On 10/31/12 12:12 AM, Andrew Mathas wrote: > As a follow-up, since Nicolas suggested that what I was proposing looked more > like options for arbitrary sage objects, so I experimented with adding my > options method to SageObject. Following Anne's > suggestion, I also added a way of printing out the default options. > > Even though SageObject is implemented in cython, from the few quick checks > that I made, my generic options code seemed to well for arbitrary sage > objects. > > Of course, there is a catch: it didn't work quite the way that I wanted it to > because the multiple inheritance issues flagged above do cause problems. > Consider: > > sage: t=Tableau([[1,2,3],[4,5]]);t # create two tableaux > [[1, 2, 3], [4, 5]] > sage: s=Tableau([[1,1,1],[3,5]]); s > [[1, 1, 1], [3, 5]] > > sage: t.options() # with no arguments print all current options and their > defaults > The current options for Tableaux_all_with_category.element_class are: > display = str (default str) > sage: t.options(display="compact") # change the display option to compact > sage: t # change of option > affects t > 1,2,3/4,5 > sage: s # change affects > previously created objects 1,1,1/3,5 > sage: Tableau([[1,2,4],[3,5]]) # change affects newly created > objects > 1,2,4/3,5 > > sage: u=StandardTableau([[1,2,4],[3,5]]); u # change does NOT affect u :( > [[1, 2, 4], [3, 5]] > sage: u.options() > The current options for StandardTableaux_all_with_category.element_class are: > display = str (default str) > > The last example is, for me, a problem: the option change does NOT affect > classes which inherit from Tableau. I would prefer that it did, although in > some cases this is the behaviour you would want.
Hi Andrew, I agree in this case it would be much preferable to have the same output for Tableaux and StandardTableaux. I do not (yet) know how to fix this though. Anne -- You received this message because you are subscribed to the Google Groups "sage-combinat-devel" group. To post to this group, send email to sage-combinat-devel@googlegroups.com. To unsubscribe from this group, send email to sage-combinat-devel+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/sage-combinat-devel?hl=en.
