniques.
en.wikipedia.org /wiki/Mike_Cowlishaw   (223 words)

  
 Stak - Arithmetic
Mike has a Decimal Arithmetic FAQ explaining the advantages of decimal arithmetic and why it is unnormalized.
Mike Cowlishaw has defined a large number of testcases, of which my implementation passes 16015, fails 38 and skips 19466.
Stak does not follow the encoding described on Mike Cowlishaw's website and in the IEEE 754R draft (a kind of Huffman-compressed BCD), but uses a simpler format where the coefficient is an 50-bit unsigned binary number and the exponent is a 10 bit signed two's complement number.
home.tiscali.dk /gdegnbol/stak/arithmetic.html   (497 words)

  
 IEEE 754R committee minutes from March 21, 2002   (Site not responding. Last check: )
Mike Cowlishaw replied that this is primarily a format proposal, and, with a few discrepancies that he thinks can be worked out, the proposal is compatible with 854.
Cowlishaw responded that the plan was to initially concentrate on formats, and deal with recommendations guiding choice of precision later.
Cowlishaw stated that IBM will not come out with hardware without at least some initial feedback from the committee.
www.cs.berkeley.edu /~ejr/projects/754/meeting-minutes/02-03-21.html   (3085 words)

  
 IEEE 754R committee notes from November 17-18, 2004   (Site not responding. Last check: )
Mike Cowlishaw, Jim Thomas, Neil Toda, and Dan Zuras attended.
Mike brought up the issue of the possibility of something like (float)min(x,y) where x and y are doubles.
Mike changed the paragraph he was supposed to on page 70.
grouper.ieee.org /groups/754/meeting-minutes/04-11-17.html   (476 words)

  
 Development History of the GoHTTP System   (Site not responding. Last check: )
Mike Cowlishaw, IBM UK, wrote the fine OS/2 gopher server package known as GoServe, which has been released to the public by IBM as Employee Written Software.
The GoServe version 2.00 package was released with a zip archive called GoHTTP.zip, which contains a REXX filter that Mike Cowlishaw has rewritten to provide a very basic level of HTTP/1.0 support.
Recently, I've taken Mike's new sample script, modified several of his procedures to perform better, and added the imagemap functionality from my original GoHTTP filter script.
w3.aces.uiuc.edu /DLM/GoHTTP/Development.html   (376 words)

  
 Oxford University Cave Club in Spain
Mike Cowlishaw, a veteran of the Birmingham University Speleological Society 1973 expedition to the Picos was recruited together with selection of members of the O.U. Rambling Club - the latter all without any previous speleological experience!
Mike Weeks and Bill Collis revisited the cave in 1973 as part of the Birmingham USS expedition in an attempt to free dive the sump.
Mike and Steve had arrived there at 7 pm and it was now 9:30.
www.oucc.org.uk /expeditions/report1975_76/report1975_76.htm   (4150 words)

  
 [No title]
Mike Cowlishaw also referred us to the gopher at index.almaden.ibm.com, which is a source for the REXX CPS ("clauses per second") standard used in measuring REXX implementations.
Perhaps the most amusing reminiscence of that evening was Simon Nash's story of having lunch with Mike in the cafeteria and telling him that he wasn't sure the world was ready for this new language Mike was thinking of writing.
One of the stars of the evening was Ray Mansell, whom Mike believes to be the first person to have written a REXX program.
www.lightlink.com /rexxla/Symposium/1994/report.txt   (3090 words)

  
 Charles Babbage Institute: RESEARCH PROGRAM> Current research   (Site not responding. Last check: )
Mike Cowlishaw of International Business Machine’s UK Development Laboratory at Hursley Park initiated development of REXX as a personal project in March 1979.
Because the language was not in general circulation, Cowlishaw modified the language several times.
Cowlishaw has argued that many of the most valuable suggestions for changes came in emails from employees over Vnet (qv), IBM’s electronic communications network (qv).
special.lib.umn.edu /cbi/shp/entries/rexx.html   (327 words)

  
 Colorado Software Summit 2004 – Mike Cowlishaw
Mike Cowlishaw, IBM Hursley Labs, UK Using the Java 5.0 BigDecimal Class
Most numerical data in commercial and human-centric applications are decimal, and decimal floating-point arithmetic has become increasingly important in recent years as these applications become ever more complex.
Mike Cowlishaw has worked in both hardware and software design and is the leader of the IBM decimal arithmetic initiative and author of the Java 5.0 BigDecimal changes.
www.softwaresummit.com /2004/speakers/cowlishaw.htm   (314 words)

