John, On May 21, 9:38 am, John Cremona <john.crem...@gmail.com> wrote: > 2009/5/21 Robert Miller <rlmills...@gmail.com>: > 2. It is not true to say that "A version of ratpoints was the starting > point of ... mwrank", not at all. mwrank does 2-descent, during the > course of which it has to search for points on such curves. For the > first 10 years of mwrank that was done by my own code. Then Stoll's > ratpoints came along which did that part faster (but did no kind of > descent at all, it was just a fast point search); so I adapted it and > put it into mwrank in 1999. My older searching code is still in > there, in fact if you change line 61 of src/qrank/mrank1.cc from this: > #define QSIEVE_OPT 0 // uses Stoll's sieve > so something else it wil still work (or it did last time I tried it, > so not guaranteed).
Sorry -- I was only referring to the fact that mwrank currently uses an out-of-date version of ratpoints. Anyway, I'll cast my vote: +1 for including ratpoints (once leaks are fixed) in Sage standard. --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
