Peter, > I think a case could be made for having two versions of the current RR: one > like the current one (more like a model of the extended real line) and one > where overflow or division by zero raises an exception instead of returning > +/- infinity (more like a model of the usual real numbers). I can think of > at least two reasons for having the latter:
note that MPFR internally raises exceptions, and it would be easy to provide Sage functions to query/set/clear the exception flags. Paul -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel@googlegroups.com. Visit this group at http://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/groups/opt_out.