#20036: Add the grand antiprism to polytopes
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       Reporter:  nvcleemp           |        Owner:
           Type:  enhancement        |       Status:  needs_review
       Priority:  major              |    Milestone:  sage-7.1
      Component:  geometry           |   Resolution:
       Keywords:                     |    Merged in:
        Authors:  Nico Van Cleemput  |    Reviewers:  Nathann Cohen
Report Upstream:  N/A                |  Work issues:
         Branch:                     |       Commit:
  u/nvcleemp/add_the_grand_antiprism_to_polytopes|  
d67941e9d3ae4ef6a803f2ce60ff4870bdddb604
   Dependencies:                     |     Stopgaps:
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Comment (by nvcleemp):

 OK, I'll add the links. The coordinates were obtained by combining
 information of one website with the coordinates available for the
 600-cell. The website actually has slightly different coordinates and they
 also have a typo in their coordinates (but I notified them of this, so it
 should be fixed there soon).

 The 'exact=False' was actually copied from the 600-cell with which this
 polytopes shares all of its vertices.

 Also the way product is used is also a copy of the 600-cell. However, I
 had to repeat it several times here, so I guess that there are certainly
 arguments for the import in this case.

--
Ticket URL: <http://trac.sagemath.org/ticket/20036#comment:5>
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