Changes between Initial Version and Version 1 of Ticket #6588


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Timestamp:
02/20/12 17:47:00 (8 years ago)
Author:
nthiery
Comment:

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  • Ticket #6588

    • Property Cc mshimo@… added
    • Property Report Upstream changed from to N/A
    • Property Dependencies changed from to #10963, #10817
    • Property Authors changed from to Nicolas M. Thiéry
  • Ticket #6588 – Description

    initial v1  
    1 Replace the abstract classes in RootSystems (like RootLatticeRealization) by categories.
    21
    3 Use it to implement parabolic sub-rootsystems, and parabolic Weyl subgroups.
     2- RootLatticeRealization and friends are now categories
     3- iterator for any Coxeter group
     4- facade option for weak_poset's of finite coxeter groups
     5- ...
     6
     7Status: the patch is basically good to go. I still want to add coercions from the root lattice to the weight lattice and friends; other than that, the math review can start.
     8
     9Note: the indentation is currently wrong in a couple places (2 spaces instead of 4) in order to make the diff small. I'll fix that indentation for the very final patch.
     10
     11The dependency upon #10963 is trivial, and we could commute the two patches to get this one in quicker.