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dealii.git
2 years agoFix exponential complexity of FloatingPointComparator with nesting
Martin Kronbichler [Mon, 26 Sep 2022 08:24:27 +0000 (10:24 +0200)]
Fix exponential complexity of FloatingPointComparator with nesting

2 years agoMerge pull request #14307 from peterrum/FloatingPointComparator_TriangulationDescription
Peter Munch [Sun, 25 Sep 2022 16:21:26 +0000 (18:21 +0200)]
Merge pull request #14307 from peterrum/FloatingPointComparator_TriangulationDescription

Use FloatingPointComparator in TriangulationDescription

2 years agoUse FloatingPointComparator in TriangulationDescription 14307/head
Peter Munch [Sat, 24 Sep 2022 09:08:39 +0000 (11:08 +0200)]
Use FloatingPointComparator in TriangulationDescription

2 years agoMerge pull request #14298 from peterrum/FloatingPointComparator_use
Peter Munch [Sun, 25 Sep 2022 13:31:18 +0000 (15:31 +0200)]
Merge pull request #14298 from peterrum/FloatingPointComparator_use

Use FloatingPointComparator in TensorProductMatrixSymmetricSumCollection

2 years agoUse FloatingPointComparator in TensorProductMatrixSymmetricSumCollection 14298/head
Peter Munch [Wed, 21 Sep 2022 18:57:43 +0000 (20:57 +0200)]
Use FloatingPointComparator in TensorProductMatrixSymmetricSumCollection

2 years agoMerge pull request #14306 from kronbichler/include_header
Timo Heister [Fri, 23 Sep 2022 20:25:39 +0000 (16:25 -0400)]
Merge pull request #14306 from kronbichler/include_header

Add missing header file

2 years agoAdd missing header 14306/head
Martin Kronbichler [Fri, 23 Sep 2022 17:17:23 +0000 (19:17 +0200)]
Add missing header

2 years agoMerge pull request #14303 from sebproell/dataout-xdmf-precision
Martin Kronbichler [Fri, 23 Sep 2022 06:06:34 +0000 (08:06 +0200)]
Merge pull request #14303 from sebproell/dataout-xdmf-precision

Increase precision of time written in xdmf output

2 years agoMerge pull request #14301 from kronbichler/update_documentation
Martin Kronbichler [Fri, 23 Sep 2022 06:06:07 +0000 (08:06 +0200)]
Merge pull request #14301 from kronbichler/update_documentation

Do not mention update_cell_dof_indices_cache in documentation

2 years agoDo not mention update_cell_dof_indices_cache in documentation 14301/head
Martin Kronbichler [Thu, 22 Sep 2022 07:30:09 +0000 (09:30 +0200)]
Do not mention update_cell_dof_indices_cache in documentation

2 years agoIncrease precision of time written in xdmf output 14303/head
Sebastian Proell [Thu, 22 Sep 2022 14:38:31 +0000 (16:38 +0200)]
Increase precision of time written in xdmf output

2 years agoMerge pull request #14299 from kronbichler/fix_test2
Peter Munch [Thu, 22 Sep 2022 13:29:42 +0000 (15:29 +0200)]
Merge pull request #14299 from kronbichler/fix_test2

Remove reference to update_cell_dof_indices_cache

2 years agoMerge pull request #14300 from kronbichler/do_not_initialize_table
Peter Munch [Thu, 22 Sep 2022 13:29:26 +0000 (15:29 +0200)]
Merge pull request #14300 from kronbichler/do_not_initialize_table

Do not default initialize projection matrix in GMRES

2 years agoMerge pull request #14302 from peterrum/weight_fe_q_dofs_by_entity_clean_up
Peter Munch [Thu, 22 Sep 2022 13:11:20 +0000 (15:11 +0200)]
Merge pull request #14302 from peterrum/weight_fe_q_dofs_by_entity_clean_up

Clean up weight_fe_q_dofs_by_entity

2 years agoClean up weight_fe_q_dofs_by_entity 14302/head
Peter Munch [Thu, 22 Sep 2022 08:24:40 +0000 (10:24 +0200)]
Clean up weight_fe_q_dofs_by_entity

2 years agoMerge pull request #14296 from peterrum/FloatingPointComparator
Martin Kronbichler [Thu, 22 Sep 2022 07:46:35 +0000 (09:46 +0200)]
Merge pull request #14296 from peterrum/FloatingPointComparator

