I am wondering what Sage's strategy is with regard to coercions. It thought that it would be reasonable that an element of a RealIntervalField should be coercable into a RealField but this does not seem to be the case.
sage: r=RealIntervalField(16)((1,2)) sage: RealField(16)(r) <type 'exceptions.TypeError'>: Unable to convert x (='[1.00000...2.00000]') to real number. Is this a design decision? Regards, Michel --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-devel URLs: http://sage.scipy.org/sage/ and http://modular.math.washington.edu/sage/ -~----------~----~----~----~------~----~------~--~---