Looks like you re-implemented rational reconstruction with denominator, though its not quite as fast as what I had.
On Mar 6, 2007, at 2:12 PM, William Stein wrote: > Hello, > > I have released SAGE-2.3: http://sage.math.washington.edu/sage > This is a nontrivial upgrade in terms of new improved code in the > SAGE core library, especially in terms of linear algebra. > > sage-2.4 will be released around March 15-20 after the > Arizona Winter School. > > Summary of changes: > * inclusion and integration into SAGE of IML; this allows for > computing nullspaces. E.g., if A is a 300x301 matrix with > 32-bit integer entries it finds the kernel (a single > vector) > in about 1-2 seconds. Also, system solving and in some > cases > echelon forms are computed using IML. > * David Roe et al.: a completely new implementation of p- > adics > * W Stein, Clement P, Soroosh Y, and Martin A.: lots of > optimization > work on linear algebra over QQ and GF(p); new optimized > compiled > sparse linear algebra over QQ and ZZ. Speedups to > multimodular, > rational reconstruction, etc. > * W. Stein: lots of optimization of modular symbols > computation. > * Carl Witty: many many improvements to how floating point > arithmetic works in SAGE. > * David Harvey: improvements to p-adics heights code > > -- > William Stein > Associate Professor of Mathematics > University of Washington > > --~--~---------~--~----~------------~-------~--~----~ 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/ -~----------~----~----~----~------~----~------~--~---
