On 12/25/22 13:52, Pranshul Thakur wrote:
Thanks for trying the code. Yes, just checked that we aren't really using a
specific deal.II function with AD and wouldn't need to derive our class from
Function<dim>. Function<dim, AD> compiled fine with deal.II version 9.2, but
it doesn't after this PR
<https://nam10.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fdealii%2Fdealii%2Fpull%2F14211&data=05%7C01%7CWolfgang.Bangerth%40colostate.edu%7Ce92ce00ce73b43e61ba308dae6b9f1a0%7Cafb58802ff7a4bb1ab21367ff2ecfc8b%7C0%7C0%7C638075984677313930%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=9dQ24fgI17PdU3YTUoVMnKP7m1XmyoJa%2FyB8oJckDzQ%3D&reserved=0> improved the check (which is a good check if functions taking in Function<dim> expect real/complex types).
I have to admit that I find it mildly annoying that the compiler forces the
entire class to use arithmetic types for RangeNumberType (as opposed to only
requiring them for those functions that actually use the Vector class). At the
same time, in your case the solution simply is to not derive your class from
Function<dim,...> since there is nothing you could do with a reference- or
pointer-to-base.
Best
W.
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