mockingbirdnest/Principia — pull request #269 by eggrobin (2014-11-09 19:23:14+00:00)
Title: Numerics

Matrices (and well-defined rotations) for the win.
The issue (#256) seems to be gone, see below.
![screenshot28](https://cloud.githubusercontent.com/assets/2284290/4968594/69e11cc8-6845-11e4-995b-fddd23fe9e1a.png)