Fix convergence of Li_projection at ±I.
authorStefan Weinzierl <weinzierl@uni-mainz.de>
Thu, 11 Aug 2016 21:55:59 +0000 (23:55 +0200)
committerRichard Kreckel <kreckel@ginac.de>
Thu, 11 Aug 2016 21:55:59 +0000 (23:55 +0200)
commit11c0c610d6f47476b82f3ab118b0be37ed3ef747
treebe2f7902732698fa0b7d2bd4ce908bf364656d8b
parent96fc556787518794919137fc6d0e98e002c32ff5
Fix convergence of Li_projection at ±I.

For arguments near ±I, direct summation does not practically converge.
Use the Bernoulli transformation instead.

Thanks to Peter Banks for reporting this:
<http://www.cebix.net/pipermail/ginac-list/2016-August/002085.html>
ginac/inifcns_nstdsums.cpp