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Text File  |  1993-01-28  |  1.0 KB  |  35 lines
  1. Newsgroups: comp.parallel
  2. Path: sparky!uunet!digex.com!intercon!udel!gatech!hubcap!fpst
  3. From: apofort!metcalf@dxmint.cern.ch (Michael Metcalf )
  4. Subject: Re: Wanted: Folk Theormes in Fortran Programming
  5. Message-ID: <1993Jan27.173926.1440@hubcap.clemson.edu>
  6. Apparently-To: comp-parallel
  7. Sender: news@dxcern.cern.ch (USENET News System)
  8. Organization: CERN European Lab for Particle Physics
  9. References: <1993Jan27.123645.8334@hubcap.clemson.edu>
  10. Date: Wed, 27 Jan 1993 14:41:06 GMT
  11. Approved: parallel@hubcap.clemson.edu
  12. Lines: 21
  13.  
  14. steve@hubcap.clemson.edu ("Steve" Stevenson) writes:
  15.  
  16. >I am trying to make a catalog of folk wisdom in fortran programming. I already
  17. >have a some theorems.  For example:
  18. >        BAD           GOOD
  19. >x = y/2.0          x=y*0.5
  20. >a**5               (a*a)*(a*a)*a
  21. >2.0*x              x+x
  22.  
  23. >I would appreciate any such words of wisdom you might have.
  24.  
  25.  
  26. I collected such wisdom some time ago and published
  27. it as "FORTRAN Optimization", Academic Press, 1985,
  28. ISBN 0-12-492482.4.
  29.  
  30.    Hope this helps,
  31.  
  32.                   Mike Metcalf
  33.  
  34.  
  35.