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Remove old code for z-index sort #3

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merged 2 commits into from
May 8, 2024
Merged

Remove old code for z-index sort #3

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77010b6
Remove old code for z-index sort
efaulhaber May 4, 2024
3776028
Merge branch 'main' into ef/remove-z-index-sort
efaulhaber May 8, 2024
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23 changes: 0 additions & 23 deletions src/grid_nhs.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -350,29 +350,6 @@ end
return floor(Int, i)
end

# Sorting only really makes sense in longer simulations where particles
# end up very unordered.
# WARNING: This is currently unmaintained.
function z_index_sort!(coordinates, system)
(; mass, pressure, neighborhood_search) = system

perm = sortperm(eachparticle(system),
by = (i -> cell_z_index(extract_svector(coordinates, system, i),
neighborhood_search)))

permute!(mass, perm)
permute!(pressure, perm)
Base.permutecols!!(u, perm)

return nothing
end

@inline function cell_z_index(coords, neighborhood_search)
cell = cell_coords(coords, neighborhood_search.search_radius) .+ 1

return cartesian2morton(SVector(cell))
end

# Create a copy of a neighborhood search but with a different search radius
function copy_neighborhood_search(nhs::GridNeighborhoodSearch, search_radius, u)
if nhs.periodic_box === nothing
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