On 6/28/07, Justin C. Walker <[EMAIL PROTECTED]> wrote: > def is_symmetric(self): > [...] > for i from 1 <= i < self._nrows: > for j from 0 <= j < self._ncols: > [ DO SOMETHING ]
> def is_sym3(self): > [...] > for i in xrange(1,self._nrows): > for j in xrange(0,i): > [ DO SOMETHING ] Besides any difference in loop overhead, isn't is_symmetric() doing almost twice as much work as is_sym3() ? --~--~---------~--~----~------------~-------~--~----~ 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/ -~----------~----~----~----~------~----~------~--~---