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TreeMesh 2D simulation with MPI crashes when a rank has no boundaries #1870

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merged 2 commits into from
Mar 15, 2024
Merged

TreeMesh 2D simulation with MPI crashes when a rank has no boundaries #1870

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738de75
reset n_boundaries_per_direction
benegee Mar 12, 2024
4a94af4
Merge branch 'main' into bg/fix-init-boundaries-for-0-boundaries
benegee Mar 15, 2024
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2 changes: 2 additions & 0 deletions src/solvers/dgsem_tree/containers_2d.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -421,6 +421,8 @@ end
function init_boundaries!(boundaries, elements, mesh::TreeMesh2D)
# Exit early if there are no boundaries to initialize
if nboundaries(boundaries) == 0
# In this case n_boundaries_per_direction still needs to be reset!
boundaries.n_boundaries_per_direction = SVector(0, 0, 0, 0)
return nothing
end
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