Symbolic elliptic integrals

[eviatarbach]

This ticket is for making the elliptic integrals symbolic, including arbitrary-precision numeric evaluation.

Defect because elliptic_e(2.5,2.5).n() throwing an ECL error is fixed with it.

CC: @burcin @paulmasson

Component: symbolics

Keywords: special, functions

Author: Eviatar Bach, Ralf Stephan

Branch/Commit: fc1ac57

Reviewer: Karl-Dieter Crisman, Travis Scrimshaw

Issue created by migration from https://trac.sagemath.org/ticket/15046

[eviatarbach]

Attachment: trac15046.patch.gz

[eviatarbach]

comment:2

Need to get full doctest coverage.

[rwst]

Branch: u/rws/symbolic_elliptic_integrals

[rwst]

Commit: a922acc