[luatex] how many bytes for fontdimens?

[jfbu]

forgot to mention that I am aware a \fontdimen is limited to 2**30 strictly anyhow

but my question is whether such « arrays » are stored 32bits or 64bits itemwise

> Le 2 août 2021 à 21:35, jfbu <jfbu at free.fr> a écrit :
> 
> Hi,
> I would like to know if luatex (as I expect) uses 32bits storage per \fontdimen of a given font.
> 
> Or perhaps it depends on the architecture?
> 
> Regards,
> Jean-François
> 
> 
>