  
 Overview of The 2000 Rexx Symposium   (Site not responding. Last check: )
We think of Mike Cowlishaw as the inventor of Rexx but that is only a part of the picture.
So when Mike tells the Symposium attendees about what may be coming, like hardware for floating point decimal arithmetic, it is not crystal gazing, it is information on what is really happening.
Mike still finds time for Rexx, now in the NetRexx form.
www.lightlink.com /rexxla/Symposium/2000/report.html   (944 words)

  
 Minnits - 15th February 2001
The Antichris has obtained contact details for one Mike Cowlishaw (sp?) in DCS, who apparently has somethingorother to do with IBM.
Mike (Squire, not Cowlishaw) to talk to Mike (Cowlishaw, not Squire), since he at least sort of knows him.
Fish to burn several (4) CS1.0 CDs for those members who want to game on the 'net at gaming sessions, and Jake 'Still too cool to have a silly nickname' Staines to bring 7.1 CD to reinstall sometime over the weekend.
www.warwickcompsoc.co.uk /society/minutes/20010215   (825 words)

  
 REXX - Wikipedia, the free encyclopedia   (Site not responding. Last check: )
REXX syntax looks similar to PL/I, but has fewer notations; this makes it harder to parse (by program) but easier to use.
REXX was designed and first implemented as an ‘own-time’ project between 1979 and 1982 by Mike Cowlishaw of IBM, originally as a scripting programming language to replace the languages EXEC and EXEC 2.
In plain text, Cowlishaw seems to prefer Rexx, whereas IBM documents and the majority of the web uses REXX.
www.encyclopedia-online.info /REXX   (818 words)

  
 The REXX language
In 1994 I was at IBM's Hursley Labs (near Winchester, England) and I didn't stop to greet Mike Cowlishaw and I still am kicking myself.
REXX was designed by Mike Cowlishaw, before any implementation took place, with cooperation of colleagues on IBM's internal network, VNET.
Mike Cowlishaw was named an IBM fellow, which means that he can undertake activities of his own choosing.
www.xs4all.nl /~rvjansen/rexx2.html   (1269 words)

  
 Eiffel Decimal Arithmetic - EDA Library
Thanks to the excellent specification work of Mike Cowlishaw, IBM Fellow, it is now possible to develop a standards-compliant decimal arithmetic library.
EDA is an Eiffel implementation of the "General Decimal Arithmetic Specification" (GDAS, in the rest of this text) version 1.08 (see References, 1).
Special thanks to Mike Cowlishaw for his work on decimal arithmetic and for the help he provided, answering promptly to many questions.
www.gobosoft.com /eiffel/gobo/math/decimal   (1225 words)

  
 Decimal floating-point class
Mike Cowlishaw's decNumber C Library, written in C++.
It is currently in an early design stage (just a first try, the design is far from perfect, it is incomplete and notations are sometimes inconsistent).
The function DecimalFloat_Testcases("d:\\cpp.boo\\decnumber\\decnumberclass\\decTest\\") in my test program test_rk reads all the testcases from Mikes decTest files and logs each testcase in a file (bcb files were created with Borland C++Builder 6, gcc with MinGW g++, and msc with MS Visual Studio.Net 2003).
www.rkaiser.de /rkaiser/DecFPClass/DecFPClass.html   (189 words)

  
 [No title]
FCD comment U.S. US public review comment J4/01-0281/1 The following is the text of FCD comment U.S. Pages 123 and 124, 8.8.1.3.1, Standard Intermediate data item, and 8.8.1.3.1.2, Normalized values: The specification should normalize to 1 digit to the left of the decimal point.
Although the form of normalization is not directly exposed in COBOL now, except in range of values, it is possible that its form could be exposed in the future.
To help J4 better understand the issues, I requested further rationale from Mike Cowlishaw, an IBM Fellow with IBM UK.
www.ncits.org /tc_home/j4htm/m234/01-0665.doc   (506 words)

  
 REXX - TunesWiki
A programming language, by Mike Cowlishaw, that has had some success as a scripting language and/or glue for various functionality among OS/2 and Amiga users.
The language uses the classic syntax and semantics of Algol's family and PL/I, plus some interesting features, such as arbitrary precision platform-independent arithmetics, an original yet unified treatment of arrays and user defined structures, powerful mechanisms to deal with exceptions, and the possibility of dynamically modify the code that is being executed.
"Mike Cowlishaw" home page at "IBM Hursley Laboratories WWW2 server".
tunes.org /wiki/REXX?source   (170 words)

