[Development] Moving math3d classes from GUI to CORE

[Edward Welbourne]

Jaroslaw Kobus (24 January 2020 11:02)
> So it looks like there is a need to have something like Eigen in Qt,
> at least for Qt 3D purposes (faster, better optimized classes, more
> complete API). So either we use it directly (this option is rather not
> possible, looking at the previous feedback: licensing issues, big
> codebase, etc...) or we start developing it in Qt. Yeah, definitely a
> topic for a separate discussion :) And there is a good time now for
> this discussion I guess.

Given that this would be new API, there is no hurry to address it
(i.e. we don't need to have it ready for Qt 6).

	Eddy.