On Mon, Mar 23, 2009 at 4:03 PM, Robert Bradshaw < rober...@math.washington.edu> wrote:
> On Mar 22, 2009, at 6:49 AM, Darren Dale wrote: > > On Mar 20, 10:31 pm, Jason Grout <jason-s...@creativetrax.com> wrote: >> >>> Maurizio wrote: >>> >>>> Not yet... I think I was previously asking whether some of you guys >>>> are interested in trying to contact them, if you do think it does >>>> makes sense. >>>> >>> >>> I mean, if this community is interested in having this feature, the >>>> Quantities developers are going to find some good feedback, otherwise, >>>> we could just probably end up losing a good occasion, because things >>>> are not ready yet (although I hope that's not the case)! >>>> >>> >>> I think there are a good number of people now that would like to have >>> the feature, and as you well know, there are lots and *lots* of future >>> users that would like to have the functionality. >>> >>> I'd say it's time to contact them and see if they can help. If there >>> needs to be changes made to Quantities, then making them now, while it >>> is still solidifying, would be advantageous. >>> >> >> Hello, I am Darren Dale, the developer of Quantities. Thank you >> Maurizio for contacting me. >> > > Glad to hear from you. > > [...] > > I guess the question I have for this list is, what would be required >> for quantities to work in sage? I would prefer to try to work out the >> numpy issues I alluded to before quantities gets too much exposure, in >> case changes in API are required (unlikely). >> > > > Am I correct in understanding that the values in Quantities all need to be > NumPy values? If this is the case, it probably boils down to NumPy's not > handling of non-Python types. This really needs to get resolved. > Quantities values are all instances of Quantity or a subclass thereof, and Quantity itself is a subclass of ndarray. It sounds like the first step would be to work out this compatibility issue between sage objects and ndarray. Has anyone brought it up at numpy-discussion? --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to sage-devel-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---