> I have no time at the moment to look at this patch. I used it to do > some computations which were completely undoable with the standard > implementation of FractionField, and which became extremely fast > using this implementation.
> So the lukewarm (to say the least) reaction by some very much > discouraged me. > > Anyway here is a working link > > http://emis.uhasselt.be/~vdbergh/sage_patches/fraction_field_cache/ > > The beef is contained in a cython file > > factor_cache.pyx > > which acts as a wrapper around RingElement but which caches > information > about factorizations (to take mock gcd's and lcm's). > > FractionField_cache is an implementation of FractionField which uses > factor_cache to cache factorizations of the denominator. You can turn > this behaviour on and off using "auto_reduce". > > It is quite likely that the files need to be adapted to work with the > current version of Sage. Thanks for the pointer! Well, I am pretty much already overloaded myself, so I can will just vote +2 on this feature request for the moment. Best, Nicolas -- Nicolas M. ThiƩry "Isil" <nthi...@users.sf.net> http://Nicolas.Thiery.name/ --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---