On top of linear algebra, is it also possible to interface it directly to standalone, well optimized existing QP solvers, like HPIPM (https://github.com/giaf/hpipm)? In case one is interested in implementing MPC controllers.
You are not the only one request this :p
So, if I understand correctly, at the end what you would like is a tool to write your MPC problem more conveniently in a high-level language and still be able to deploy your code using HPIPM on an embedded device?
[BTW, I happen to be the main HPIPM developer, so very glad about your comment!]
Interfacing existing C code would be an important thing to be addressed. It is currently a missing feature, unfortunately.