Implement flexible shape/dims/size API#4625

Merged

twiecki merged 3 commits intopymc-devs:v4from

michaelosthege:v4-4552

Apr 20, 2021

Commits on Apr 18, 2021

Allow unnamed (None) dims and undefined (None) coord values

michaelosthege
and
OriolAbril
committed

Commits on Apr 20, 2021

Allow parametrization through either shape, dims or size
michaelosthege
committed
Automatically add SpecifyShape Op when full-length shape is given
michaelosthege
committed