MetaScale/nt2 — pull request #719 by jtlap (2014-03-24 08:59:18+00:00)
Title: Improving erfinv

erfinv and erfcinv are improved with a new algo.

The only thing remaining to do is to extend the max degree available for horner, as there is a degree 22
polynomial somewhere in an erfinv_kernel still evaluated by hand.