Update Cremona's table of elliptic curves for Sage

[ohanar]

Cremona's database has been updated twice since #11587, the purpose of this ticket is to update the optional spkg to the current version.

I've posted the a new spkg at http://wstein.org/home/ohanar/cremona-database/database_cremona_ellcurve-20120113.spkg.

Depends on #11587

CC: @JohnCremona

Component: elliptic curves

Author: R. Andrew Ohana

Reviewer: John Cremona

Merged: sage-4.8

Issue created by migration from https://trac.sagemath.org/ticket/12308

[JohnCremona]

comment:2

Positive review -- the new spkg installs fine on 4.8.alpha5 and then all tests in sage/schemes/elliptic_curve pass. Thanks, Andrew!

[ohanar]

Reviewer: John Cremona

[jdemeyer]

comment:5

Sorry, but I really don't want to add anything more to sage-4.8 (apart to fix serious bugs).

[JohnCremona]

comment:6

Replying to @jdemeyer:

Sorry, but I really don't want to add anything more to sage-4.8 (apart to fix serious bugs).

Understood -- but it's only an optional spkg. Anyway, release manager gets to have the last word...

[jdemeyer]

comment:8

Optional spkgs aren't really versioned. They don't follow Sage releases, they are just posted all together. Which means that it doesn't matter when this ticket is closed.

[jdemeyer]

Work Issues: HTTP 404

[jdemeyer]

comment:9

Not Found

The requested URL /home/ohanar/cremona-database/database_cremona_ellcurve-20120113.skpg. was not found on this server.
Apache/2.2.8 (Ubuntu) DAV/2 SVN/1.5.1 mod_python/3.3.1 Python/2.5.2 mod_ssl/2.2.8 OpenSSL/0.9.8g mod_wsgi/2.0 Server at boxen.math.washington.edu Port 80

[ohanar]

comment:10

Replying to @jdemeyer:

Optional spkgs aren't really versioned. They don't follow Sage releases, they are just posted all together. Which means that it doesn't matter when this ticket is closed.

Before #11587 there were a few places within the sage library which had hard coded the version of the database.

[ohanar]

Changed work issues from HTTP 404 to none

[JohnCremona]

comment:11

I re-tested this (I was able to find the correct spkg the first time, BTW). It applied fine to 4.8.rc0 and all relevant tests pass.

sage: CDB=CremonaDatabase()              
sage: CDB.number_of_curves()         
1406789
sage: CDB.number_of_isogeny_classes()
965348
sage: CDB.conductor_range()
(1, 220000)

Whenever 4.8 is released this spkg needs to be put where the other oprional spgs are.
I really really do not see why this has to wait until 5.0 since it has no effect at all on the Sage library....

[JohnCremona]

comment:13

Replying to @jdemeyer:
:) :) :)

[jdemeyer]

Merged: sage-4.8