MFEM Complex AuxKernels

[Heinrich-BR]

Closes #31961

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Framework coverage

	6590aa	#31962 027558
	Total	Total	+/-	New
Rate	85.99%	86.00%	+0.01%	100.00%
Hits	125742	125983	+241	260
Misses	20494	20513	+19	0

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• framework
• chemical_reactions
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• electromagnetics
• external_petsc_solver
• fluid_properties
• fsi
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• xfem

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[nmnobre]

Looking good, just a few tweaks.

[nmnobre]

Can we rebase and reimplement both the inner and external products in light of recent changes to their real counterparts?

[Heinrich-BR]

I've done the rebase, but what part would you like to see reimplemented? I can see that the MFEMInnerProduct and the cross product have an MFEMScalarCoefficient as their scaling factor, whereas the complex versions have a constant complex number. However, I think it'd be best if we waited for the ComplexCoefficient to be merged into MFEM before trying to have a coefficient instead of a constant for the scaling.

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Job Precheck, step Clang format on c7a8e79 wanted to post the following:

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A patch was auto generated and copied here
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Job Precheck, step Versioner verify on ab378e0 wanted to post the following:

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Versioner influential files

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package	status	file
wasp	CHANGE	framework/contrib/wasp

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package	status	hash	to hash	version	to version
wasp	NEED BUMP	0320f16	f278c09	2025.09.19_02960f1 build 0	2025.09.19_02960f1 build 0
moose-dev	NEED BUMP	a20764f	fc18d70	2025.11.24	2025.11.24

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