Robert Bradshaw wrote: > On Sep 17, 2009, at 3:16 PM, David Harvey wrote: > >> I disagree with this change. One of the main purposes of interval >> arithmetic is to be able to take a function f(x) that operates on >> floats, and pass in intervals instead, to determine the possible range >> of outputs a given input interval could produce. This change violates >> that paradigm. The author of f(x) shouldn't need to care whether they >> are operating on floats or intervals. > > +1. The smallest possible value for floor is a different thing (and > contains less information) than all possible values of floor, and > "all possible values" characterizes the interval arithmetic operations. >
+1 to this reasoning, which means -1 for changing round() and friends. Jason --~--~---------~--~----~------------~-------~--~----~ To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URL: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
