#15475: Reenable broken doctests in #15473 and #15476 when #10963 is merged
-------------------------------------+-------------------------------------
       Reporter:  darij              |        Owner:
           Type:  defect             |       Status:  needs_review
       Priority:  minor              |    Milestone:  sage-6.3
      Component:  categories         |   Resolution:
       Keywords:  10963,             |    Merged in:
  categories, c3                     |    Reviewers:
        Authors:                     |  Work issues:
Report Upstream:  N/A                |       Commit:
         Branch:                     |  a3c4cf39c3625a311d72bf0c88e9bfbd028d74f3
  public/combinat/15475              |     Stopgaps:
   Dependencies:  #10963, #15473,    |
  #15476                             |
-------------------------------------+-------------------------------------
Changes (by darij):

 * status:  new => needs_review
 * cc: sage-combinat (added)
 * branch:   => public/combinat/15475
 * commit:   => a3c4cf39c3625a311d72bf0c88e9bfbd028d74f3
 * type:  task => defect


Old description:

> Speaking of these ones:
> {{{
>             The following doctest is disabled pending :trac:`10963`::
>
>                 sage: s = SymmetricFunctions(Zmod(14)).s() # not tested
>                 sage: s.is_integral_domain() # not tested
>                 False
> }}}
> and
> {{{
>                     sage: def descent_test(n):
>                     ....:     DA = DescentAlgebra(QQ, n)
>                     ....:     NSym = NonCommutativeSymmetricFunctions(QQ)
>                     ....:     S = NSym.S()
>                     ....:     DAD = DA.D()
>                     ....:     w_n = DAD(set(range(1, n)))
>                     ....:     for I in Compositions(n):
>                     ....:         if not (S[I].star_involution()
>                     ....:                 == w_n *
> S[I].to_descent_algebra(n) * w_n):
>                     ....:             return False
>                     ....:         return True
>                     sage: all( descent_test(i) for i in range(4) ) # not
> tested
>                     True
>                     sage: all( descent_test(i) for i in range(6) ) # not
> tested
>                     True
>
>                 .. TODO::
>
>                     Once :trac:`10963` is in, remove the first "not
> tested" above,
>                     and replace the second one by "long time".
> }}}
> Also, rebase and merge the attached doc fixes to the categories primer.

New description:

 This branch activates two combinat doctests which were disabled due to
 unexplainable bugs that were fixed in #10963:
 {{{
             The following doctest is disabled pending :trac:`10963`::

                 sage: s = SymmetricFunctions(Zmod(14)).s() # not tested
                 sage: s.is_integral_domain() # not tested
                 False
 }}}
 and
 {{{
                     sage: def descent_test(n):
                     ....:     DA = DescentAlgebra(QQ, n)
                     ....:     NSym = NonCommutativeSymmetricFunctions(QQ)
                     ....:     S = NSym.S()
                     ....:     DAD = DA.D()
                     ....:     w_n = DAD(set(range(1, n)))
                     ....:     for I in Compositions(n):
                     ....:         if not (S[I].star_involution()
                     ....:                 == w_n *
 S[I].to_descent_algebra(n) * w_n):
                     ....:             return False
                     ....:         return True
                     sage: all( descent_test(i) for i in range(4) ) # not
 tested
                     True
                     sage: all( descent_test(i) for i in range(6) ) # not
 tested
                     True

                 .. TODO::

                     Once :trac:`10963` is in, remove the first "not
 tested" above,
                     and replace the second one by "long time".
 }}}
 Also, a few typos in the c3_controlled doc are fixed.

 Disregard the attachment.

--

--
Ticket URL: <http://trac.sagemath.org/ticket/15475#comment:6>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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