database_cremona_ellcurve: Database of elliptic curves#

Description#

John Cremona’s database of elliptic curves

See https://github.com/JohnCremona/ecdata

This is an optional package, not included by default.

License#

Public Domain

Upstream Contact#

Update Instructions#

Get an up-to-date copy of the git repository ecdata from https://github.com/JohnCremona/ecdata.

If the cremona database has already been installed, remove SAGE_DATA/cremona/cremona.db. Then run

The build script expects to find the files in subfolders allcurves, allgens, degphi and allbsd of the ecdata folder. It extracts them and builds the new cremona.db file from the contents.

Finally, copy SAGE_DATA/cremona/cremona.db to the src directory of the spkg.

Type#

optional

Dependencies#

Version Information#

package-version.txt:

20190911

Equivalent System Packages#

See https://repology.org/project/sage-data-cremona-ellcurve/versions, https://repology.org/project/sagemath-database-cremona-elliptic-curves/versions

However, these system packages will not be used for building Sage because spkg-configure.m4 has not been written for this package; see trac ticket #27330