Rename FPArrayComparator -> FloatingPointComparator

2 years agoDo not default initialize projection matrix in GMRES 14300/head
Martin Kronbichler [Thu, 22 Sep 2022 07:24:15 +0000 (09:24 +0200)]
Do not default initialize projection matrix in GMRES

2 years agoRemove reference to update_cell_dof_indices_cache 14299/head
Martin Kronbichler [Thu, 22 Sep 2022 07:18:11 +0000 (09:18 +0200)]
Remove reference to update_cell_dof_indices_cache

2 years agoMerge pull request #14246 from bangerth/error
Martin Kronbichler [Thu, 22 Sep 2022 06:04:14 +0000 (08:04 +0200)]
Merge pull request #14246 from bangerth/error

Improve error message.

2 years agoMerge pull request #14297 from peterrum/TensorProductMatrixSymmetricSumCollection_flat
Martin Kronbichler [Thu, 22 Sep 2022 06:02:15 +0000 (08:02 +0200)]
Merge pull request #14297 from peterrum/TensorProductMatrixSymmetricSumCollection_flat

TensorProductMatrixSymmetricSumCollection: store matrices/vectors flat

2 years agoMerge pull request #14236 from tjhei/hdf_empty
David Wells [Wed, 21 Sep 2022 21:42:12 +0000 (17:42 -0400)]
Merge pull request #14236 from tjhei/hdf_empty

support XDMF writing with ranks without cells

2 years agoRename FPArrayComparator -> FloatingPointComparator 14296/head
Peter Munch [Wed, 21 Sep 2022 07:26:29 +0000 (09:26 +0200)]
Rename FPArrayComparator -> FloatingPointComparator

2 years agoIntroduce a new exception for HDF5. 14246/head
Wolfgang Bangerth [Wed, 21 Sep 2022 20:34:12 +0000 (14:34 -0600)]
Introduce a new exception for HDF5.

2 years agouse correct MPI type 14236/head
Timo Heister [Wed, 21 Sep 2022 18:51:46 +0000 (14:51 -0400)]
use correct MPI type

2 years agoMerge pull request #14068 from kronbichler/eliminate_dof_handler_cache
Timo Heister [Wed, 21 Sep 2022 18:50:13 +0000 (14:50 -0400)]
Merge pull request #14068 from kronbichler/eliminate_dof_handler_cache

Remove the cell dof indices cache

2 years agoMerge pull request #14166 from luca-heltai/cgal-dimension_independent_intersection
Daniel Arndt [Wed, 21 Sep 2022 18:30:13 +0000 (14:30 -0400)]
Merge pull request #14166 from luca-heltai/cgal-dimension_independent_intersection

2 years agoTensorProductMatrixSymmetricSumCollection: store matrices/vectors flat 14297/head
Peter Munch [Wed, 21 Sep 2022 17:56:16 +0000 (19:56 +0200)]
TensorProductMatrixSymmetricSumCollection: store matrices/vectors flat

2 years agoMerge pull request #14183 from zjiaqi2018/fix-3d-half_hyper_shell-manifold
Daniel Arndt [Wed, 21 Sep 2022 14:13:32 +0000 (10:13 -0400)]
Merge pull request #14183 from zjiaqi2018/fix-3d-half_hyper_shell-manifold

2 years agoMerge pull request #14294 from peterrum/FPArrayComparator_Number
Peter Munch [Wed, 21 Sep 2022 07:58:29 +0000 (09:58 +0200)]
Merge pull request #14294 from peterrum/FPArrayComparator_Number

Remove template parameter from FPArrayComparator

2 years agoRemove template parameter from FPArrayComparator 14294/head
Peter Munch [Tue, 20 Sep 2022 18:42:05 +0000 (20:42 +0200)]
Remove template parameter from FPArrayComparator

2 years agoMerge pull request #14295 from peterrum/tensor_product_matrix_names
Martin Kronbichler [Wed, 21 Sep 2022 05:45:55 +0000 (07:45 +0200)]
Merge pull request #14295 from peterrum/tensor_product_matrix_names

