On Feb 13, 2008 2:22 PM, David Harvey <[EMAIL PROTECTED]> wrote: > > > On Feb 13, 2008, at 5:09 PM, Nick Alexander wrote: > > > John also needs identity and inverses, which requires passing in > > three or functions. Or, more likely a struct, which in an OO > > language, I call an object. > > > > To me, that means you're writing a special purpose "abstract group" > > wrapper for discrete logs, which is fine. But I believe the heavier > > This would be great to have in sage. I wanted to work on something > like this in collaboration with Andrew Sutherland a few months back, > but that whole annoying thesis thing got in the way. Our idea was to > have the underlying abstract group algorithms (like computing > discrete logs, exponents of groups, orders of groups, group > structures etc) written in C++ with templates. Andrew has had a lot > of experience with this. One instantiation would be a black box using > C function pointers, which we could then plug into a cython class to > perform the arithmetic. > > david
+1 This sounds like an extremely good but concrete test situation to think through. William --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
