#17898: Removal of wrong stopgap
-------------------------------------+-------------------------------------
       Reporter:  aschilling         |        Owner:
           Type:  defect             |       Status:  needs_work
       Priority:  major              |    Milestone:  sage-6.6
      Component:  combinatorics      |   Resolution:
       Keywords:  stopgap,           |    Merged in:
  partitions                         |    Reviewers:  Travis Scrimshaw
        Authors:  Anne Schilling     |  Work issues:
Report Upstream:  N/A                |       Commit:
         Branch:                     |  39142901893bc0207e8271ccd4772469fe958e0f
  public/ticket/17898                |     Stopgaps:
   Dependencies:                     |
-------------------------------------+-------------------------------------
Changes (by ncohen):

 * status:  positive_review => needs_work


Comment:

 Hello Travis,

 > Bad input is not a bug. Ever.

 When we are not able to write a piece of code that checks whether the
 input is bad, I believe that it is a bug.

 > If you feel that something needs better documentation [...]

 I do not. I believe that the wrong results that this function returns are
 dangerous, and that the users should be warned.

 I also proposed that you would only change this code to display the
 warning in situations that have been checked for correction, and I would
 like to know why this does not satisfy you.

 > Also that first example is correct; it's subtle because of the trailing
 0's, but it is correct.

 It is an unexpected output. This example is not, however, the only one I
 provided. Perhaps you will accept the other lines as legit bugs?

 > You speak of unhealthy amount of stuff into 1 class, but IIRC you've
 also said that (`Di`)`Graph` needs to be one class. If you have a problem
 with this class, then fix it instead of saying nothing works (which is
 completely false).

 This is totally unrelated, but since you ask I highly doubt that I ever
 suggested that. Indeed, this is the purpose of `GenericGraph`.

 I will write to sage-devel in a second to ask for everybody's advice on
 this matter. Please, wait for this discussion to take place before setting
 this ticket back to `positive_review`.

 Nathann

--
Ticket URL: <http://trac.sagemath.org/ticket/17898#comment:5>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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