#15910: Fix doctest in root_systems/coxeter_group.py when coxeter3 is install
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Reporter: tscrim | Owner: tscrim
Type: defect | Status: new
Priority: critical | Milestone: sage-6.2
Component: packages: optional | Resolution:
Keywords: | Merged in:
Authors: Travis Scrimshaw | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
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Description changed by aschilling:
Old description:
> Because the default behavior of `CoxeterGroup` is different when coxeter3
> is installed and when it is not.
>
> More precisely, with coxeter3 installed the following doctest failure
> happens:
> {{{sage -t coxeter_group.py
> **********************************************************************
> File "coxeter_group.py", line 69, in
> sage.combinat.root_system.coxeter_group.CoxeterGroup
> Failed example:
> W
> Expected:
> Coxeter group over Universal Cyclotomic Field with Coxeter matrix:
> [1 3 2]
> [3 1 5]
> [2 5 1]
> Got:
> Permutation Group with generators
> [(2,6)(3,18)(4,8)(5,9)(7,10)(11,12)(13,14)(17,21)(19,23)(20,24)(22,25)(26,27)(28,29),
> (1,4)(2,17)(3,6)(5,7)(9,11)(10,12)(14,15)(16,19)(18,21)(20,22)(24,26)(25,27)(29,30),
> (1,16)(2,5)(4,7)(6,9)(8,10)(11,13)(12,14)(17,20)(19,22)(21,24)(23,25)(26,28)(27,29)]
> }}}
New description:
Because the default behavior of `CoxeterGroup` is different when coxeter3
is installed and when it is not.
More precisely, with coxeter3 installed the following doctest failure
happens
{{{
sage -t coxeter_group.py
**********************************************************************
File "coxeter_group.py", line 69, in
sage.combinat.root_system.coxeter_group.CoxeterGroup
Failed example:
W
Expected:
Coxeter group over Universal Cyclotomic Field with Coxeter matrix:
[1 3 2]
[3 1 5]
[2 5 1]
Got:
Permutation Group with generators
[(2,6)(3,18)(4,8)(5,9)(7,10)(11,12)(13,14)(17,21)(19,23)(20,24)(22,25)(26,27)(28,29),
(1,4)(2,17)(3,6)(5,7)(9,11)(10,12)(14,15)(16,19)(18,21)(20,22)(24,26)(25,27)(29,30),
(1,16)(2,5)(4,7)(6,9)(8,10)(11,13)(12,14)(17,20)(19,22)(21,24)(23,25)(26,28)(27,29)]
}}}
--
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Ticket URL: <http://trac.sagemath.org/ticket/15910#comment:2>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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