allow hidden dimension when calling FFlux routines #4162
+222
−146
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Summary
The FFlux routines in AMReX_MLPoisson.H and AMReX_MLALaplacian.H previously had assertions that there were no hidden directions. We have replaced that by if tests that only compute the fluxes if the direction is not hidden and otherwise fill the flux array with 0.
Additional background
Checklist
The proposed changes: