Merge pull request #1018 from CEED/jrwrigh/stg_precompute_ektot

examples/fluids: skip legacy preallocation (we use COO)

When using -snes_fd_color or running a model that doesn't provide a
Jacobian (in which case coloring will be used automatically), we still
nee

examples/fluids: skip legacy preallocation (we use COO)

When using -snes_fd_color or running a model that doesn't provide a
Jacobian (in which case coloring will be used automatically), we still
need to preallocate.

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examples/fluids: explicitly handle MFFD

examples/fluids: use shell for Amat, block diagonal aij* for Pmat

This adds two independent options for tuning solves.

-amat_type shell: causes Amat and Pmat to be different matrices, with shell
us

examples/fluids: use shell for Amat, block diagonal aij* for Pmat

This adds two independent options for tuning solves.

-amat_type shell: causes Amat and Pmat to be different matrices, with shell
used for Amat. It's technically possible to use other matrix formats
here.

-pmat_pbdiagonal: causes Pmat to be assembled as point-block diagonal.
Note that this usually only makes sense in addition to -amat_type shell
because otherwise your KSP is only working with the point-block diagonal.

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fluids: Store 1/Ektot

fluids: Implement stgdata for ektot

fluids: Add STG Preprocessing and Calc QFs

fluids: Abstract out spectrum calculation

Merge pull request #1016 from CEED/jed/plex-cell-coordinates

examples/fluids: use DMGetCellCoordinateDM to handle periodicity

examples/fluids: use DMGetCellCoordinateDM to handle periodicity

Note that without -dm_sparse_localize 0 (default=1), the cell DM will
only have cells with localized coordinates (and there is no vec

examples/fluids: use DMGetCellCoordinateDM to handle periodicity

Note that without -dm_sparse_localize 0 (default=1), the cell DM will
only have cells with localized coordinates (and there is no vector
representation that contains both).

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Merge pull request #1009 from CEED/jrwrigh/dirichlet_with_libceed

Fluids - Use libCEED to compute Dirichlet boundary conditions

examples/fluids: fix spelling in output

fix(fluids): Create and use basis_xc_sur for dirichlet bcs

Merge pull request #1015 from CEED/jrwrigh/fluids_bcinsert_mask

fluids: Fix post-processing in DMPlexInsertBoundaryValues_NS

fluids: Minor improvements for dirichlet and stg

fluids: Set all outputs in STG QF

fluids: Use ApplyAdd for dirichlet_libCEED BCs

test: Update data for strong_stg test

- Previous data was from using `bcFunc` and was actually incorrect.

fluids: Implement dirichlet bcs via libCEED

fluids: Fix post-processing in DMPlexInsertBoundaryValues_NS

fluids: Create QFs for strong STG w/ QFunctions

Merge pull request #1002 from CEED/jeremy/format-ceed-types

Add CeedInt_FMT

fmt - add CeedInt_FMT

Merge pull request #1008 from CEED/jeremy/doc-fixes

Small Doc Fixes

Merge pull request #1010 from CEED/jrwrigh/fluids_qfutils