#20036: Add the grand antiprism to polytopes
-------------------------------------+-------------------------------------
       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:
-------------------------------------+-------------------------------------
Changes (by ncohen):

 * reviewer:   => Nathann Cohen


Comment:

 Helloooooooo !

 Looks good.

 Could you add a link toward the wikipedia page (using the `:wikipedia:`
 role), which provides a longer description of this polytope?

 Could you also add a reference toward the place where you obtained the
 coordinates of the vertices?

 In all other constructors of the file, it seems that 'exact=True' is the
 default. Here, building the polytope on an exact ring takes around 11s on
 my computer. Vincent, what do you think? Break the 'exact=True' standard
 or make it slow by default, and fast upon request?

 Finally, it's probably a question of style but you could first import
 'product' from itertools, then only call 'product'. But well, that's
 style, do whatever you prefer.

 Thanks,

 Nathann

--
Ticket URL: <http://trac.sagemath.org/ticket/20036#comment:3>
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