On the github readme for sunode ( GitHub - pymc-devs/sunode: Solve ODEs fast, with support for PyMC) they have an ‘extra’ parameter that is set to
np.zeros(1). (This is in the call to
This doesn’t seem to be optional, and if you do not include it the sampling fails
ValueError: When changing to a smaller dtype... I don’t understand why this is needed? Is this working as intended?