Make variable names in tensor_product_matrix.h more consistent

2 years agoMerge pull request #14286 from kronbichler/index_owner_streamline
Martin Kronbichler [Wed, 21 Sep 2022 05:42:12 +0000 (07:42 +0200)]
Merge pull request #14286 from kronbichler/index_owner_streamline

Revise some operations in compute_index_owner_internal

2 years agoMerge pull request #14293 from peterrum/VectorizedArrayTrait_width_get
Peter Munch [Wed, 21 Sep 2022 05:20:30 +0000 (07:20 +0200)]
Merge pull request #14293 from peterrum/VectorizedArrayTrait_width_get

Extend VectorizedArrayTrait

2 years agoMake variable names in tensor_product_matrix.h more consistent 14295/head
Peter Munch [Tue, 20 Sep 2022 20:50:56 +0000 (22:50 +0200)]
Make variable names in tensor_product_matrix.h more consistent

2 years agoExtend VectorizedArrayTrait 14293/head
Peter Munch [Tue, 20 Sep 2022 17:39:05 +0000 (19:39 +0200)]
Extend VectorizedArrayTrait

2 years agoMerge pull request #14289 from peterrum/TensorProductMatrixSymmetricSumCache
Martin Kronbichler [Tue, 20 Sep 2022 16:21:29 +0000 (18:21 +0200)]
Merge pull request #14289 from peterrum/TensorProductMatrixSymmetricSumCache

Add TensorProductMatrixSymmetricSumCache

2 years agoAdd 3D/3D cuts with vertices only and minor fixes 14166/head
Marco Feder [Fri, 9 Sep 2022 07:57:01 +0000 (09:57 +0200)]
Add 3D/3D cuts with vertices only and minor fixes

2 years agochangelog 14183/head
Jiaqi Zhang [Tue, 20 Sep 2022 14:09:43 +0000 (14:09 +0000)]
changelog

2 years agoAdd TensorProductMatrixSymmetricSumCache 14289/head
Peter Munch [Mon, 19 Sep 2022 14:36:45 +0000 (16:36 +0200)]
Add TensorProductMatrixSymmetricSumCache

2 years agoMerge pull request #13677 from nabw/petsc-bddc-preconditioner
David Wells [Tue, 20 Sep 2022 13:36:07 +0000 (09:36 -0400)]
Merge pull request #13677 from nabw/petsc-bddc-preconditioner

Petsc bddc preconditioner

2 years agoMerge pull request #14290 from jh66637/tolerance_for_neighbor_type
Martin Kronbichler [Tue, 20 Sep 2022 13:12:07 +0000 (15:12 +0200)]
Merge pull request #14290 from jh66637/tolerance_for_neighbor_type

find_neighbor_type with customizable tolerance

2 years agoMerge pull request #14284 from peterrum/vtu_ascii
David Wells [Tue, 20 Sep 2022 12:15:53 +0000 (08:15 -0400)]
Merge pull request #14284 from peterrum/vtu_ascii

Add DataOutBase::CompressionLevel::ascii

2 years agoMerge pull request #14292 from peterrum/windoof_artifacts
Martin Kronbichler [Tue, 20 Sep 2022 07:18:15 +0000 (09:18 +0200)]
Merge pull request #14292 from peterrum/windoof_artifacts

Windows action: archive library only if merged into master

2 years agoaddress comments
Jiaqi Zhang [Tue, 20 Sep 2022 03:35:47 +0000 (03:35 +0000)]
address comments

2 years agofix normal on a coarse mesh
Jiaqi Zhang [Mon, 19 Sep 2022 21:46:17 +0000 (21:46 +0000)]
fix normal on a coarse mesh

2 years agoMerge pull request #14287 from kronbichler/unroll_loop
Peter Munch [Mon, 19 Sep 2022 20:26:27 +0000 (22:26 +0200)]
Merge pull request #14287 from kronbichler/unroll_loop

Vector reductions: Unroll a loop in case of vectorization

2 years agoRevise some operations in compute_index_owner_internal 14286/head
Martin Kronbichler [Mon, 19 Sep 2022 10:32:27 +0000 (12:32 +0200)]
Revise some operations in compute_index_owner_internal

2 years agoMerge pull request #14288 from peterrum/TensorProductMatrixSymmetricSum_pointers
Peter Munch [Mon, 19 Sep 2022 20:21:52 +0000 (22:21 +0200)]
Merge pull request #14288 from peterrum/TensorProductMatrixSymmetricSum_pointers