  
 Rexx - the practical programming language | The Register
REXX was first developed by Mike between 1979-82 at IBM Hursley in the UK and the T. Watson Research Centre in the USA.
Back when I first met REXX, you could even chat with Mike on the UK-based CIX conferencing system (another legacy that is still useful).
As he says (in “The REXX Language, a practical approach to programming”, M.F. Cowlishaw, Prentice Hall, ISBN 0-13-779067-8, which unfortunately seems to be out of print - the Rexx Programmer's Reference by Howard Fosdick is a possible alternative): "The language user is usually right...
www.regdeveloper.co.uk /2006/01/23/ibm_rexx   (652 words)

  
 Dallas Morning News | News for Dallas, Texas | Sports Columnist Tim Cowlishaw   (Site not responding. Last check: )
And Mike Modano for buying into the concept of a "home team" discount that his agent didn't exactly favor.
"Mike Modano has to be the Mike Modano of before, or we won't have success," Armstrong said.
Mike Modano said he turned down more lucrative offers from other teams and wants to retire as a Star.
www.dallasnews.com /sharedcontent/dws/spt/columnists/tcowlishaw/stories/080405dnspocowlishaw.1824a20b.html   (1870 words)

  
 Voice Newsletter 08/1999 - OS/2 Feature Page 1   (Site not responding. Last check: )
A hardy congratulations and well done to Mike Kaply, Jeffrey Kobal and all the silent guys on the Communicator/2 team.
Speaking of congratulations, the creator of REXX, and a true friend of OS/2, "Mike Cowlishaw was elected a Fellow of the Royal Academy of Engineering.
Mike was a guest at a VOICE speakup not long ago on his favorite subject REXX, http://www.os2voice.org/logs/V013099.LOG.html
de.os2voice.org /VNL/past_issues/VNL0899H/vnewsf1.htm   (1083 words)

  
 [No title]   (Site not responding. Last check: )
If there is any trick to this at all it is remembering to truncate any intermediate results (though I did have a lot of fun with conversions from H.MS to decimal hours which required quite a bit of type coercion as well).
in response to message #1 by Mike T. Hi, i have already visual studio 6.0 installed but when i run the emulator, it start well but as soon i push a number on the keyboard, i got "Run time error 13" and the program close.
Mike T. PS If you want to use the simulator it should work if change your regional settings...
www.hpmuseum.org /cgi-sys/cgiwrap/hpmuseum/archv014.cgi?read=71742   (1724 words)

  
 Abstracts - 10th International Rexx Symposium, 3-5 May 1999
The Symposium program provides a focal point for information about Rexx and a venue for technical interchange among members of the Rexx community.
Therefore it may make sense to teach OO-concepts to MBA students by the means of exercises using an object-oriented programming language.
Object Rexx was chosen because of its simple syntax which draws from Mike F. Cowlishaw's original work on procedural Rexx, while at the same time implementing a very powerful OO-model.
wwwi.wu-wien.ac.at /rgf/rexx/orx10/rx99abstr.html   (3208 words)

  
 VOICE - Rexx SpeakUp from 01/30/99   (Site not responding. Last check: )
Rexx SpeakUp with Mike Cowlishaw (the "Father of REXX"), Dirk Terrell (Falcon Networking), Wayne Swanson (PillarSoft), and Chip Davis (President of the REXX Language Association) from 01/30/99
We'd like to thank Dirk, Chip and Mike today for their participation and hope most of your questions were answered.
A special thank you goes out to Mike Cowlishaw for taking the time to get set up with irc just to be here with us.
de.os2voice.org /logs/V013099.LOG.html   (4741 words)

  
 HTTP-wg Archive: Re: Reading Request Object Data   (Site not responding. Last check: )
In reply to: Mike Cowlishaw: "Reading Request Object Data"
Next in thread: Mike Cowlishaw: "Re: Reading Request Object Data"
Mike Cowlishaw writes: > However, you really haven't answered my questions for today that would > enable me to implement a server from the HTTP 1.0 specification.
www.hpl.hp.com /personal/ange/archives/archives-95/http-wg-archive/0086.html   (372 words)

  
 HTTPD systems for OS/2
Mike Cowlishaw wrote this PM-based gopher server which can support basic HTTP/1.0 protocols.
Mike Cowlishaw and I are working on this -- his machines are stable, only one of mine still traps with v2.47.
For more information, try Mike Cowlishaw's GoServe Home Page.
w3.ag.uiuc.edu /DLM/HTTPDforOS2.HTML   (2197 words)

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