Supporting heterogeneously distributed DoF #1440
Merged
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follow up of #1433
Untill now,
LocalToGlobalIndexMap
assumes every DoF is distributed over all mesh elements, and creates_rows
object storing all the DoF data for every elements. However in my application, some DoF are defined only on lower-dimension mesh element nodes (e.g. lines in 2D case), and_rows
object stores unnecessary empty DoF data for some elements. This PR tries to avoid creating the unnecessary DoF data with the following changesfindGlobalIndices()
(findGlobalIndicesWithElementID()
), which creates_rows
object from an element ID. The original version assumes the ID is equal to an index in a given vector, which is probably necessary for creating boundary conditions.