TensorProductMatrixSymmetricSum: switch to pointers

2 years agoAdd DataOutBase::CompressionLevel::plain_text 14284/head
Peter Munch [Sun, 18 Sep 2022 20:20:37 +0000 (22:20 +0200)]
Add DataOutBase::CompressionLevel::plain_text

2 years agoWindows action: archive library only if merged into master 14292/head
Peter Munch [Mon, 19 Sep 2022 19:28:13 +0000 (21:28 +0200)]
Windows action: archive library only if merged into master

2 years agofind_neighbor_type with customizable tolerance 14290/head
Johannes Heinz [Mon, 19 Sep 2022 16:06:18 +0000 (18:06 +0200)]
find_neighbor_type with customizable tolerance

2 years agoMerge pull request #14276 from peterrum/vtu_highorder_fix
David Wells [Mon, 19 Sep 2022 14:56:48 +0000 (10:56 -0400)]
Merge pull request #14276 from peterrum/vtu_highorder_fix

Fix high-order output for vtu in parallel

2 years agoTensorProductMatrixSymmetricSum: switch to pointers 14288/head
Peter Munch [Mon, 19 Sep 2022 11:21:12 +0000 (13:21 +0200)]
TensorProductMatrixSymmetricSum: switch to pointers

2 years agoMerge pull request #14283 from mschreter/avoid_warning
Daniel Arndt [Mon, 19 Sep 2022 13:38:32 +0000 (09:38 -0400)]
Merge pull request #14283 from mschreter/avoid_warning

2 years agoUnroll a loop in case of vectorization 14287/head
Martin Kronbichler [Mon, 19 Sep 2022 11:00:44 +0000 (13:00 +0200)]
Unroll a loop in case of vectorization

2 years agoMerge pull request #14285 from peterrum/DataOutBase_credits
Timo Heister [Mon, 19 Sep 2022 01:58:22 +0000 (21:58 -0400)]
Merge pull request #14285 from peterrum/DataOutBase_credits

Remove credits from DataOutBase

2 years agoRemove credits from DataOutBase 14285/head
Peter Munch [Sun, 18 Sep 2022 21:10:11 +0000 (23:10 +0200)]
Remove credits from DataOutBase

2 years agoDataOutFilter::n_cells 0
Timo Heister [Sun, 18 Sep 2022 19:23:09 +0000 (15:23 -0400)]
DataOutFilter::n_cells 0

n_cells() now returns 0 instead of invalid_unsigned_int

2 years agoFix high-order output for vtu in parallel 14276/head
Peter Munch [Sun, 18 Sep 2022 08:16:53 +0000 (10:16 +0200)]
Fix high-order output for vtu in parallel

2 years agoMerge pull request #14282 from kronbichler/avoid_warning2
Timo Heister [Sun, 18 Sep 2022 18:54:17 +0000 (14:54 -0400)]
Merge pull request #14282 from kronbichler/avoid_warning2

Avoid warning regarding unused variable

2 years agoMerge pull request #14281 from kronbichler/remove_include
Timo Heister [Sun, 18 Sep 2022 18:53:51 +0000 (14:53 -0400)]
Merge pull request #14281 from kronbichler/remove_include

Remove unnecessary include file

2 years agoMerge pull request #14280 from kronbichler/fix_uninitialized
Timo Heister [Sun, 18 Sep 2022 18:53:11 +0000 (14:53 -0400)]
Merge pull request #14280 from kronbichler/fix_uninitialized

Make sure not to work with possibly uninitialized variables

2 years agoavoid warning 14283/head
Magdalena Schreter [Sun, 18 Sep 2022 15:26:45 +0000 (17:26 +0200)]
avoid warning

2 years agoMerge pull request #14278 from peterrum/cheby_relax_fixes
Peter Munch [Sun, 18 Sep 2022 14:57:16 +0000 (16:57 +0200)]
Merge pull request #14278 from peterrum/cheby_relax_fixes

PreconditionRelaxation/Chebyshev fixes

2 years agoMerge pull request #14279 from peterrum/ConstraintInfo_ptr
Peter Munch [Sun, 18 Sep 2022 14:57:03 +0000 (16:57 +0200)]
Merge pull request #14279 from peterrum/ConstraintInfo_ptr

internal::MatrixFreeFunctions::ConstraintInfo: switch data type

2 years agoAvoid warning regarding uninitialized variable 14282/head
Martin Kronbichler [Sun, 18 Sep 2022 14:01:31 +0000 (16:01 +0200)]
Avoid warning regarding uninitialized variable

