Should we provide a Math.h?

I think that EulerAngles, Quaternion and any other math structure should be moved into a specific Math.h file.

I imagine that maintaining a Math.h file may quickly become a project on his own if we try to support all the possible mathematical constructs... maybe we should consider adopting an already existing library? Or extract a subset of an existing library?

Start by locating the existing EulerAngles and Quaternion definitions and reviewing how a proposed Math.h would fit the ArduinoCore-API. The issue does not name files, tests, a preferred library, or acceptance criteria, so the scope and definition of done need to be clarified before implementation.

Written by the indexing model from the issue text.