On 5-Dec-08, at 10:57 AM, daveloeffler wrote:
> > I think you've uncovered a bug that had been masked by the is_one bug. > If I'm not mistaken, I^-1 calls MultiplicativeGroupElement.__invert__, > which tests whether self is one and if not returns 1/self. Obligingly, > the coercion model (being asked to calculate 1/self) calls __invert__ > again! > > (I convinced myself of this by making is_one print a warning every > time it is called. Then running your example code prints the warning > over and over again, until the maximum recursion depth is exceeded and > a segfault is raised.) I ran this in gdb and can verify the infinite loop in the coercion code. Nick --~--~---------~--~----~------------~-------~--~----~ 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://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
