#19299: product of elements of a cartesian products is very slow
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       Reporter:         |        Owner:
  vdelecroix             |       Status:  needs_review
           Type:         |    Milestone:  sage-6.9
  enhancement            |   Resolution:
       Priority:  major  |    Merged in:
      Component:         |    Reviewers:
  algebra                |  Work issues:
       Keywords:         |       Commit:
        Authors:         |  a0b8757523c91c8d8c7cea296930743a3b263585
  Vincent Delecroix      |     Stopgaps:
Report Upstream:  N/A    |
         Branch:         |
  u/ncohen/19299         |
   Dependencies:         |
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Changes (by vdelecroix):

 * commit:  1b271285ac389d31d9603e227e40da6fe3f45d3e =>
     a0b8757523c91c8d8c7cea296930743a3b263585
 * branch:  public/19299 => u/ncohen/19299


Comment:

 I do prefer your version!

 An index attribute might be useful for the method
 `OperationTable.__getitem__`. But as it is not used intensively for
 building the table I did not touched it.

 Vincent
 ----
 New commits:
 
||[http://git.sagemath.org/sage.git/commit/?id=a0b8757523c91c8d8c7cea296930743a3b263585
 a0b8757]||{{{trac #19299: Code rephrase}}}||

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Ticket URL: <http://trac.sagemath.org/ticket/19299#comment:10>
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