A new update for the Wild Magic library has been recently released. The library a commercial-quality game engine and is the companion source code to the book 3D Game Engine Architecture: Engineering Real-Time Applications written by David Eberly.
The source code is available publically and contains numerous 3D real-time graphics algorithms, including collision-detection, distance calculations, numerical analysis, and image processing, in addition to a comprehensive mathematics library. The book is highly recommended and is an excellent opportunity to support the author for providing such high-quality code.
You can watch the release notes here.