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Add generic regridding function to XESMF.jl #14

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Merged
navidcy merged 4 commits into from
Sep 26, 2025
Merged

Add generic regridding function to XESMF.jl #14

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c961ed7
Add generic regridding function to XESMF.jl
simone-silvestri Sep 26, 2025
70e0201
bump
simone-silvestri Sep 26, 2025
dfeb506
Merge branch 'main' into ss/regrid
navidcy Sep 26, 2025
72cb78f
add LinearAlgebra
navidcy Sep 26, 2025
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3 changes: 2 additions & 1 deletion Project.toml
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Original file line number Diff line number Diff line change
@@ -1,10 +1,11 @@
name = "XESMF"
uuid = "2e0b0046-e7a1-486f-88de-807ee8ffabe5"
authors = ["NumericalEarth and contributors"]
version = "0.1.2"
version = "0.1.3"

[deps]
CondaPkg = "992eb4ea-22a4-4c89-a5bb-47a3300528ab"
LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
PythonCall = "6099a3de-0909-46bc-b1f4-468b9a2dfc0d"
SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"

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11 changes: 11 additions & 0 deletions src/XESMF.jl
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Expand Up @@ -3,6 +3,7 @@ module XESMF
using CondaPkg
using PythonCall
using SparseArrays
using LinearAlgebra

struct Regridder{S, M, V1, V2}
method :: M
Expand Down Expand Up @@ -40,6 +41,16 @@ function sparse_regridder_weights(FT, regridder)
return weights
end

# Generic regridding function that does not check the dimensions of the `src` and
# `dst` arrays
function regrid!(dst::AbstractVector, regridder::Regridder, src::AbstractVector)
regridder.src_temp .= src
LinearAlgebra.mul!(regridder.dst_temp, regridder.weights, regridder.src_temp)
dst .= regridder.dst_temp

return dst
end

sparse_regridder_weights(regridder) = sparse_regridder_weights(Float64, regridder)

"""
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