2 years agoRemove unnecessary include file 14281/head
Martin Kronbichler [Sun, 18 Sep 2022 13:56:44 +0000 (15:56 +0200)]
Remove unnecessary include file

2 years agoMake sure not to work with possibly uninitialized variables 14280/head
Martin Kronbichler [Sun, 18 Sep 2022 13:51:09 +0000 (15:51 +0200)]
Make sure not to work with possibly uninitialized variables

2 years agointernal::MatrixFreeFunctions::ConstraintInfo: switch data type 14279/head
Peter Munch [Sun, 18 Sep 2022 12:10:57 +0000 (14:10 +0200)]
internal::MatrixFreeFunctions::ConstraintInfo: switch data type

2 years agoPreconditionRelaxation/Chebyshev fixes 14278/head
Peter Munch [Sun, 18 Sep 2022 11:52:37 +0000 (13:52 +0200)]
PreconditionRelaxation/Chebyshev fixes

2 years agoMerge pull request #14273 from peterrum/fdm_refactor
Peter Munch [Sat, 17 Sep 2022 17:13:34 +0000 (19:13 +0200)]
Merge pull request #14273 from peterrum/fdm_refactor

Refactor TensorProductMatrixSymmetricSum

2 years agoRefactor TensorProductMatrixSymmetricSum 14273/head
Peter Munch [Thu, 15 Sep 2022 18:00:52 +0000 (20:00 +0200)]
Refactor TensorProductMatrixSymmetricSum

2 years agoFixed unused variables warning 13677/head
Nicolas Barnafi [Fri, 16 Sep 2022 17:09:13 +0000 (19:09 +0200)]
Fixed unused variables warning

2 years agoMerge pull request #14270 from peterrum/tria_global_active_cell_index_partitioner
David Wells [Fri, 16 Sep 2022 12:15:54 +0000 (08:15 -0400)]
Merge pull request #14270 from peterrum/tria_global_active_cell_index_partitioner

Triangulation: implement global_*_cell_index_partitioner()

2 years agoMerge with master
Nicolas Barnafi [Fri, 16 Sep 2022 09:08:03 +0000 (11:08 +0200)]
Merge with master

2 years agoMerge pull request #14271 from peterrum/cheby_a_p_ranges
Martin Kronbichler [Thu, 15 Sep 2022 18:50:15 +0000 (20:50 +0200)]
Merge pull request #14271 from peterrum/cheby_a_p_ranges

PreconditionChebyshev: add specialization for A and P with ranges

2 years agoMerge pull request #14272 from Rombur/gpu_mf_fe_nothing
Martin Kronbichler [Thu, 15 Sep 2022 18:48:29 +0000 (20:48 +0200)]
Merge pull request #14272 from Rombur/gpu_mf_fe_nothing

Add support for FE_Nothin in CUDA matrix-free

2 years agoAdd FE_Nothing test for CUDA matrix-free 14272/head
Bruno Turcksin [Thu, 15 Sep 2022 13:18:22 +0000 (13:18 +0000)]
Add FE_Nothing test for CUDA matrix-free

2 years agoMerge pull request #14258 from peterrum/DataOutResample_multiple_components
Peter Munch [Thu, 15 Sep 2022 07:37:15 +0000 (09:37 +0200)]
Merge pull request #14258 from peterrum/DataOutResample_multiple_components

DataOutResample for multiple components

2 years agoTriangulation: implement global_*_cell_index_partitioner() 14270/head
Peter Munch [Wed, 14 Sep 2022 07:08:27 +0000 (09:08 +0200)]
Triangulation: implement global_*_cell_index_partitioner()

2 years agoImprove support to FE_Nothing in matrix-free hanging_nodes
Bruno Turcksin [Wed, 14 Sep 2022 19:37:10 +0000 (19:37 +0000)]
Improve support to FE_Nothing in matrix-free hanging_nodes

2 years agoMerge pull request #14243 from peterrum/fdm_constrained
Peter Munch [Wed, 14 Sep 2022 19:35:05 +0000 (21:35 +0200)]
Merge pull request #14243 from peterrum/fdm_constrained

