EZ-Face was developed in joint effort by Jon Borwein, Petr Lisonek, and Paul Irvine at the CECM with the
support of an HPC Pioneer User Grant.
GNU MP multiprecision
library was used.
The algorithm used for computing the sums is described in:
J. M. Borwein, D. M. Bradley, D. J. Broadhurst and P. Lisonek,
Special values of multiple polylogarithms.
Transactions of the American Mathematical Society 353 (2001), 907-941.