> On Sun, Mar 28, 2010 at 3:13 AM, William Stein <wst...@gmail.com> wrote: > > We should definitely move to PARI 2.4. We haven't only because it is > > indeed a monumental task. Perhaps I'll do the move, since I wrote > > most of the Sage wrapper of PARI anyways, and surely porting is much > > less work than writing the whole wrapper in the first place. If > > > anybody wants to help, please volunteer. For starters: > I'm willing to help, but not lead, on this effort. > > > * What is the relevant trac ticket? > > > > * Whoever tried last (Nick?), can they summarize some of the issues > > they encountered. > > Yes, please do. What's so significative about the API changes in pari 2.4? > > > It could be worth moving straight to the pari 2.4 series for Sage-5.0. > > +1 > > If api changes are indeed relevant, syncing the changes with a 5.0 > release of sage seems very sensible. > > Note that the latest released version of pari is 2.4.2.alpha, dated > dec/2007... is this what we should aim for, or the svn HEAD? > > > In case there is confusion, I had some long chats about Pari 2.4 > > versus 2.3 with Karim Belebas (lead Pari dev) last time I was in > > Bordeaux. The Pari 2.4 series is the one anybody should use if they > > can use it. It's meant to be solid for normal research applications. > > The reason it is called "unstable" is because the C API is not stable, > > i.e., the PARI devs reserve the right to change the C API from version > > to version. > > If the C API is not stable, changes they do may bite the Sage > interface at some point? > Never mind _just_ sage what about the other software that links against pari that is shipped with sage, a quick look from the deps file: -eclib, -genus2reduction (I guess sage is technically upstream there, -lcalc (was does Micheal Rubistein thinks about it? At least it is run time rather than compile time).
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