TensorProductMatrixSymmetricSum for matrices with rows/columns filled with zero

2 years agoCheck that the cell is locally owned before querying the FE index
Bruno Turcksin [Wed, 14 Sep 2022 19:10:04 +0000 (19:10 +0000)]
Check that the cell is locally owned before querying the FE index

2 years agoPreconditionChebyshev: add specialization for A and P with ranges 14271/head
Peter Munch [Wed, 14 Sep 2022 09:56:16 +0000 (11:56 +0200)]
PreconditionChebyshev: add specialization for A and P with ranges

2 years agoTensorProductMatrixSymmetricSum for matrices with rows/columns filled with zero 14243/head
Peter Munch [Wed, 7 Sep 2022 09:55:57 +0000 (11:55 +0200)]
TensorProductMatrixSymmetricSum for matrices with rows/columns filled with zero

2 years agoMerge pull request #14269 from peterrum/ExcNeedsMPI_use
Bruno Turcksin [Wed, 14 Sep 2022 11:54:52 +0000 (07:54 -0400)]
Merge pull request #14269 from peterrum/ExcNeedsMPI_use

2 years agoMerge pull request #14257 from kronbichler/cleanup_bicgstab
Peter Munch [Wed, 14 Sep 2022 07:47:41 +0000 (09:47 +0200)]
Merge pull request #14257 from kronbichler/cleanup_bicgstab

Clean up implementation in SolverBicgstab

2 years agoMerge pull request #14256 from kronbichler/improve_idr
Peter Munch [Wed, 14 Sep 2022 07:47:07 +0000 (09:47 +0200)]
Merge pull request #14256 from kronbichler/improve_idr

Revise vector operations in SolverIDR to improve performance

2 years agoMerge pull request #14254 from kronbichler/vectorize_more
Peter Munch [Wed, 14 Sep 2022 07:46:16 +0000 (09:46 +0200)]
Merge pull request #14254 from kronbichler/vectorize_more

Vectorize more work in reductions of vector operations

2 years agoDataOutResample for multiple components 14258/head
Peter Munch [Mon, 12 Sep 2022 17:37:44 +0000 (19:37 +0200)]
DataOutResample for multiple components

2 years agoUse ExcNeedsMPI 14269/head
Peter Munch [Wed, 14 Sep 2022 06:38:52 +0000 (08:38 +0200)]
Use ExcNeedsMPI

2 years agoMake SolverBicgstab aware of VectorType::value_type 14257/head
Martin Kronbichler [Mon, 12 Sep 2022 20:06:01 +0000 (22:06 +0200)]
Make SolverBicgstab aware of VectorType::value_type

2 years agoClean up implementation in SolverBicgstab
Martin Kronbichler [Mon, 12 Sep 2022 15:04:05 +0000 (17:04 +0200)]
Clean up implementation in SolverBicgstab

2 years agoMerge pull request #14268 from drwells/missing-headers
Martin Kronbichler [Wed, 14 Sep 2022 05:40:18 +0000 (07:40 +0200)]
Merge pull request #14268 from drwells/missing-headers

Ensure that every header which uses numeric_limits includes limits.

2 years agoMerge pull request #14267 from peterrum/formating_footer
Peter Munch [Tue, 13 Sep 2022 20:27:01 +0000 (22:27 +0200)]
Merge pull request #14267 from peterrum/formating_footer

Fix formatting

2 years agosimplify
Timo Heister [Sat, 10 Sep 2022 14:33:16 +0000 (10:33 -0400)]
simplify

HDF5 implies MPI...

2 years agomake serial work
Timo Heister [Sat, 10 Sep 2022 14:12:45 +0000 (10:12 -0400)]
make serial work

2 years agoreorder checks
Timo Heister [Sat, 10 Sep 2022 14:12:35 +0000 (10:12 -0400)]
reorder checks

2 years agosimplify test
Timo Heister [Fri, 2 Sep 2022 19:21:23 +0000 (15:21 -0400)]
simplify test

2 years agosupport XDMF writing with empty ranks
Timo Heister [Fri, 2 Sep 2022 19:18:49 +0000 (15:18 -0400)]
support XDMF writing with empty ranks

followup to #13962 (hdf writing with no cells on rank 0)

fixes #13404


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