On Wed, Mar 11, 2009 at 5:52 PM, Carl Witty wrote: > > On Wed, Mar 11, 2009 at 1:42 PM, Georg S. Weber > <georgswe...@googlemail.com> wrote: >> But would you find it helpful to have the possibility to let it act >> either "as gracefully as possible", or to "print out verbose >> warnings" (coercions have costs, so if the costs are higher than a >> specific amount, this could trigger an activity), or to "only do a >> strict subset of coercions/coversions, and stop otherwise"? > > This sounds potentially very useful; but option 3 ("do a strict subset > of coercions/conversions, and stop otherwise") is also tricky to > implement. For instance, if you had a mode where GF(5)(3) == ZZ(3) > raised a ValueError exception, then "GF(5)(3) in ZZ" would be false in > that mode, where it's normally true; that doesn't seem like the sort > of difference that would be helpful during debugging :) >
Yes, I would find this very helpful - particularly option 3. In that case why wouldn't GF(5)(3) in ZZ also return a ValueError? Regards, Bill Page. --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to sage-devel-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---